• US2073375A - Lamp base : en
  • USRE20288E - Electric cooking device : en
  • US2072912A - Load indicating system : en
  • US2073056A - Curved stereotype printing plate : en
  • AT148768B - Container lock. : de en
  • AT148803B - Method for the production of inlet openings in insertion tubes made of soft rubber for medical purposes. : de en
  • CA364558A - Aerial trailer : en fr
  • US2073271A - Manufacture of artificial silk and the like : en
  • US2073240A - Stove : en
  • US2072990A - Compressor : en
  • FR809808A - Machine for pulping parts of fibrous plants : en fr
  • GB462449A - Improvements in or relating to sheet feed devices : en
  • US2073308A - Printing die and retaining means therefor : en
  • US2073527A - Circuit and apparatus for operating electric discharge lamps : en
  • US2073535A - Safety base receptacle : en
  • AU105835B2 - Improvements in or relating to devices comprising an electric discharge tube : en
  • FR809814A - Packaging system allowing the transport, sale and distribution of granulated and powdery products, without decanting the contents : en fr
  • AT148837B - Turbo torque converter. : de en
  • AU100338B2 - Improvements in or relating to electron discharge devices and holders therefor : en
  • DE642545C - Two-stroke internal combustion engine with reverse slot scavenging : de en
  • AU100382B2 - Refractories : en
  • US2072996A - Railway hopper car : en
  • US2073492A - Ore flotation : en
  • FR809647A - Attachment of straps for wristwatches : en fr
  • CA364686A - Telephone directory unit and secretary : en fr
  • AT148949B - Fire chamber for electrical switches. : de en
  • AU100381B2 - Soluble silicate binders and products made therewith : en
  • GB462568A - An improved licence holder or the like for motor vehicles : en
  • GB462673A - A new or improved inclination indicating device : en
  • DE642714C - Device for pressing in a groove along the lower collar of a rigid or semi-rigid stand-up collar : de en
  • GB462477A - Improvements in rubber stamps : en
  • GB462607A - Improvements in and relating to tobacco pipes : en
  • AU71536A - Elimination of radiation inthe case of superhet receivers : en
  • US2072859A - Wall scraper : en
  • CA364583A - Motor fuel stabilization : en fr
  • AT148772B - Ornamental item. : de en
  • CA364596A - Hearse : en fr
  • FR809681A - Photographic equipment, halo-free, for recordings which are detected by means of a photocell : en fr
  • AT148754B - Container with a circular or elliptical cross-section that can be closed by folding its upper part. : de en
  • AU100430B2 - Methods of coating surfaces with powdered materials : en
  • AU69536A - Improvements in or relating to the preparation of pigments for enamels, lacquers, inks and the like : en
  • US2073139A - Apparatus for treating steam heating systems : en
  • US2073256A - Solutions of organic chlorine compounds : en
  • FR809980A - Reading game : en fr
  • GR6356B - SPECIAL RHYTHM ON PHOTOGRAPHIC FONDS, THROUGH WHICH NEW TYPES OF PHOTOGRAPHS ACHIEVE IN PHOTOGRAPHY. : el en
  • US2073334A - Protected metal article and method of making the same : en
  • USRE20283E - Propeller : en
  • US2073000A - Trisazodyestuffs : en
  • FR809782A - Carburetor for liquid fuel : en fr
  • US2073020A - Method of improving the physical and mechanical properties of alloys : en
  • US2072948A - Spray coating machine : en
  • US2073069A - Embalming drainage tube : en
  • US2073193A - Flexible tube closure : en
  • USD103490S - Design for a flexible pocket : en
  • FR809819A - Process for the preparation of tertiary alcohols of the cyclopentanopolyhydrophenanthrenic series : en fr
  • AT148822B - Friction wheel lighter. : de en
  • US2073213A - Stoker : en
  • US2073219A - Fur cutting machine : en
  • GB462629A - Manufacture of dyestuffs : en
  • US2073405A - Liquid meter : en
  • USD103526S - Design for a net fabric or similar : en
  • US2073412A - Device for recording sound originating in the human body : en
  • US2073090A - Ice container : en
  • USD103547S - Design for a glove : en
  • US2072907A - Concentration of ores by electromagnetic separation : en
  • GB462470A - Improvements in and relating to electric discharge lamps : en
  • GB462550A - Improvements in or relating to television transmission systems comprising cathode ray tubes : en
  • FR809670A - Conveyor device : en fr
  • FR809858A - Wet grain separator : en fr
  • DE642518C - Process for the production of higher aliphatic alcohols : de en
  • AT148905B - Ejector. : de en
  • FR809605A - Adjusting device and line puller, adaptable to typewriters : en fr
  • GB462396A - Improvements in or relating to brush-filling machines : en
  • GB462662A - Improvements in or relating to knitting machines : en
  • DK52789C - Electrode system with asymmetric conductivity. : da en
  • FR809985A - Method and device for remote control at the correct instant, in particular in remote control installations using superimposed currents : en fr
  • FR809683A - Machine for the automatic sale of coffee : en fr
  • US2073097A - Slice spacer : en
  • GB462618A - Improvements in or connected with domestic washing machines : en
  • DE642554C - Cooling device for glass converters, in particular mercury vapor glass rectifiers, with a back-cooling system for the coolant supplied to the converter, placed in the path of the cooling air flow : de en
  • FR809649A - Boring device, especially applicable to precision boring benches : en fr
  • FR809742A - Improvements to valves for tires fitted with a deflation warning signal : en fr
  • FR809968A - Compensated expansion piston, slide, or gusset and molding process : en fr
  • DE642641C - Device for transferring pieces of dough onto a long rolling conveyor belt : de en
  • US2072900A - Shoe : en
  • GB462582A - Improvements in or relating to lightning conductors and revolving weather vanes : en
  • AU113036A - Stock feeder : en
  • CA364578A - Gaseous electric discharge arc lamp : en fr
  • US2073556A - Air cooler : en
  • US2073488A - Knitting machine : en
  • US2072901A - Manufacture of synthetic resins : en
  • US2072904A - Polymerization of organic compounds : en
  • FR809913A - Manufacturing process of cast permanent magnets : en fr
  • FR809915A - Device and shutter element for plugging holes in flexible conduits and in particular in canvas, leather or rubber handles : en fr
  • GB462725A - Improvements in or relating to electrical resistances : en
  • FR809844A - Process and product for the delignification of cellulose : en fr
  • US2073421A - Rule : en
  • US2073130A - Tile construction : en
  • US2073283A - Method for continuous wire drawing and annealing : en
  • US2073508A - Telephone system : en
  • US2072847A - Method of manufacturing radially corrugated disks : en
  • FR809686A - Automatic dispenser with overlapping compartments : en fr
  • FR809768A - Process for the extraction of heavy oils from hydrocarbons using selective solvents : en fr
  • GB462447A - Improvements in high frequency electric oscillators : en
  • FR809680A - Reeling profession : en fr
  • AT148851B - Procedure for extinguishing the arcing interruption in circuit breakers. : de en
  • DK52785C - Procedure for chemical treatment of positive accumulator plates. : da en
  • DK52853C - Adjustment mechanism for tillage machines. : da en
  • FR810019A - Improvements to concentric conductors : en fr
  • DE642623C - Method for only partially filling small portable bottles in particular with a liquefied gas under pressure : de en
  • US2072949A - Buckle : en
  • US2073321A - Display device : en
  • US2073342A - Conversion process : en
  • FR809709A - Vulcanizing plant for endless rubber products, in particular endless wedge belts : en fr
  • FR809667A - Balanced valve for pressurized fluid distributors : en fr
  • GB462681A - Manufacture of sulphonic acids of 5-hydroxy-acenaphthene : en
  • DE642725C - Arrangement for limiting the temperature in electrically heated devices : de en
  • US2073259A - Electric soldering iron : en
  • US2073030A - Guy clamp holder : en
  • US2073399A - Brake lining tightener : en
  • US2072895A - Production of concentrated maple flavor : en
  • US2073141A - Direction indicating switch : en
  • FR809898A - Improvements to refrigeration processes and devices : en fr
  • FR809807A - Improvements in the fabrication of short distance portions in dual power lenses and resulting products : en fr
  • GB462451A - Improvements in electric discharge tubes : en
  • GB462450A - Improvements relating to electric batteries : en
  • FR809886A - Electric switch : en fr
  • GB462609A - Improvements in and relating to means for removing cuttings and sludge from engine cylinders during boring or re-boring : en
  • GB462626A - Improvements in and relating to the amalgamation method of recovering gold and other metals : en
  • GB462522A - X-ray apparatus for crystal analysis : en
  • GB462720A - Manufacture of quaternary ammonium compounds : en
  • US2073221A - Apparatus for cooling bakery products : en
  • US2073372A - Fluid meter for gas administering machines : en
  • GB462423A - Improvements in and relating to variable electric condensers : en
  • FR809724A - A flexible pipe : en fr
  • US2073253A - Process of intimately mixing sulphuric acid and lubricating oil stock : en
  • US2073423A - Drying and seasoning wood and analogous vegetable materials : en
  • US2072854A - Fuse box and fuse : en
  • US2073180A - Counteracting shock absorber : en
  • GB462527A - Improvements in and relating to mercury and like conducting liquid switches : en
  • US2073039A - Flue-gas washing and purification : en
  • BE420430A - Device for controlling the drive axles of vehicles with electric motors : en fr
  • CA364586A - Track brake : en fr
  • DE642734C - Rotary piston internal combustion engine : de en
  • FR809627A - Improvements made to elastic masts, more specifically for aircraft landing gear : en fr
  • GB462668A - Methods and apparatus for regulating free piston gas compressors : en
  • FR809828A - Protection device for communication routes against snow accumulation : en fr
  • FR809790A - Oil cooler for liquid cooled aircraft engines : en fr
  • GB462325A - A new or improved feed-regulating device for canning machinery and the like : en
  • GB462579A - Improvements in electrode systems for rectifying and controlling high and medium frequency electrical oscillations : en
  • GB462747A - Improvements in hydraulic shock dampers : en
  • AU280936A - Improvements in luminous electric discharge lamps : en
  • US2072961A - Silencer : en
  • USD103489S - Design for an instrument case : en
  • US2072902A - Manufacture of compositions of matter containing synthetic resins : en
  • US2072946A - Harmonic analyzer : en
  • DE642746C - Rail current switch : de en
  • FR809726A - Packaging for shipping fragile food products that can easily spoil, especially eggs : en fr
  • FR809766A - Warning device : en fr
  • FR809906A - Coin sorter device : en fr
  • GB462441A - Improvements in and relating to turbine installations : en
  • GB462620A - Improvements in or relating to electric light fittings : en
  • DE642634C - Process for the treatment of substances containing high amounts of water and oil, in particular whale meat : de en
  • DE642718C - Process for the preparation of heterocyclic compounds : de en
  • GB462452A - Improvements in and relating to the ventilation of closed spaces : en
  • GB462820A - Improvements in the manufacture of dyes : en
  • DE642679C - Multi-phase mains coupling transformer with adjustable voltage both in terms of size and phase position, the windings of which are tapped at one end of the winding for each phase : de en
  • US2072858A - Production of colorations on materials : en
  • US2073217A - Bicycle lock : en
  • USD103531S - Design for a bracket-light : en
  • DE642640C - Device for transferring pieces of dough onto a long rolling conveyor belt : de en
  • GB462421A - Closure for collapsible tubes : en
  • AT148836B - Frame for motor vehicles or the like. : de en
  • AT148848B - Single or multi-phase high current line. : de en
  • AT148916B - Process for binding residual gases in electric light bulbs. : de en
  • US2073176A - Refrigerating apparatus and method : en
  • US2073276A - System for supplying volatile fuels to engines : en
  • US2073290A - Fluid pressure veneer press : en
  • US2073294A - Hose clamp : en
  • DE642607C - Stuffing box packing, especially for high pressure hot steam valves u. like : de en
  • FR809699A - Loose-leaf binder stand : en fr
  • GB462659A - Improvements in the manufacture and production of vat dyestuffs of the dibenzanthrone series : en
  • US2073133A - Starter control : en
  • US2073279A - Collapsible drill bit : en
  • US2073582A - Reflector for electric heaters : en
  • US2073002A - Cellulose ether recovery : en
  • FR809855A - Vehicle seat : en fr
  • GB462645A - Improvements in or relating to mats for use in connection with drinking and like vessels : en
  • AT148788B - Procedure for the preparation of preparations of the adrenal cortex. : de en
  • CA364609A - Storage battery : en fr
  • CA364600A - Ticket printing machine : en fr
  • CA364601A - Brake drum : en fr
  • US2073114A - Golf-bag carrying car : en
  • US2073365A - Gauge : en
  • AT148857B - Skill slot machine. : de en
  • IE14785L - Paper coating machine : en
  • AT148797B - Switching device for electromotive scale adjustment. : de en
  • CA364620A - Cabriolet : en fr
  • CA364599A - Scale : en fr
  • GB462483A - Improved gun mountings for aircraft : en
  • GB462547A - Improvements in current supply arrangements for operating electromagnetic relays : en
  • DK52807C - Cartridge delivery mechanism for automatic firearms. : da en
  • US2072928A - Manufacture of artificial materials : en
  • US2073148A - Flotation of minerals : en
  • US2073576A - Apparatus for cleaning cellular radiators : en
  • DE642304C - Process for the production of water-insoluble azo dyes : de en
  • CA364633A - Brake drum : en fr
  • DE642648C - Ultra-short wave tubes : de en
  • AU75936A - Portable starting stalls for racetracks : en
  • US2073037A - Fastener : en
  • US2073543A - Shoe construction : en
  • DE642540C - Steering system for ships, especially seagoing ships : de en
  • FR809853A - Winding machine improvements : en fr
  • CA364673A - Motor vehicle heater : en fr
  • US2072890A - Spring cushion : en
  • FR809666A - Improvements in retractable landing gear for airplanes, and similar applications : en fr
  • US2073411A - Process of producing thin egg white : en
  • US2073540A - Agitator for washing machines : en
  • US2073436A - Revolver clip : en
  • US2073154A - Metal stamping device : en
  • DE642651C - Device for continuously heating a combustible gas containing hydrocarbons to a temperature sufficient to crack hydrocarbons : de en
  • FR809813A - Oil burner heater : en fr
  • GB462417A - Book marker : en
  • US2072903A - Treatment of milk products : en
  • US2072846A - Slicing machine : en
  • US2072936A - Rotary machine : en
  • DE642606C - Slotted piston ring with a groove provided in the inner surface area of the piston ring and a spring arranged in the groove that expands the ring : de en
  • FR809789A - Shaft coupling with possibility of reversing the direction of transmission : en fr
  • FR809903A - Improvements in suction nozzles for devices for vacuum cleaning : en fr
  • FR809851A - Improvements to components for winding threads, wicks, ribbons or the like and in particular to spools, spools, bobbins or the like : en fr
  • DE642629C - Current transformer with a one-piece, preferably ceramic, insulating body, which is open on one side and penetrates, serves to accommodate the secondary winding and the iron core and is wrapped by the conductor : de en
  • AT148809B - Process for the production of tablets which disintegrate easily in water. : de en
  • GB462508A - Improvement in paper manufacture : en
  • US2073254A - Method and mold for casting glass : en
  • US2072921A - Fluid pressure control apparatus : en
  • GB462657A - Improvements in belt conveyors specially applicable to conveyors for granular material : en
  • GB462587A - Improvements in overload clutches : en
  • US2073536A - Signal device for vehicles : en
  • USRE20286E - Filter and dirt disposal for : en
  • GB462602A - Improvements in or relating to sliding friction bearings : en
  • USD103554S - Design fob a clock-case : en
  • FR809756A - Apparatus for automatically distributing water from a main channel to two or more secondary channels : en fr
  • US2073316A - Para-tertiary-octyl-nitrophenols : en
  • US2073336A - Radio ground counterpoise : en
  • USD103497S - Design for a shoe : en
  • FR809827A - Hydraulic or pneumatic control installation : en fr
  • FR809884A - Process for the preparation of ether-phosphoric salts of flavins : en fr
  • FR809678A - Centrifugal force switch, especially for centrifugal force starters : en fr
  • FR809730A - Metal vapor discharge device : en fr
  • US2073101A - Rotary prime mover : en
  • GB462674A - Manufacture of water-insoluble azo-dyestuffs : en
  • DE642610C - Device for the generation of tones of different frequencies and loudness by means of two oscillation circles brought to mutual interference : de en
  • DE642611C - Thread retaining link on the fabric presser of sewing machines : de en
  • GB462600A - Improvements in and relating to cathode ray tubes : en
  • GB462586A - Improvements in means for affixing flags on smooth surfaces such as parts of motor vehicles : en
  • IE14464L - Therapeutically active substances : en
  • FR810022A - Improvements to air circulation devices : en fr
  • US2073199A - Centrifugal casting : en
  • US2073593A - Rotary hook sewing machine : en
  • FR809727A - Jet for spreading liquids on plants, more particularly for insecticide and anticryptogamic treatments : en fr
  • DK52795C - Ajlnedfælder. : da en
  • FR809693A - Handle for packages : en fr
  • FR810047A - Bed base-mattress-bolster made of a single piece : en fr
  • US2073587A - Telephone system : en
  • DE642676C - Spring coupling between drive gear and drive wheel in rail vehicles : de en
  • FR809751A - Process for the production of pigments containing zinc sulphide : en fr
  • FR809951A - Guillotine window : en fr
  • GB462712A - Manufacture of cellulose derivatives and of artificial filaments, films and other shaped structures therefrom : en
  • US2072980A - Manufacture of granular calcium phosphates : en
  • DE642535C - Block welding torch : de en
  • DE642386C - Device for extinguishing alternating current interruption arcs, in particular in switches and fuses : de en
  • FR809866A - Internal combustion engine cooling system : en fr
  • GB462574A - Improvements in or relating to cartons and like containers of paper, pasteboard, or the like : en
  • GB462333A - Improvements in or relating to carburettors : en
  • US2073110A - Air conditioning apparatus : en
  • GB462728A - Improvements in the manufacture of wire-tied double concrete building blocks : en
  • DE642670C - Rubber heel and rubber sole : de en
  • GB462414A - Improved burner for heavy oil : en
  • DE642573C - Device for regulating the heating output of electric heating systems, in which the grid circle of the power converters feeding the systems is influenced : de en
  • GB462434A - Waterproof cape for cyclists and outdoor use : en
  • GB462610A - Improvements in prepayment meters for electricity, gas, and the like commodities : en
  • DE642628C - Arrangement for starting a synchronous machine working in parallel with an inverter on a consumer network, which has a second armature winding to which the active power to be emitted as a generator is fed by a second inverter : de en
  • DK52787C - Combined cover and lamp socket for built-in electrical junction boxes. : da en
  • US2073168A - Valve : en
  • US2073172A - Holder : en
  • US2073024A - Door stop : en
  • US2073251A - Voltmeter arrangement : en
  • US2073387A - Art of making colored slides and the like : en
  • GB462337A - Manufacture of 2:6-dimethylnapththalene-7-sulphonic acid : en
  • GB462554A - Improvements in and relating to the production of ferroprussiate printing papers : en
  • DE642418C - Flat weft knitting machine with a jacquard pattern device consisting of individually movable press pattern and cover pattern sinkers : de en
  • FR809737A - Improvements to taps : en fr
  • FR809885A - Coating containing drying oil and its manufacturing process : en fr
  • GB462649A - Improvements in sliding friction bearings : en
  • US2073298A - Gas carbureting apparatus : en
  • US2073354A - Recovery of hormones : en
  • US2073592A - Leather drying : en
  • DE642618C - Device for foam generation for facilities for the clarification of waste water after the foam swimming process : de en
  • GB462497A - Improvements in miniature upright pianos : en
  • DK52780C - Method with associated drum for machining concrete roads. : da en
  • DE642539C - Coupling to reduce pendulum movements for trailers of motor vehicles : de en
  • GB462713A - Manufacture of cellulose derivatives and of artificial filaments, films and other shaped structures therefrom : en
  • AT148767B - Liquid fuel burner with rotating pressure oil nozzle. : de en
  • DE642555C - X-ray apparatus with radial transformer : de en
  • USD103536S - Design for a combined traffic offi : en
  • FR809675A - Process for preparing higher molecular weight value organic compounds from lower molecular weight unsaturated organic compounds : en fr
  • GB462472A - Service tray : en
  • FR810039A - Method of representing in plan a locating wave directed towards a mobile goal : en fr
  • US2073014A - Rotary pump : en
  • US2073456A - Method for treating crude oil : en
  • US2073515A - Alloy : en
  • US2073519A - Arc extinguishing insulator : en
  • USD103538S - Design for a candelabra or similar : en
  • DE642702C - Process for the production of bars serving as machine elements with attached ball heads : de en
  • DK52802C - Method and Apparatus for Removing Caffeine from Caffeinated Extracts. : da en
  • FR809713A - Improvements in cycle construction : en fr
  • FR809829A - Pneumatic or hydraulic control device, remote or not, and its applications : en fr
  • FR809622A - Protective clip for hair waving : en fr
  • AU100426B2 - Improvements in and relating tothe tempering of sheets or articles of glass : en
  • USD103521S - Design for a spoon or other article : en
  • FR810042A - Maneuvering device to be actuated, either automatically or arbitrarily, for gearboxes of motor cars with freewheel mechanism : en fr
  • US2072938A - Dispenser : en
  • DE642562C - Process for the stabilization of polymerization products of halogen-containing butadienes : de en
  • FR810014A - Improvements to the process of grinding a surface of revolution of a workpiece and machine for implementing this process : en fr
  • FR809733A - Sophisticated faucet : en fr
  • FR809938A - Shoe care support : en fr
  • US2072957A - Electron tube : en
  • US2073261A - Coin selector : en
  • US2073366A - Thin runproof garter hook : en
  • FR809911A - Device preventing all kinds of receptacles from being filled after having emptied them of their original contents : en fr
  • AT148861B - Process for the production of a spice preparation. : de en
  • GB462446A - Improvements in or relating to air cooled suspended furnace roofs : en
  • FR809800A - New armored electric cable and manufacturing process : en fr
  • US2073205A - Dice agitator : en
  • DE631841C - Core support : de en
  • GB462397A - Improvements in or relating to loudspeakers : en
  • GB462431A - An improved concrete pipe moulding machine : en
  • GB462567A - Improvements in magnetos : en
  • DE642646C - Refrigerator loaded with dry ice : de en
  • FR809783A - Capacitor armatures manufacturing process : en fr
  • FR809669A - Electric kitchen appliance : en fr
  • AT148792B - Modulation method. : de en
  • AT148830B - Casting muffle for precious metal melting insert. : de en
  • AU40236A - Improvements in telephone systems and automatic switches for use therein : en
  • US2073560A - Attachment for hosiery knitting machines : en
  • US2073417A - Selective control device : en
  • DE642626C - Device for adjusting the ignition point in grid-controlled gas or vapor discharge sections using a saturated transformer and two control components with a fixed phase position and variable amplitude : de en
  • US2073517A - Solvent fractionation of gasoline : en
  • FR809614A - Process for preventing the formation of pustules on alloys based on iron and aluminum, possibly with chromium, and for increasing the resistance of these alloys to the action of heat : en fr
  • FR809722A - Manufacturing process of synthetic resin films : en fr
  • FR809732A - Improved Paracoumarone Resin and Rubber Compositions and Process for Their Manufacture : en fr
  • FR809741A - Improvements to automatic feeders for locomotives : en fr
  • AT148910B - Centrifugal oiler. : de en
  • AT148928B - Circuit arrangement for recording telephone messages at the called subscriber. : de en
  • AU100408B2 - An improved operating table for use when surgically and/ or otherwise treating sheep : en
  • CA364574A - Electric incandescent lamp : en fr
  • AT148889B - Device for attaching stereotype plates to form cylinders. : de en
  • GB462330A - Improvements in or relating to television picture reproducing apparatus : en
  • GB462666A - Device for converting a rotating motion into a rectilinear reciprocating motion and for producing combined reciprocating and rotary motion : en
  • GB462512A - Method of preparing bast fibres for spinning : en
  • GB462603A - Improvements in or relating to sliding friction bearings : en
  • AT148771B - Device for regulating film movement in recording, reproducing or copying apparatus for sound recordings. : de en
  • US2072988A - Shockproof container wagon : en
  • US2073201A - Method of diathermic treatment by means of high frequency : en
  • FR809910A - Fuel saving shutter : en fr
  • FR809601A - Improvements to electric ceiling fans : en fr
  • GB462636A - Improvements in bands for use in shaping or forming rods in machines for manufacturing cigarettes or filter plugs or wads : en
  • FR809804A - Television receiver : en fr
  • GB462726A - Improvements in or relating to the production of flexible compound sheet material : en
  • US2072950A - Method of and apparatus for electrically exploring earth formations : en
  • US2072968A - Phonograph pick-up circuit : en
  • FR809862A - Unloading and loading device, for machines or devices conveying bottles, flasks, cans, and other containers, on chains : en fr
  • GB462504A - Safety devices for sash type windows : en
  • DE641212C - Device for shredding tobacco leaves : de en
  • DE642728C - Process for tanning hides and skins using iron compounds : de en
  • GB462424A - Method and apparatus for examining yarn or thread : en
  • AT148845B - Crucibles for ointments and pasty products. : de en
  • AT148937B - Method for applying luminescent substances to support bodies made of glass or the like. : de en
  • GB462670A - Improvements in and relating to parachutes : en
  • AT148865B - Device on looms for the production of warp pile fabrics. : de en
  • FR809739A - Cutting press chopping block and its manufacturing method : en fr
  • US2073518A - Hydraulic machine tool : en
  • DE642726C - Process for the preparation of anthraquinone dyes : de en
  • FR809689A - Device for flow control device in an electrical circuit : en fr
  • GB462578A - Improvements in electric current collecting devices having laminated contact paths : en
  • US2072865A - Process of washing fruit : en
  • US2072955A - Method of treating food for human consumption : en
  • US2073203A - Directional stabilizing apparatus for aerial or marine craft : en
  • US2073274A - Shingle : en
  • GB462425A - Improvements relating to pipe couplings : en
  • FR810035A - Improvements to processes for removing latent abrasion marks from photographic emulsions : en fr
  • GB462575A - Manufacture of disc tools with accurately-formed annular ridges and grooves : en
  • GB462633A - Improvements in or relating to buoyant body attachments : en
  • DE642544C - Installation circuit breaker in socket form : de en
  • US2073330A - Switching apparatus : en
  • US2073554A - Automatic circular knitting machine : en
  • CA364675A - Mattress : en fr
  • USD103520S - Design for a bottle : en
  • FR809950A - Improvements to friction materials, and process for their manufacture : en fr
  • GB462323A - Improvements in or relating to radio receivers : en
  • AU100376B2 - Improvements in or relating to superheterodyne receiving circuit arrangements : en
  • FR809803A - Electric generator : en fr
  • US2072850A - Lightning arrester and method for making the same : en
  • USD103511S - Design foe a textile fabric : en
  • CA364640A - Vehicle stabilizing means : en fr
  • CA364637A - Combine reel : en fr
  • DE642546C - Gate valve : de en
  • AT148816B - High-frequency cables with tubular conductors or shields. : de en
  • GB462442A - Improvements in and relating to electric contacts : en
  • GR6365B - SPECIAL MEDICINE AGAINST KOKKYTOS. : el en
  • US2073068A - Illuminated sign : en
  • USD103509S - Design for a textile fabric : en
  • US2073120A - Container : en
  • FR809825A - Process and devices for draining or transferring liquids on board air navigation devices : en fr
  • GB462432A - Improvements in or relating to stocking suspender clips : en
  • US2072933A - Game apparatus : en
  • US2072945A - Amplifier circuit : en
  • US2073328A - Golf tee and magazine therefor : en
  • US2073265A - Coffee making apparatus : en
  • US2073545A - Marine structure : en
  • US2073058A - Vehicle : en
  • AT148931B - Toggle switch as current limiter with trip-free release. : de en
  • CA364585A - Gasket : en fr
  • FR809750A - Grid bar for boilers : en fr
  • GB462546A - Apparatus for playing a table game : en
  • AT148914B - Device for displaying the wear on axle bearings. : de en
  • US2073516A - Refrigerating system : en
  • US2073381A - Laundry identification : en
  • US2073462A - Terminating system for shielded circuits : en
  • FR809611A - Improvements to gas discharge lamps : en fr
  • FR809873A - Locking device particularly applicable to ham presses : en fr
  • CA364667A - Diving device : en fr
  • AT148869B - Weir with movable weir attachment. : de en
  • US2072962A - Radio system : en
  • US2073578A - Method of refining hydrocarbon distillates : en
  • USRE20289E - Flower exhibiting device : en
  • US2073269A - Antijackknife fifth wheel : en
  • US2072941A - Theft prevention system : en
  • USD103495S - Design for a bottle : en
  • FR809640A - Capacitor manufacturing process : en fr
  • AT148755B - Device for drawing off liquids, gas or air from containers. : de en
  • CA364579A - Acoustical building construction : en fr
  • AU100438B2 - Apparatus for fastening an attachment loop to an article such as a sanitary napkin : en
  • AT148843B - Double-walled container. : de en
  • US2073479A - Advertising display sign : en
  • US2073523A - Time control for repositories : en
  • GB462531A - Improved method of and apparatus for decomposing ammonia : en
  • AT148897B - Process for the production or maintenance of a constant liquid or gas pressure. : de en
  • CA364677A - Incense : en fr
  • US2072934A - Dispensing bowl : en
  • AU306136A - Apparatus for fastening an attachment loop to an article such as a sanitary napkin : en
  • AU100398B2 - Improvements in or relating to electric signalling systems : en
  • CA364603A - Chain link blank cutting method : en fr
  • FR809677A - Liquid sprayer : en fr
  • GB462494A - Improvements in and relating to the production of substances in the colloidal state : en
  • GB462684A - Improvements in or relating to television and like apparatus : en
  • AT148769B - Advertising device with long and thin bands of helical shape made of any material and twisted on one side about its longitudinal axis. : de en
  • AT148894B - Driver for steering devices of vehicles, in particular motor vehicles. : de en
  • GB462521A - Improvements in doors for buildings : en
  • DE642548C - Airplane with rigid chassis struts extended into the fuselage : de en
  • AT148844B - Vacuum discharge apparatus with liquid-cooled, metal vacuum vessel, e.g. B. Mercury Vapor Rectifier. : de en
  • AU242136A - Improvements relating to telephone instrument circuits : en
  • DE642753C - Preservation of green fodder : de en
  • USD103548S - Design for a glove : en
  • AU100390B2 - Composition sheet material for packing andother purposes made from paper materials : en
  • FR809824A - Development of high frequency electric current generators : en fr
  • CA364688A - Hydraulic tappet : en fr
  • AT148823B - Hand-operated bread roll lubricator. : de en
  • AU100440B2 - Improvements in television receivers : en
  • CA364627A - Thermo-plastic film : en fr
  • GB462491A - An improvement in electrical measuring instruments, more especially standard meters : en
  • AT148811B - Pencil sharpener. : de en
  • CA364556A - Gas burner : en fr
  • GB462606A - Improvements in or relating to gas-fired kilns : en
  • GB462612A - Electrical cooking apparatus : en
  • AT148774B - Sports boots, especially for cross-country skiing. : de en
  • FR809869A - Breast shower device : en fr
  • FR809977A - Method for increasing the wrinkle resistance of cellulosic fiber textiles : en fr
  • DE642362C - Process for the production of mixed fertilizers : de en
  • DE642602C - Fuel gasification device for mixture-compressing internal combustion engines : de en
  • DE642682C - Chucks for machine tools, especially turning machines : de en
  • US2073317A - Permanent hair waving apparatus : en
  • GB462595A - Improvements in or relating to force feed lubricators : en
  • GB462653A - Process of preparing a food product : en
  • GB462340A - Improvements in or relating to slicing machines : en
  • FR809641A - Trifluoromethyl-aryl-sulfonic acids and process for their preparation : en fr
  • GB462332A - Improvements in refractometers : en
  • CA364678A - Adjustable oarlock sleeve : en fr
  • US2073432A - Machine for manufacturing packages : en
  • DE642561C - Paper filter for vacuum cleaner u. like : de en
  • GB462327A - Improvements in metal cutting machines for copying or reproducing : en
  • FR809817A - Method and apparatus for making yogurt and similar products : en fr
  • FR809952A - Welding improvements : en fr
  • GB462328A - Improvements in or relating to radio and like modulated carrier wave tunable receivers : en
  • GB462644A - Improvements in or relating to pistons : en
  • US2073218A - Muffler : en
  • CA364657A - Tape coil winder : en fr
  • US2073428A - Electric high-tension apparatus, particularly for medical purposes : en
  • GB462565A - Manufacture of polyoxy-carboxylic acids or their salts : en
  • FR810038A - Combing machine refinements : en fr
  • US2073102A - Circuit breaker : en
  • US2073467A - Method of making welding nuts : en
  • FR809845A - Belt shells : en fr
  • FR809963A - Multi-propeller helicopter : en fr
  • GR6349B - PERFECTIONS OF THE COOLING WATER PUMP OF THE "PAVEZI" RECOGNITION CAR ENGINE. : el en
  • GB462523A - Improvements in or relating to the cutting of paper webs : en
  • GB462622A - Improvements in road vehicles : en
  • CA364647A - Optical system : en fr
  • US2072883A - Enameled metal wall construction : en
  • USD103483S - Design fob a buckle : en
  • DE563104C - Electric roadside contact device for activating signals at courtyard exits or unclear crossroads with responsive contact when driving over in only one direction : de en
  • DE642596C - Liquid fuel heater : de en
  • US2073343A - Wireworking machine : en
  • GB462319A - Improvements in or relating to the manufacture of paraformaldehyde : en
  • GB462482A - Improvements relating to fastening devices for engine cowlings, inspection covers, and like purposes : en
  • US2073312A - Fire escape : en
  • DE642686C - Extraction device for coal or the like. : de en
  • DE642730C - Peeling machine for potatoes, fruit, etc. like : de en
  • DE642765C - Process for the production of azo dyes : de en
  • DK52804C - Method and Machine for Making Capsule Inserts with Protective Disc. : da en
  • DE642727C - Countercurrent recuperator : de en
  • US2073106A - Refrigerating apparatus : en
  • FR809712A - Process for obtaining lace with fancy threads on the bobbin loom : en fr
  • US2073019A - Process for the purification of metals and metallic alloys : en
  • US2073232A - Coat : en
  • GB462596A - Improvements in moulding pastry and other plastic substances : en
  • FR810002A - Improvements to document edging machines : en fr
  • GB462392A - Improvements in and relating to water softeners : en
  • GB462588A - Impact crushers : en
  • FR809703A - Over-current and over-voltage protection device : en fr
  • US2072849A - Searchlight with ellipsoid mirror : en
  • FR809917A - Method of starting internal combustion engines by means of cartridges producing pressurized gases : en fr
  • GB462342A - Improvements relating to loom shuttles : en
  • GB462648A - Apparatus for intestinal baths : en
  • FR809625A - Bowl-shaped cooking grate : en fr
  • GB462440A - Improvements in or relating to methods of rendering glass resistant to metal-vapours : en
  • FR809958A - Transom frame operating mechanism with progressive displacement and automatic stop : en fr
  • US2073497A - Spring suspension for a baby carriage body : en
  • US2073510A - Tire spreader : en
  • FR809706A - Improvements to devices for aerating liquids or for dispersing gases or vapors in liquids : en fr
  • GR6361B - IMPROVEMENTS IN THE MANUFACTURE OF COAL FIREPLACES. : el en
  • DE642558C - Process for the preparation of monoazo dyes : de en
  • FR809941A - Electric trap for insect destruction : en fr
  • FR810004A - Improvements to vehicle wheels : en fr
  • GR6354B - WOMEN'S HANGING WITH REINFORCED SECTIONS ON THE DIPLOMA (REVER) AND AT THE POINTS OF ADJUSTMENT OF THE SOCKS. : el en
  • DE642632C - Speed change transmission : de en
  • US2073374A - Method of making belt lacer joining pins : en
  • FR809682A - Butcher block : en fr
  • GB462570A - Improvements in fluid pressure devices for aircraft and other purposes : en
  • GB462669A - An improved means for supporting sign boards, valances and the like upon shop sun blinds : en
  • US2072899A - Window runway or channel : en
  • USD103491S - Design fob a grease dispensing : en
  • USD103513S - Design for a textile fabric : en
  • USD103551S - Design for a hand mirror : en
  • US2073286A - Motor overload cut-out switch : en
  • DE642754C - Gun barrel for high muzzle velocities : de en
  • FR809970A - Vertical axis dispenser for the wrapping of rolled products in ribbon form : en fr
  • FR809612A - Method of detecting moving objects in an area to be monitored : en fr
  • DE642684C - Double-sided spinning, twisting, winding or similar textile machine : de en
  • US2073386A - Damper equipment : en
  • US2073076A - Dispensing device : en
  • US2073099A - Nu-(aminoalkyl)-anthranilic acid alkyl esters and a process of preparing them : en
  • US2073198A - Vestibule closure for railway cars : en
  • AT148906B - Pressure reducing valve with main valve controlled by an auxiliary valve. : de en
  • GB462399A - Improved driving mechanism for internal combustion engines and the like : en
  • DE642571C - Monitoring device for remote-controlled, motorized and alternatively manually operated switches : de en
  • FR809839A - Horseshoe anti-slip device : en fr
  • US2073138A - Heat insulating material : en
  • AT148777B - Method and device for determining tongue breaks, leaks or the like in chimneys. : de en
  • AT148870B - Box closure, especially in large garages. : de en
  • DE642593C - Tree regulators, especially for warp knitting machines : de en
  • DE642526C - Process for the production of town gas from gases containing hydrocarbons : de en
  • DE642527C - Stretcher : de en
  • DE642631C - Electrically heated cooking device : de en
  • US2072880A - Flotation apparatus : en
  • US2073164A - Oil engine : en
  • CA364652A - Stem making apparatus : en fr
  • AT148782B - Automatic adjustment device for radio devices. : de en
  • US2072937A - Electrical measuring means : en
  • US2073260A - Coin selector : en
  • GB462711A - Improvements relating to ink distribution in printing machines : en
  • US2073361A - Miniature piano : en
  • GB462404A - Improved yarn winding machine : en
  • USPP237P - schroeder : en
  • DE642638C - Aiming device for guns : de en
  • FR809889A - Automatic and continuous phonograph : en fr
  • DE642747C - Chain contact line for electric railways : de en
  • US2073349A - Car loading device : en
  • US2073385A - Oscillating poppet valve engine : en
  • GB462581A - Improvements in or relating to the preparation of glycols from oxides of olefines : en
  • US2073371A - Electrode for welding : en
  • US2072971A - Process for the manufacture of condensation products from nonaliphatic sulphamides and aldehydes : en
  • US2073304A - Printing machine negative carrier : en
  • US2073339A - Processing beans and other comestibles : en
  • USRE20285E - Direct motor drive for disk fans : en
  • FR809758A - Housing for engines, particularly for light engines, such as automobile and aircraft engines : en fr
  • GB462652A - A new or improved paper tube : en
  • DE642674C - Universal rolling mill : de en
  • DE642528C - Floor polisher with two cleaning disks which are arranged at an angle and can be swiveled against each other : de en
  • DE642720C - Rail fastening on rib shims : de en
  • GB462557A - Warming or cooling and ventilating plant for housed chicken brooders : en
  • US2072992A - Rake construction : en
  • DK52801C - Method and Shock Crusher for Crushing Materials. : da en
  • FR809799A - Construction process for floors and ceilings : en fr
  • FR809872A - Improvements to electromagnetic guns : en fr
  • CA364703A - Air conditioning device : en fr
  • US2072942A - Press : en
  • DE642654C - Friction device attachable to a meat chopper : de en
  • DE642672C - Thin-walled hollow sphere as a filling body : de en
  • GB462605A - Improvements relating to internal combustion engines using hydrogen as fuel : en
  • GR6346B - CHAROUPOMYLOS. : el en
  • AU100424B2 - Means for simultaneously determining the volume, the weight and the density of granular and other materials : en
  • CA364644A - Cam grinding machine : en fr
  • AT148751B - Motorcycle sidecar. : de en
  • CA364592A - Gas material dispenser : en fr
  • CA364610A - Fuse : en fr
  • US2073167A - Surface cleaning means : en
  • USD103533S - Design for a sandwich toaster or : en
  • US2073363A - Butadienyl compounds and processes for preparing same : en
  • US2073501A - Coloring and hardening steel : en
  • CA364591A - Metallic surface treatment by heat : en fr
  • CA364557A - Textile garment : en fr
  • AT148775B - Device for generating and using X-rays. : de en
  • CA364621A - Silencer : en fr
  • CA364580A - Degreasing apparatus : en fr
  • AU100385B2 - Improved process forthe preservation of meat bodies for export : en
  • AU140036A - Means for separating subterranean clover seed from soil andthe like : en
  • AU287236A - Refractories : en
  • AT148824B - Substructure for lathes. : de en
  • AU96036A - An improved method of and means for generating a reducing gaseous mixture : en
  • AU100410B2 - Improvements in harrow tines : en
  • US2073103A - Circuit breaker : en
  • US2073329A - Method and apparatus for making sanitary napkins or the like : en
  • AU74236A - Improvements in and connected with floating bridges : en
  • US2072922A - Pencil : en
  • US2073162A - Computing scale : en
  • US2073313A - Method and apparatus for ornamenting curved surfaces : en
  • AT148935B - Automatic control device for two alternators working on a common battery. : de en
  • DE642524C - Arrangement to avoid stability disturbances in series or star connections of two or more saturated choke coils or transformers used for frequency conversion : de en
  • CA364569A - Conduit junction : en fr
  • AT148804B - Process for the preparation of N-methyl-C, C-allylisopropylbarbiturate sodium in a durable, dry form that is very easily soluble in water. : de en
  • DE642659C - Slide for microscopes : de en
  • DK52798C - Harpoon line with inlaid electric cable. : da en
  • US2073225A - Pad roller assembly : en
  • US2073433A - Tape affixing device : en
  • US2073083A - Method of gas purification : en
  • CA364679A - Combined hoist and aerial tram : en fr
  • DE642750C - Sand sling : de en
  • FR809729A - Device for using the burnt gases of an engine : en fr
  • GB462724A - Improvements in the colouration of materials : en
  • AT148787B - Device for treatment with short- and ultra-short-wave electrical oscillations. : de en
  • FR809940A - Improvements in shuttle-less weaving processes and looms suitable for their application : en fr
  • GB462394A - Improvements in trunk pistons for use in internal combustion engines : en
  • AU76636A - Improvements in flytraps : en
  • FR809738A - Knitting tool holder : en fr
  • GB462599A - Improvements in the treatment of textile materials : en
  • US2073435A - Roller skate : en
  • AU100437B2 - Improvements in suction gas producers and their gas cleaning means : en
  • AT148895B - Hydraulically operated friction clutch, in particular for motor vehicles. : de en
  • AT148940B - Device for maintaining correct polarity in electrical power generators. : de en
  • US2073380A - Slide-operated separable fastener : en
  • GB462481A - Improvements in and relating to doors for vehicles : en
  • US2073001A - Stud : en
  • DE639703C - Anti-rust paint : de en
  • DE642673C - Pneumatic tube for large-capacity conveyor containers made of wood or the like. : de en
  • FR809610A - Improvements to self-locking nuts : en fr
  • GB462528A - Improvements in or relating to the cooling of the gaseous products of distinctive distillation : en
  • GB462643A - Improvements in or relating to apparatus for promoting the growth of plants : en
  • DE642536C - Embroidery gear : de en
  • FR809870A - Method and apparatus for heating aircraft engines : en fr
  • AU102536A - Improvements in or relating to calculating machines : en
  • FR809816A - Process for disinsection, ventilation, drying and other treatments for the conservation of ensiled cereals and equipment for implementing this process : en fr
  • US2073505A - Milling machine : en
  • FR809743A - High voltage capacitor, made up of partial capacitors placed in receptacles : en fr
  • GB462594A - Improvements in and relating to machines for filling bottles and other receptacles : en
  • USRE20287E - Well pump operating mechanism : en
  • US2073551A - Counting device : en
  • CA364595A - Fine wire and strip production : en fr
  • FR809896A - High-frequency cable with conductors and tubular screens in good conductors tapes wired with an extended pitch : en fr
  • GB462388A - Improvements in and relating to plansifters : en
  • GB462490A - Improvements in and relating to joints for the longitudinal edges of containers and to a method of joining the same : en
  • GB462619A - Improvements in air cooling arrangements for electric current converters : en
  • CA364572A - Sensitive altimeter : en fr
  • US2072863A - Gasket : en
  • US2073398A - Activated magnesium hydroxide and method of manufacture : en
  • US2073012A - Jack attachment : en
  • US2073581A - Vehicle : en
  • USD103496S - Design for a bottle : en
  • FR809863A - Automatic edging device for boiler tubes and others : en fr
  • GB462334A - Improvements in and relating to apparatus for delivering measured quantities of liquid : en
  • GB462437A - Improvements in and relating to heating apparatus for the production of boiling water : en
  • DK52793C - Dishwasher. : da en
  • FR810027A - Improvements to manufacturing processes for aluminum coated metal products and improved products obtained : en fr
  • US2073021A - Germicidal compositions : en
  • US2073132A - Game device : en
  • DE642630C - Device for the operation of electric discharge vessels with gas or steam filling, control grid and glow cathode : de en
  • FR809620A - Apparatus for gauging and dispensing liquids : en fr
  • GB462632A - Improvements in the manufacture of alkali metal salts : en
  • CA364659A - Motor fuel : en fr
  • DE642374C - Hydraulic feed device on machine tools : de en
  • FR809806A - Improvements to wrapping sheets and other similar films : en fr
  • GB462665A - Method for the conversion of oils, fats and fatty acids into elaidic acid or derivatives thereof : en
  • AU33036A - An improved operating table for use when surgically and/ or otherwise treating sheep : en
  • FR809991A - Device for inserting down into quilted blankets, eiderdowns and the like : en fr
  • FR810000A - Improvements to shock absorbers for suspensions as well as to brakes applicable to all vehicles : en fr
  • US2073485A - Storm coat : en
  • GB462498A - Improvements in or relating to means for controlling aircraft : en
  • DE642733C - Method for determining the balancing error of rotating wave-elastic bodies : de en
  • US2073413A - Drilling fluids : en
  • DE642577C - Tapping device with trimming tool : de en
  • DE642586C - Series spark gap, especially for shortwave or ultra shortwave devices for electromedical purposes : de en
  • GB462352A - Improvements in or relating to hydraulic power transmissions for pedal operated velocipedes : en
  • GB462718A - Improvements in band clips : en
  • FR809664A - Advanced pneumatic tire : en fr
  • GB462560A - Improvements in table knives : en
  • FR809721A - Process for the preservation of medicinal plants : en fr
  • FR809731A - Process for the transformation of alkali chlorides into carbonates : en fr
  • GB462564A - Improvements in or relating to d.c. amplifiers : en
  • US2073177A - Game apparatus : en
  • US2073272A - Locking container : en
  • USD103524S - Design for a net fabric or similar : en
  • AU436A - Improvements in television receivers : en
  • DE642729C - Dental metal bridge : de en
  • GB462474A - Improvements in means of aiding and training the power of respiration : en
  • FR809877A - Air flow regulator for compressed air brakes : en fr
  • GB462608A - Improvements in bathing suits and articles of dress with a floating and buoying capacity : en
  • GB462339A - Improvements in or relating to water softening apparatus : en
  • GB462562A - Improvements in and relating to the manufacture of sports goods such as dartboards : en
  • GB462671A - Improvements in and relating to parachutes : en
  • USD103487S - Design fob a binding strip or similar : en
  • FR809760A - Improvements made to chemical sanitary facilities : en fr
  • US2073589A - Production of ethane dithio ethers : en
  • USD103528S - Design for a dress : en
  • US2072970A - Sharpening device : en
  • US2073123A - Refrigerating apparatus : en
  • DE642613C - Trailer coupling for motor vehicles with scissor-shaped coupling links : de en
  • DE642748C - Vehicle drive with internal combustion engine and electrical transmission : de en
  • FR809823A - Process for obtaining on fabrics of all textile materials lustrous effects that are unalterable to washing and rubbing : en fr
  • FR810028A - Bottle closure : en fr
  • GB462329A - Improvements in or relating to thermionic oscillation generators : en
  • DE642550C - Device for achieving a certain tolerance range in devices for the automatic limitation of the power of an electrical system : de en
  • CA364636A - Weir : en fr
  • FR809764A - Fixed container with automatic tilting closure : en fr
  • FR809857A - Advanced range finders : en fr
  • FR809785A - New phthalocyanines of the benzene series : en fr
  • GB462660A - Improvements in synchronous motors : en
  • GB462461A - Improvements in or connected with fire places : en
  • GB462489A - Improvements in sliding-clasp fasteners : en
  • FR809621A - Improvements to shoe cooling machines : en fr
  • FR809772A - Process of dyeing furs, hair and feathers : en fr
  • AT148765B - Mill firing. : de en
  • CA364561A - Organic compound polymerizaiton : en fr
  • GB462479A - Improvements in or relating to bearings : en
  • FR809934A - Advertising envelope for correspondence : en fr
  • GR6360B - WATER HEATING DEVICE AND ITS CONTINUOUS FLOW. : el en
  • US2073111A - Automatic machine : en
  • US2072882A - Enameled metal wall construction : en
  • US2072964A - Self-controlled automatic gain control circuit : en
  • US2073046A - Piezoelectric element : en
  • US2072919A - Process for producing citric acid : en
  • US2072986A - Luminous tube sign : en
  • AT148884B - Device for cleaning school blackboards. : de en
  • CA364698A - Windshield : en fr
  • USD103556S - Design fob a motor vehicle lamp : en
  • GR6352B - MECHANISM OF RECEIVING AND TRANSMISSION THROUGH THE WIRELESS STRAIGHT OF LETTERS, NUMBERS, Punctuation, etc. : el en
  • DE642591C - Reversing device for the fresh gas or air flow and the exhaust gas flow in regenerative furnace systems : de en
  • US2072853A - Closure : en
  • US2073098A - Separation of vat dyestuff isomers of the naphthoylene diarylimidazole series : en
  • US2073512A - Socket : en
  • USRE20290E - Electrical current testing : en
  • AT148807B - Device for the use of steam baths. : de en
  • US2073033A - Photographic duplicating process : en
  • AU36236A - Improvements in harrow tines : en
  • CA364642A - Hydraulic cam grinding machine : en fr
  • DE642533C - Emulsifier for the production of oils for pest control : de en
  • DE642713C - Device for closing filled gusseted bags : de en
  • GB462722A - Improvements in and relating to parachutes : en
  • US2073173A - Windshield regulator : en
  • US2073442A - Method and means for purifying lubricating oil : en
  • CA364658A - Motor fuel : en fr
  • CA364666A - Moulding manufacture : en fr
  • AT148761B - Kitchen stove. : de en
  • US2072953A - Cascaded electron tube system : en
  • US2073036A - Wall assembly : en
  • DE642703C - Hook needle for pulling a thread loop through a work piece : de en
  • US2072888A - Method of and apparatus for protecting insulating bushings of a dehydrator : en
  • US2073379A - Stencil device : en
  • US2072999A - Control means for motor vehicles : en
  • US2073297A - Ring bracing of rigid airships : en
  • US2073458A - Sound recording system : en
  • CA364565A - Piston : en fr
  • CA364664A - Biological composition : en fr
  • CA364693A - Boat : en fr
  • US2073494A - Method of and means for producing textile fabrics : en
  • US2073209A - Writing machine platen and method of making the same : en
  • CA364598A - Carton : en fr
  • CA364684A - Telephone illuminating means : en fr
  • US2073159A - Vehicle ventilating and signal unit : en
  • US2073426A - Apparatus for automatically controlling and matching electric generators : en
  • CA364665A - Liquid dispenser : en fr
  • US2073067A - Syringe : en
  • US2073127A - Portable packing and weighing stand : en
  • US2073392A - Adjustable check testing apparatus : en
  • US2073125A - Process for regulating the hydrogen ion concentration of fermentation mashes : en
  • CA364606A - Wood preservation : en fr
  • FR809811A - Automatic locking device for the control of winches and especially winches for blinds, curtains, windows and the like : en fr
  • US2073340A - Method of packing whole tomatoes, etc. : en
  • US2073126A - Well cleaning system : en
  • US2073449A - Corrective time-controlled system : en
  • US2072935A - Coffee making device : en
  • US2073539A - Excavating machine : en
  • US2073322A - Automatic axle adjuster : en
  • US2073402A - Knitted fabric : en
  • AT148852B - Wire made from refractory metal. : de en
  • CA364670A - Fireplace : en fr
  • IE14704L - Coating flexible webs : en
  • US2073344A - Superheterodyne receiver : en
  • AT148863B - Round warp knitting machine. : de en
  • US2073211A - Tobacco pipe : en
  • US2072965A - Valve : en
  • US2073370A - Television system : en
  • GB462410A - Improvements in or relating to yarn guide arrangements for flat knitting machines : en
  • FR809702A - Switch with arc extinction using pressurized fluid : en fr
  • FR809978A - Preparation of new amidines : en fr
  • USD103503S - Design for an electric stove : en
  • GB462583A - Improvements in and relating to the reduction of the effects of unwanted reactance introduced in electric circuit arrangements by certain circuit elements : en
  • GR6353B - AUTOMATIC MACHINE MAKING FROM GRANDS OR POWDER. : el en
  • US2073060A - Capacitor : en
  • FR809694A - Method and device for producing high frequency oscillations using an electron tube : en fr
  • FR809795A - Sealing device for window or door : en fr
  • GB462541A - Improvements relating to shock absorbers for motor vehicles : en
  • DE642580C - Circuit arrangement for shaft signal systems : de en
  • DE642597C - Measuring device for continuous thickness measurement of long webs : de en
  • DE642522C - Rail contact device for railway safety purposes : de en
  • AT148938B - Lantern for glare-free street lighting. : de en
  • CA364656A - Articulated doll : en fr
  • DE642245C - Process for the production of neutral soluble metal complex salts : de en
  • FR809695A - Process for the production of a product intended to replace cocoa powder and resulting product : en fr
  • GB462336A - Improvements in or relating to apparatus for testing the alignment or parallelism ofconnecting rod ends : en
  • AT148856B - Electrolytic capacitor. : de en
  • FR809636A - Closed device, breathing protector, oxygen, for short periods of use : en fr
  • FR809916A - Fog and auxiliary headlight for vehicles : en fr
  • AT148815B - Electric measuring instrument, in particular electric exposure meter with moving coil system. : de en
  • AT148873B - Cutting device for cutting machines u. like : de en
  • AT148877B - Brush, broom or the like : de en
  • AT148941B - Roller skate. : de en
  • US2073008A - Refrigerating apparatus : en
  • US2073579A - Tap changing mechanism : en
  • DE642697C - Electrically heated large cooker with a hob consisting of individual segments : de en
  • FR809684A - Locking device for valve spring cup : en fr
  • FR809969A - Process for saving gasoline in internal combustion engines : en fr
  • GB462723A - Method of manufacture of moulds for roofing tiles : en
  • US2073128A - Firearm : en
  • USD103506S - Design fob a shoe : en
  • US2073350A - Wing truss : en
  • FR809624A - Acid dye for wool and its preparation process : en fr
  • FR809700A - Process for the treatment of oleaginous substances and resulting products : en fr
  • DE642570C - Device for leveling the unloaded goods on conveyor wagons with bottom flaps : de en
  • CA364612A - Unsaturated oxy compound processing : en fr
  • FR809936A - Metallurgical process for the enrichment of ores too loaded with iron oxides : en fr
  • GB462473A - Improvements in pin table amusement apparatus : en
  • FR809765A - Tool for drilling : en fr
  • FR809871A - Variable and reversible propeller : en fr
  • FR809912A - Improvements in the construction of internal combustion engines : en fr
  • GB462563A - Improvements in and relating to the indicia marking of regenerated cellulose and to the production of packages of such material having indicia marking thereon : en
  • GB462613A - Improvements in and relating to rubber derivatives : en
  • CA364629A - Spray gun : en fr
  • DE642160C - Mobile device for sticking strips on cardboard roofs : de en
  • FR809955A - Method and device for advancing strip-shaped material through a conveyor in which the material is stretched : en fr
  • GB462322A - Improvements in and relating to weighing devices for poultry : en
  • AU100425B2 - Means for separating subterranean clover seed from soil andthe like : en
  • CA364631A - Cellulose pellicle manufacture : en fr
  • GB462408A - Improvements relating to sieving machines : en
  • FR809752A - Improvements to ball and roller bearings : en fr
  • GB462341A - Riveting or punching machines or devices : en
  • GB462654A - Improved system and means for preventing collisions on railways or the like : en
  • FR809841A - Improvement in rheostatic braking of direct current motors with series characteristics : en fr
  • GB462558A - Improvements in the recovery of isobutylene from hydrocarbon mixtures containing the same : en
  • FR809995A - Bearings for rotating parts of devices for vacuum cleaning and other applications : en fr
  • DE642761C - Arrangement to compensate for the weakening of the high modulation frequencies caused by too narrow resonance curves : de en
  • FR809836A - Cellulose acetate dyeing process : en fr
  • FR809875A - Device for controlling the direction and automatically controlling the rudders of an aircraft : en fr
  • GB462350A - Process for producing citric acid : en
  • US2073541A - Valve : en
  • DK52797C - Apparatus for the brooding of chickens. : da en
  • GB462656A - Improvements relating to methods and apparatus for regulating gas pressures : en
  • GB462443A - Improvements in and relating to electric meters : en
  • GB462476A - Improvements in crescent type blades for bread and like slicing machines : en
  • FR810045A - Improvements in sound recording processes and devices : en fr
  • FR809965A - Method and device for the wet treatment of coiled wire bundles : en fr
  • GB462503A - Improvements in or relating to earth-removing scrapers for constructing roads : en
  • US2073093A - Well pipe and tool joint : en
  • US2073025A - Shoe bottom unit and method of making the same : en
  • US2073113A - Rectifier protective system : en
  • US2073364A - Signal device : en
  • US2073031A - Esters of octadecanediol : en
  • US2073182A - Tennis net : en
  • FR809960A - Method for manufacturing oxide film cathodes by spraying : en fr
  • GB462515A - A process and apparatus for controlling the pressure of rollers : en
  • US2073499A - Piston expander : en
  • GB462518A - Improvements in or relating to hydraulic pressed casting machines : en
  • GB462593A - Improvements in or relating to the stabilization of motor fuels : en
  • GB462975A - Improvements in portable power driven rotary tools : en
  • FR810026A - Improvements in the preparation of n-substituted products of 1, 4-diamino-anthraquinones : en fr
  • GB462420A - Improvements in or relating to registration of paper in printing operations : en
  • GB462664A - Manufacture of 2:6-dimethylnaphthalene-8-sulphonic acid : en
  • FR810024A - Switch device for high powers : en fr
  • DE642661C - Process and device for the continuous determination of the oxygen concentration in the boiler feed water : de en
  • FR809660A - Aircraft propulsion mechanism : en fr
  • FR810034A - Improvements to installations for the treatment of gases or vapors with liquids : en fr
  • GB462435A - Device for removal of the backbone and side bones of fish : en
  • GB462624A - Improvements in electric insulators : en
  • FR809665A - Method and device for transporting railway vehicles on unspoiled or cultivated land of any kind : en fr
  • FR809833A - Coating for boards, panels and any other surfaces : en fr
  • FR809949A - Improvements to felted fibrous products, and method of manufacturing such products : en fr
  • FR810010A - Direct nickel plating process of aluminum and all its alloys : en fr
  • DE642565C - Adhesive seal for lined bags : de en
  • DE642608C - Device for regulating the weld joint width when welding sheet metal : de en
  • USD103518S - Design for a dancing toy figure : en
  • SE88735C1 - : sv
  • US2073197A - Flat knitting frame : en
  • FR809685A - Device for automatic placement of sheets, envelopes and cards, intended in particular for address printing machines : en fr
  • US2072855A - Lubricating device : en
  • US2073163A - Hydraulic brake booster : en
  • USD103516S - Design fok a textile fabric : en
  • FR809990A - Core made of sheets of cardboard, fibrous material, metal or other substances, intended for the manufacture of blocks, structures or other building elements and similar applications : en fr
  • FR810044A - Bundling device : en fr
  • DE642510C - Arrangement for automatic parallel switching of alternating current networks : de en
  • US2073140A - Windshield : en
  • US2073233A - Holder for loose cards : en
  • FR810021A - Improvements to air circulation devices : en fr
  • FR810046A - Reversible centrifugal pump device for dyeing machines and others : en fr
  • GB462967A - Manufacture of quaternary ammonium compounds : en
  • DE642563C - Process for the digestion of alloys containing nickel-copper : de en
  • FR809954A - Ball bearing improvements : en fr
  • GB462617A - A new or improved valve for controlling the supply of air or other gas under pressure to brake cylinders and the like : en
  • US2073044A - Hydraulic machine : en
  • USD103502S - Design for an electric stove : en
  • DE642683C - Headgear for gas masks : de en
  • FR809900A - Continuous molding process of metal profiles : en fr
  • GB462611A - Improvements in and relating to refreshment bars : en
  • US2073191A - Combustion turbine : en
  • US2072947A - Process for reacting nitrogen tetroxide with aqueous liquids : en
  • GB462555A - Improvements relating to freewheel clutches : en
  • DE642537C - Envelope or the like : de en
  • DE642531C - Process for the preparation of polymeric vinyl alcohol : de en
  • GB462540A - Improvements in or relating to the manufacture of filter plugs or wads for cigarettes : en
  • AT148779B - Cinema film cassette with detachable lock for the spool core. : de en
  • US2072958A - Method of manufacturing paving blocks : en
  • US2073124A - Polishing machine : en
  • US2073185A - Channel structure for metal arches : en
  • US2073569A - Liquid sprayer : en
  • CA364669A - Cable connector : en fr
  • AT148763B - Hinged box. : de en
  • CA364555A - Heat exchanger : en fr
  • FR809655A - Grinding or grinding device : en fr
  • US2073307A - Bath spray : en
  • US2073476A - Method for making window bags and wrappers : en
  • US2073570A - Swimming shoe : en
  • AU100432B2 - Improvements relating to telephone instrument circuits : en
  • USD103494S - Design fob a lady s handbag : en
  • US2072889A - Zirconium oxides and method of making same : en
  • US2073469A - Method of cooling bread : en
  • US2073513A - Railway hopper car : en
  • CA364701A - Beverage aging and mellowing material : en fr
  • US2073226A - Guitar attachment : en
  • US2073382A - Motor control system : en
  • DE642663C - Control device for a cooling device by means of thermostats : de en
  • FR809632A - : fr
  • FR809718A - Production of sodium fluoride salts and sodium fluoride double salts : en fr
  • GB462415A - Improvements in or relating to buckles or like adjustable fastenings for garment suspenders : en
  • GB462429A - Improvements relating to regulating arrangements for internal combustion engines, particularly for aircraft engines : en
  • US2073059A - Mechanical stoker : en
  • DE642557C - Welding machine for automatic arc welding with covered electrodes : de en
  • GB462393A - Improvements in and relating to water-tube steam generators of the field-tube type : en
  • US2073179A - Internal combustion engine : en
  • US2073216A - Centrifugal separator : en
  • US2073367A - Conversion and coking of carbonaceous materials : en
  • US2073181A - Shoe shield : en
  • US2073190A - Radio tube rejuvenator : en
  • US2073384A - Filter : en
  • US2073208A - Paper waxing apparatus : en
  • DE642091C - Multi-zone filters, especially for lenticular films, made of plane-parallel plates with wedge defects : de en
  • DE642585C - Car shifter : de en
  • US2072993A - Electronic switch : en
  • US2073320A - Feeding and blanking machine : en
  • GB462597A - Process for preserving wood : en
  • GB462614A - Improvements in or relating to circular knitting machines : en
  • FR809688A - Elastic suspension device for rear wheel of cycles : en fr
  • FR809759A - Improvements to eye protection devices : en fr
  • US2072972A - Coin collecting apparatus : en
  • US2073401A - Drier : en
  • US2073486A - Delayed automatic volume control circuit : en
  • US2073258A - Fractionating and condensing unit : en
  • US2073305A - Article feeding mechanism : en
  • AU71336A - A method of impulse trimming of television signal : en
  • US2073026A - Liquid purifying apparatus and process : en
  • GB462444A - Improvements in or relating to reversing means for the currents of heating gas and waste gas in regenerative furnace plant : en
  • FR809988A - Device for perfectly free rotation of shafts or other components supported by ball or roller bearings : en fr
  • GB462509A - Improvements in elastic trail plates for guns : en
  • GB462577A - Improvements in and relating to electric fuses : en
  • CA364607A - Standing pole preservation : en fr
  • FR810005A - Improvements to vehicle bodies : en fr
  • DE642740C - Photographic chamber, especially cinema recording chamber, with range finder : de en
  • US2073346A - Powdered coal burning system : en
  • US2073463A - Piano : en
  • USD103493S - Design fob a lady s handbag : en
  • DE642590C - Process for processing mineral oil-waste grease mixtures : de en
  • DE642671C - Cinematographic target : de en
  • FR809879A - Synchronous slave clocks : en fr
  • AT148919B - Focusable electric battery torch. : de en
  • FR810033A - Improvements made to self-compressors with opposing free pistons : en fr
  • US2073529A - Electric switch : en
  • DE642313C - Means for keeping cut flowers fresh : de en
  • DK52794C - Method with associated apparatus parts for the construction of reinforced concrete houses. : da en
  • FR809652A - Pressurized fluid dispenser : en fr
  • GB462556A - Improvements in lubricating compositions : en
  • AT148817B - Device for determining the force required on the circumference of a rotating part of a work machine or a transmission to start up for the purpose of determining the drive power. : de en
  • AT148915B - Collecting device for electrons. : de en
  • AU253536A - Improvements in woven cloths or fabrics : en
  • GB462549A - Improvements in or relating to the manufacture of lead pigments : en
  • GB462552A - An improvement in the manufacture of tents : en
  • US2073207A - Manufacture of ascorbic acid and its analogues : en
  • US2073210A - Gun-sight mount : en
  • US2072939A - Mounting for electrical devices : en
  • US2072944A - Aerator : en
  • US2073043A - Bottle stopper : en
  • US2073105A - Heat exchange apparatus : en
  • AU152736A - Improvements in garage lift jacks : en
  • CA11349S - Square metal ash tray : en
  • US2073081A - Brake operating mechanism : en
  • AU71636A - Modulating method for television transmitters : en
  • US2073169A - Plow attachment : en
  • US2072974A - Cooling device : en
  • US2073403A - Display device : en
  • US2073503A - Binder : en
  • FR809776A - Hinge for interlocking cover, particularly applicable to watch bezel : en fr
  • DE642454C - Process for the transesterification of triglycerides of high molecular weight fatty acids : de en
  • AT148801B - Collapsible bidet. : de en
  • CA364613A - Distillation or calcination apparatus : en fr
  • DE642600C - Eye refractometer : de en
  • CA364649A - Optical apparatus : en fr
  • US2073137A - Sanitary cover : en
  • US2073048A - Selective volume control valve : en
  • US2073084A - Bottle closure and method of applying same : en
  • US2073424A - Furnace : en
  • US2073487A - Stocking and method of making the same : en
  • AT148846B - Heel piece for ski bindings. : de en
  • US2073504A - Automatic tone control circuit : en
  • DE642724C - Process for producing isolated powders and for producing mass cores : de en
  • FR809736A - Device preventing circuit breakers from flapping when closing on a short circuit : en fr
  • FR809860A - Method and means of fixing the rails of railway tracks : en fr
  • AT148790B - Process for the production of long-lasting solutions of fat-soluble vitamins. : de en
  • DE642601C - Pickaxe : de en
  • DE642603C - Silencer, especially for two-stroke internal combustion engines : de en
  • DE642690C - Process for the preparation of alkylenediguanidine preparations : de en
  • US2073561A - Sound reproducing means : en
  • FR809944A - Improvements to vehicle chassis and bodies : en fr
  • AT148813B - Connection of metallic conductors. : de en
  • AT148793B - Glare protection that can be attached to eyeglasses. : de en
  • AT148818B - Steel holder. : de en
  • AT148821B - Process for the preparation of N.N'-dichloroazodicarbonamidine. : de en
  • AT148929B - Television broadcast method. : de en
  • AT148808B - Device for preventing scale deposits in water heating systems. : de en
  • US2073160A - Fuse plug : en
  • GB462676A - Machine for fixing locks, fastenings and fittings to attache and similar cases : en
  • US2073389A - Pipe thread protector : en
  • US2073506A - Reclaiming lubricating oils : en
  • US2072873A - Lug cap and glass thread : en
  • AT148878B - Method and device for the manufacture of knitted goods. : de en
  • AT148805B - Antenna arrangement to achieve course lines. : de en
  • AU75036A - Improvements in operating mechanism for cistern valves : en
  • FR809882A - Rolling mill : en fr
  • AT148757B - Recoil loader. : de en
  • US2073420A - Sheet measuring and cutting machine : en
  • CA364645A - Segmental grinding wheel : en fr
  • DE642712C - Device for switching on alarm contacts using rails on the pane to be secured : de en
  • FR809982A - Arc extinguishing device : en fr
  • GB462346A - Instrument for use in navigation : en
  • GB462510A - Improvements in two-row ball bearings : en
  • FR809999A - Improvements to hollow containers in paper, cardboard, sheet metal and more generally in any thin material : en fr
  • FR809948A - Device for exerting influence on a train, with speed control by means of route switches : en fr
  • GB462500A - Improvements in and relating to electric discharge devices : en
  • GR6358B - SALT AND PEPPER GEMINI. : el en
  • DE616637C - Screw cap for tin cans : de en
  • DE642564C - Process for annealing metal pipes, in particular made of copper and its alloys, while keeping the inner surface bright : de en
  • DE642622C - Desensitizing Thorhydroxydsol : de en
  • CA364694A - Weed and plant puller : en fr
  • AU100421B2 - Method and apparatus forthe burning of mineral sulphides in gaseous suspension Sulphate control : en
  • CA364648A - Optical system for color cinematography : en fr
  • AT148874B - Vibration dampening for flywheels from flexible, e.g. B. arranged on leaf springs shaking or shaken machine parts od on Fourdrinier paper, cardboard machines. : de en
  • AU100434B2 - Improvements in glass tempering apparatus : en
  • DE642699C - Starting circuit of twin magnetic ignition devices for internal combustion engines : de en
  • US2072864A - Pressure-casting apparatus : en
  • US2073023A - Automobile heater : en
  • US2073032A - Spring suspension for vehicles : en
  • US2073427A - Method of cleaning and polishing tin plate : en
  • USD103544S - Design for an automobile grille : en
  • US2072909A - Plate clamp for printing machines : en
  • CA364691A - Lighting fixture : en fr
  • DE630759C - Storm lantern burner : de en
  • US2073005A - Machine for pressing the bottoms of shoes : en
  • US2073188A - Rotary pump : en
  • GB462349A - Improvements in the dehydrogenation of saturated hydrocarbons : en
  • US2072952A - Mounting for electrical devices : en
  • US2073377A - Dispenser : en
  • USD103549S - Design for a settee : en
  • US2072897A - Time control apparatus : en
  • US2072918A - Method of and apparatus for introducing high potentials into a dehydrator : en
  • CA364564A - Locomotive transmission and power control : en fr
  • US2072923A - Toothpick dispensing apparatus : en
  • US2073017A - Latch mechanism : en
  • FR809933A - Fitting for tubes or pipes, removable and rotating simultaneously around its axis : en fr
  • US2073224A - Pad roller and mounting therefor : en
  • US2072987A - Refrigeration : en
  • US2073196A - Fur cutting machine : en
  • US2073526A - Dynamo-electric machine : en
  • USD103540S - Design for an ash tray : en
  • GB462604A - Improvements in or relating to sliding friction bearings : en
  • US2073348A - Reduction drive : en
  • US2073337A - Loose leaf binder : en
  • US2073042A - Automatic stop for phonographs : en
  • US2073166A - Traffic marker : en
  • FR809864A - Improvement in signal lighting, especially railway signals : en fr
  • US2073441A - Process of treating sewage : en
  • AT148756B - Device for manufacturing electrical tubular heating elements. : de en
  • CA364630A - Sealing compound preparation : en fr
  • AT148827B - Reinforcement for iron benton rib or beam ceilings. : de en
  • AT148936B - Independent charging unit for changing drive power. : de en
  • US2072905A - Automatic train pipe connecter : en
  • US2073460A - Hedge shears : en
  • DE642705C - Clip-on lid with recessed bottom for cans : de en
  • DK52784C - Connection to Telephone system with four-wire and two-wire circuits. : da en
  • FR809696A - Improvements made to machines for subjecting a moving belt to the action of shapers, in particular printing machines : en fr
  • US2073243A - Fuel system testing instrument : en
  • CA364573A - Fibrous material dyeing process : en fr
  • AT148885B - Rice straw or similar brooms. : de en
  • USD103546S - Design fob a dress : en
  • US2073323A - Packaging short filler tobacco : en
  • FR809613A - Antenna system to improve the radiation pattern of a half-wave antenna : en fr
  • FR809967A - Amplifier for the transmission of a wide frequency band : en fr
  • GB462487A - Improvements in the manufacture of olefiue oxides : en
  • US2073004A - Fireproof material : en
  • US2073599A - Electric discharge device : en
  • AT148891B - Drive for motor vehicles. : de en
  • CA364553A - Saddle seat : en fr
  • US2072915A - Battery condition indicating system : en
  • US2073591A - Sanitary napkin : en
  • GR6350B - METHOD OF LUBRICATION FROM THE BOTTOM OF THE RAILWAY AXIS : el en
  • DE642662C - Device for preventing unwanted backward movement in internal combustion engines with pneumatic regulators : de en
  • US2073006A - Method of processing artichokes : en
  • US2073010A - halogenated aralkyl-aryl ethers : en
  • AT148946B - Electric pressure breaker with bellows tube. : de en
  • US2073239A - Press : en
  • USD103510S - Design for a textile fabric : en
  • AT148901B - Steering device for caterpillar vehicles. : de en
  • AU100389B2 - Improvements in containers : en
  • DE642578C - Fine grinder roller mill : de en
  • DE642621C - Device for measuring the length of lengths of fabric : de en
  • DE642650C - Process for the production of Kuepen dyes : de en
  • US2073360A - Liquid level indicator : en
  • US2073567A - Automatic machine for the manufacture of alimentary paste : en
  • DE642693C - Core microphone in which the core chamber contains special storage rooms : de en
  • USRE20282E - Electrical measuring and regulat : en
  • AT148903B - Device for fuel extraction for fuel containers on motor vehicles. : de en
  • US2073289A - Adjustable truss pad : en
  • USD103530S - Design fob a uniform cap oe similar : en
  • GB462416A - Improvements in television : en
  • US2073223A - Means for determining color density of liquids : en
  • DE642658C - Record player : de en
  • DK52781C - Chassis for bogie wagons. : da en
  • FR809755A - Oil refining process : en fr
  • US2072845A - Apparatus for spraying pulverized materials : en
  • AT148810B - Positive oxygen electrode. : de en
  • US2073368A - Camera : en
  • US2073235A - Coilable measuring rule : en
  • USD103505S - Design fob a shoe : en
  • US2073200A - Centrifugal casting : en
  • USD103515S - Design for a textile fabric : en
  • AT148778B - Method of capturing images on lenticular film and multi-zone color filters. : de en
  • AT148839B - Grid control of gas or vapor-filled discharge vessels. : de en
  • CA364653A - Belt lacer : en fr
  • AT148842B - Electric filter. : de en
  • US2073095A - Pea separating apparatus : en
  • US2072973A - Quiet automatic volume control system : en
  • US2073151A - Coin chute : en
  • US2073500A - Piston ring : en
  • USD103552S - Design for a hand mirror : en
  • AT148783B - Device for optimal transmission of a desired frequency and for optimal suppression of an undesired frequency. : de en
  • US2072979A - Tube and system for electron discharges : en
  • US2073220A - Auxiliary band for clothes presses : en
  • CA364634A - Dry electrolytic condenser : en fr
  • CA364619A - Water heater : en fr
  • US2073018A - Process for the treatment of light metals and their alloys : en
  • US2072893A - Carburetor connection : en
  • AT148812B - Device for intensive swirling of the gas-air mixture, in particular for internal combustion engines. : de en
  • US2073440A - Ice cream cone : en
  • GB462402A - Apparatus for opening and cleaning flax straw and such like fibrous materials : en
  • USD103486S - Design for an edging strip or similar : en
  • USD103537S - Design for a flashoght casing : en
  • AT148798B - Adjustment device. : de en
  • AU274736A - Improvements in and relating to biscuit and like cutting and embossing machines : en
  • AU75236A - Improvement in salt blocks : en
  • US2073590A - Method of making abrasive wheels : en
  • US2073358A - Self-supporting tank roof : en
  • AT148853B - Line termination. : de en
  • US2072998A - Load hauling vehicle : en
  • US2073391A - Earth scraper : en
  • DK52803C - Motor vehicle, in particular in the form of a turntable with its own drive motor. : da en
  • FR809623A - Process for the manufacture of photographic products : en fr
  • US2072931A - Method of making colored artificial yarns and films : en
  • US2073057A - Water-soluble bactericidal s : en
  • FR809651A - Needle bar for flat knitting machines : en fr
  • AT148814B - Method and device for recording and playing back sound recordings using the magnetic sound method. : de en
  • DE642541C - Tensioning pulley for driving spindles for spinning and twisting machines : de en
  • AU100411B2 - Improvements in telephone systems and automatic switches for use therein : en
  • DK52782C - Braking device for traction motors. : da en
  • FR809815A - Process for treating irons, cast irons and steels and products obtained : en fr
  • AT148766B - Lighting, heating and cooking device powered by liquid fuel under pressure. : de en
  • AU100413B2 - Improvement in shoes and method of making same : en
  • CA364680A - Stoker heat absorbing device : en fr
  • AU74536A - Improvements in electric circuit arrangements for use in conjunction with electric discharge devices : en
  • CA364571A - Hydrocarbon material distillation : en fr
  • AT148834B - Circuit arrangement for semi-automatic telephone systems. : de en
  • US2073115A - Typesetting apparatus : en
  • US2073236A - Composite flue : en
  • AT148907B - Torque release device for the main clutch of motor vehicles. : de en
  • US2072927A - Production of artificial textile materials : en
  • US2073249A - Regulation of combustion : en
  • CA364577A - Electric device : en fr
  • US2072963A - Method and apparatus for filling containers : en
  • US2073204A - Method and apparatus for producing fire extinguishing foam : en
  • AU100375B2 - Improvements in or relating to electrical hearing aids : en
  • FR809656A - Device for recording, then viewing kinestereoscopic views : en fr
  • GB462314A - Improvements relating to automatic electric cut-out devices : en
  • FR809867A - Manufacturing process of mixed cellulose esters : en fr
  • FR810003A - Two-stroke engine : en fr
  • AU228836A - Methods of coating surfaces with powdered materials : en
  • CA364622A - Silencer : en fr
  • GB462598A - Improvements in or relating to slabs or units for use in building : en
  • GR6355B - SIDE SINGLE DOUBLE YARN DIPLIST. : el en
  • AT148930B - Cathode ray tubes, in particular for television purposes. : de en
  • FR809745A - Safety razor : en fr
  • USD103550S - Design for a fotjr-engined flying : en
  • GB462977A - Improved manufacture of cosmetic products : en
  • GR6359B - MIXING, MIXING AND BREAKING MACHINE AT THE SAME TIME. : el en
  • AU211436A - Improvements in or relating to superheterodyne receiving circuit arrangements : en
  • CA364626A - Refrigerant distributor : en fr
  • FR809797A - Improvements to electronic vacuum discharge lamps : en fr
  • US2072876A - Phonograph control : en
  • GB462381A - Improvements relating to chairs, tables, stands and like furniture : en
  • AT148927B - Circuit arrangement for telex switching systems. : de en
  • FR809607A - Electric discharge device : en fr
  • GB462638A - Improved apparatus for playing the game of shuttlecock and battledore : en
  • GB462409A - Improvements in or relating to springs : en
  • FR809927A - Removable curler : en fr
  • FR809881A - Improvements to processes and devices for the treatment of bituminous materials : en fr
  • GB462537A - Improvement in or relating to box seats : en
  • GR6366B - ZONE - HEALTH STRAP. : el en
  • CA364554A - Mat manufacture : en fr
  • GB462591A - Improvements in or relating to material particularly adapted for detergent purposes and a method of preparing the same : en
  • US2073507A - Price tag marking machine : en
  • FR809734A - Portions of ice cream or similar served individually : en fr
  • GB462561A - The manufacture of black sulphur dyestuffs : en
  • DE642692C - Time switch, especially for an absorption refrigeration machine : de en
  • FR809747A - Glare-free headlight for all motor vehicles : en fr
  • GB462533A - An improved method of and means for recovering gravel, shingle and the like from the bed of the sea, from river beds and similar places : en
  • FR809850A - New board game : en fr
  • FR809854A - Automatic device for stopping the coil at the diameter reached in the winders : en fr
  • GB462445A - Improvements in safety locks : en
  • FR809645A - Further training in cathode ray tubes : en fr
  • FR809843A - Method and apparatus for dehydrating alcohol : en fr
  • FR810013A - Galileo telescope objective composed of two glued lenses : en fr
  • US2073491A - Reflector for show windows and the like : en
  • FR809631A - Electric heater and its manufacturing process : en fr
  • GB462571A - Aerial leads for radio reception : en
  • DE642534C - Pipe burst protection for gas, steam or liquid lines : de en
  • CA364638A - Tape dispenser : en fr
  • GB462519A - Improvements in and relating to bearings : en
  • FR810006A - Rotary pump for milk or other similar liquids : en fr
  • FR810049A - Manufacturing process of resin-lacquers : en fr
  • GB462382A - Improvements in or connected with flying machines : en
  • GB462351A - Improvements in or relating to lubricant retainers for rotary shafts : en
  • US2073357A - Fluid coupling and control : en
  • US2073481A - Sphere valve : en
  • US2073553A - Apparatus for drying grain : en
  • FR809791A - Aircraft oil cooler : en fr
  • FR809602A - Fitting for flexible metal pipes : en fr
  • FR809849A - Improvements to fluid pipes and their isolating devices : en fr
  • GB462499A - Apparatus for the separation of water, more particularly from liquid fuels : en
  • GB462559A - Improvements in or relating to parachutes : en
  • US2073524A - Stretcher and supports therefor : en
  • FR809618A - Advanced hinge and its assembly method : en fr
  • FR809659A - Arrangement for the protection of cross-mounted current converters : en fr
  • FR809826A - Advanced liquid pump : en fr
  • FR809691A - Television process : en fr
  • GB462625A - Change speed driving gear : en
  • DE642604C - Throttling of the damping fluid of shock absorbers for vehicles with suspension by plate valves : de en
  • GB462344A - Improvements in taps for beer barrels and the like : en
  • US2073266A - Concentration and broadcasting system : en
  • US2073238A - Press : en
  • DE642329C - Reinforced stone ceiling with interlocking strips on the long sides of the stones : de en
  • FR809778A - High pressure mercury vapor discharge tube : en fr
  • GB462576A - Improvements relating to the hydration of olefines : en
  • DE642721C - Circuit for neutralizing screen grid tubes : de en
  • FR810025A - Improvements to rubber threads and their manufacturing method : en fr
  • US2072884A - Enameled metal wall corner construction : en
  • GB462621A - Improvements in or relating to apparatus for loading from dust-bins, skips and the like : en
  • FR809644A - Explosion turbine : en fr
  • FR809856A - Mold core for the formation of cells in all hollow concrete masses, reinforced or not : en fr
  • GB462439A - Apparatus for producing a reducing gas atmosphere by partial combustion of gaseous hydrocarbons : en
  • GB462465A - Manufacture of methyl-aminonaphthalene-sulphonic acids : en
  • GB462682A - Improvements in or relating to multicylinder internal-combustion engine units : en
  • USPP236P - : en
  • US2073070A - Fluid pressure regulator : en
  • DE642619C - Retaining ring to be applied to the outlet of bathtubs, pouring outlets, etc. to hold a drain valve body in the closed position : de en
  • US2072851A - Cigarette holder : en
  • FR809929A - Closed electric ovens : en fr
  • US2073596A - Cigarette or cigar holder : en
  • FR809626A - Combination electric switch : en fr
  • GB462545A - Improvements in and relating to electric discharge lamps : en
  • CA364651A - Finned tubing : en fr
  • GB462468A - Manufacture of naphthalene derivatives : en
  • GB462566A - A process for impermeabilising, tightening or fixing pervious or loose subsoil layers and other porous masses : en
  • GB462324A - Improvements in packing discrete materials : en
  • US2073075A - Car truck : en
  • US2073107A - Well testing method and apparatus therefor : en
  • US2073400A - Stone polishing machine : en
  • US2073227A - Carpet weaving : en
  • US2072894A - Synchronous motor : en
  • US2073455A - Ferro-magnetic alloy : en
  • DE642649C - Process for the production of coated electrical heating conductors : de en
  • US2072924A - Clutch : en
  • US2073257A - Food slicing device : en
  • US2073498A - Ashtray : en
  • US2073397A - Shaft mounting for writing-comput : en
  • DE642688C - Traveling reel for mining : de en
  • FR810009A - Electric circuit breaker with insertion of capacitors : en fr
  • DE642566C - Storage container, especially for oil, with pouring device : de en
  • DE642666C - Advertising equipment, consisting of a launcher and a bomb, containing advertising material and an explosive charge which is detonated some time after the bomb is launched : de en
  • DE642722C - Electric gas discharge lamp with noble gas, in particular helium gas, and positive column discharge : de en
  • US2073007A - Packaging machine : en
  • AT148888B - Cutting machine for paper, cardboard or the like. : de en
  • US2073051A - Train dispatching system for railroads : en
  • US2073438A - Hydroplane vane : en
  • DE642680C - Sanitary napkin : de en
  • US2072869A - Signaling system : en
  • US2073533A - Spring assembly : en
  • FR809981A - Device for automatic hydraulic adjustment of the running of mining machines : en fr
  • GB463302A - Improvements in or relating to containers for road or rail transport : en
  • DK52788C - Hand lamp with rubber handle. : da en
  • FR809830A - Head percussion fuze with centrifugal safety movable in rotation relative to the projectile : en fr
  • GB462492A - An improved method of surface treatment of rubber : en
  • FR809919A - Apparatus for the electrolytic decomposition of water, intended in particular to operate under high pressure : en fr
  • FR809847A - Improvements to cranks for starting internal combustion engines : en fr
  • AT148892B - Device for injecting fuel for internal combustion engines. : de en
  • DE642633C - Apparatus for making optical sound recordings : de en
  • US2073484A - Supporting device : en
  • AU100418B2 - Portable starting stalls for racetracks : en
  • USD103501S - Design for a kitchen cabinet : en
  • GB462573A - Improvements in and relating to substituted barbituric acids : en
  • GB462335A - Improvements in or relating to the dyeing of cellulose esters with azodyestuffs : en
  • US2072887A - Forced flow generator and method of operating same : en
  • US2073431A - Discharge tube : en
  • IE14329L - Electric discharge lamps : en
  • GB462721A - Improvements in photographic apparatus : en
  • US2073472A - Container cover selecting and feeding mechanism : en
  • USD103555S - Design for a cape : en
  • US2073564A - Manufacture of wrappings : en
  • DE642594C - Forked rail for the production of plush-like fabrics : de en
  • US2073244A - Vacuum cleaner switch : en
  • FR809697A - Improvements in the manufacture of painted glass slabs and tiles with cement agglomerate support, and new industrial products obtained : en fr
  • FR809868A - Improvements at t receiving stations. s. f. equipped with an automatic tuning system : en fr
  • FR809925A - Method of manufacturing lingerie fabrics with permanent starching : en fr
  • AU290536A - Improvements in suction gas producers and their gas cleaning means : en
  • AU100436B2 - Improvements in woven cloths or fabrics : en
  • CA364628A - Nasal atomizer guard : en fr
  • US2073378A - Electrical connecter : en
  • FR809972A - Bodywork for closed four-door automobiles : en fr
  • FR809638A - Luminescent electric tube : en fr
  • FR809698A - Coupling device with cross axle joint for country vehicle trailer : en fr
  • FR810012A - Process and plant for the production of a gas suitable for the synthesis of hydrocarbons starting from hydrogen and carbon monoxide, according to the method of Professor Fischer, and for other similar purposes : en fr
  • FR809964A - Sophisticated automatic selector nightclub : en fr
  • FR809723A - Circle for velocipede wheels : en fr
  • AU100379B2 - Improvements in and relating to biscuit and like cutting and embossing machines : en
  • FR809921A - Machine for cutting objects into slices : en fr
  • FR809606A - Advanced internal combustion engine : en fr
  • FR809646A - Improvements to the propeller to increase its efficiency : en fr
  • GB462484A - Improvements in and relating to bricks and the like for roads building, and heat resisting purposes : en
  • GB462501A - Improved apparatus for hardening rails : en
  • CA364632A - Bathing cap form : en fr
  • FR809947A - Garbage dump known as dry dump : en fr
  • GB462427A - Improvements in internal combustion engines of the sleeve valve type : en
  • GB462714A - Improvements in or relating to chemical processes in the gaseous or vaporous phase : en
  • US2072852A - Clutch : en
  • US2073478A - Removable insert receptacle : en
  • US2073483A - Electron discharge device : en
  • FR809983A - Air brake for automobiles : en fr
  • USD103498S - Design for a table : en
  • DE642592C - Lock part for jacquard circular knitting machines : de en
  • GB462506A - Device for the dust-free emptying of refuse pails into collecting vehicles : en
  • GR6362B - METHOD OF MANUFACTURE OF INCREASED SPIRAL ELECTRIC BODIES. : el en
  • US2072940A - Telephone system : en
  • USD103488S - Article holder for toilet tanks : en
  • FR809786A - Ceramic heating clamp : en fr
  • FR809942A - Paddle caterpillar for boat propulsion : en fr
  • FR809957A - Hollow Platform Shaped Chassis for Motor Vehicles : en fr
  • GB462536A - Improvements in and relating to thermionic valve apparatus : en
  • FR809701A - Improvements made to aerial or aquatic navigation devices, of the flapping wing type : en fr
  • FR809848A - Tie holder : en fr
  • US2072881A - Internal combustion engine : en
  • US2073461A - Apparatus for controlling the flow of gaseous media : en
  • US2073584A - Protector : en
  • FI17423A - Anordning vid skodon : en fi
  • FR809996A - Improvements in the construction of devices for vacuum cleaning : en fr
  • DE642532C - Means for combating fungal damage in fruit growing : de en
  • DE642737C - Putty-free handle attachment : de en
  • US2072874A - Furnace : en
  • US2073268A - Low water cut-out : en
  • US2072917A - Method of and apparatus for electrically treating tar emulsions : en
  • DE642639C - Aiming device for guns : de en
  • FR809740A - Elastic support intended in particular for bogie pivots : en fr
  • FR809754A - Photoelectric cell photometer : en fr
  • CA364663A - Automatic control device : en fr
  • DE642700C - Method for starting internal combustion engines : de en
  • FR809634A - Brush for cleaning beer lines : en fr
  • GB462661A - Improvements in or relating to synchronous electrical machines : en
  • GB462365A - Improvements in and relating to change speed gear transmission : en
  • GB462589A - Improvements in ribbon inking devices for typewriting and like machines : en
  • US2072995A - Road planer : en
  • US2073053A - Pressure vessels for use at low temperatures : en
  • US2073394A - Apparatus for the continuous measurement and telemetering of mechanical power : en
  • US2073577A - Grinding wheel truing attachment : en
  • FR809822A - Television receivers including a braun tube : en fr
  • FR809861A - Machine for the manufacture of fancy yarns : en fr
  • GR6363B - BODY FOR THE MOVEMENT OF CARS WITHIN CAR STATIONS. : el en
  • US2073215A - Rotary pump : en
  • DE642567C - Barn doors that can be opened on the right and left : de en
  • US2073038A - Radio receiving system : en
  • US2073087A - Selector for telephone installations : en
  • US2073544A - Toy machine gun : en
  • FR809998A - Multi-speed speed-reducing electric wheelbarrow, with flexible, reversible and adjustable turnbuckles and adjustable jaw cardan shaft : en fr
  • DE642543C - Construction and assembly game, consisting of bars grooved on all sides for inserting panels : de en
  • US2073453A - Phototube : en
  • US2073480A - Muffling device : en
  • DK52783C - Device for the production of tilting oscillations. : da en
  • FR809616A - Manufacturing process for coloring materials : en fr
  • US2073195A - Fur cutting machine : en
  • FR809818A - Improvements in fire-fighting foam production processes : en fr
  • US2073327A - High vacuum distillation and apparatus therefor : en
  • US2073465A - Material forming apparatus : en
  • FR809654A - Process for the manufacture of aqueous dispersions composed of rubber and products obtained by this process : en fr
  • FR809810A - Typewriter for musical notes : en fr
  • AU76136A - Improved camp stove : en
  • US2072877A - Mount : en
  • USD103504S - Design for a shoe : en
  • AT148924B - Circuit arrangement for selective calling by means of capacitor resistor arrangements, influenced by current surges of different duration, at branch points of company lines in telecommunication systems, in particular telephone systems. : de en
  • US2073552A - Oil gasifier and burner : en
  • CA364699A - Lubricating pump : en fr
  • US2072910A - Alloy : en
  • US2073418A - Bow : en
  • US2072879A - Brassiere : en
  • US2073135A - Lamp shade : en
  • US2073388A - Means for treating liquids : en
  • US2073153A - Speedometer : en
  • US2073595A - Jack for knitting machines : en
  • USD103527S - Design for a sweater : en
  • US2073149A - Automobile door lock : en
  • AT148860B - Spring scribe. : de en
  • CA364602A - Heat-insulated receptacle : en fr
  • US2073332A - Compensated control system : en
  • US2073395A - Thermometer : en
  • US2073521A - Washing machine : en
  • CA364697A - Spotlight : en fr
  • FR809643A - Solid tire wheel for passenger cars : en fr
  • USD103507S - Design fob a shoe sole : en
  • AU100401B2 - An improved method of and means for generating a reducing gaseous mixture : en
  • US2072913A - Intermediate for preparation of hormones and processes for its production : en
  • US2073287A - Method and apparatus for reproducing sound : en
  • US2073299A - Gas carbureting apparatus : en
  • US2073474A - Loudspeaker and the like : en
  • US2073563A - Log loading device : en
  • CA364611A - Unsaturated alcohol and ether conversion : en fr
  • DE642530C - Wire stitching machine for the production of box walls made of boards and strips : de en
  • FR809728A - Improvements to knitted items : en fr
  • US2073585A - Telephone system : en
  • US2073573A - Glass feeding mechanism : en
  • DE642238C - Circuit for true-to-amplitude phase shift of a frequency band by 90í : de en
  • AU100439B2 - Improvements in spraying apparatus : en
  • AU76836A - Method and apparatus forthe burning of mineral sulphides in gaseous suspension Sulphate control : en
  • CA364661A - Elastic spring : en fr
  • AT148802B - Variable high frequency inductance device. : de en
  • AT148753B - Fire screen for boiler firing. : de en
  • AT148945B - Fog lights and auxiliary lights for vehicles. : de en
  • AT148840B - Balancing machine. : de en
  • AT148900B - Finned tube heat exchanger. : de en
  • AU197736A - An improved damp-proof composition for use asa damp course orthe like : en
  • AT148879B - Installation at water passages of lock gates. : de en
  • AT148838B - Bicycle light with a bracket that allows it to be attached to the bicycle : de en
  • CA364671A - Shelf trimming : en fr
  • USD103534S - lermer : en
  • US2073434A - Bearing : en
  • AT148762B - Grate cleaning device. : de en
  • AU100372B2 - Elimination of radiation inthe case of superhet receivers : en
  • CA364690A - Vacuum action press : en fr
  • DE642669C - Rubber covering for shoe soles and heels : de en
  • FR809793A - Furniture with t-station. s. f. : en fr
  • US2073074A - Vehicle lamp : en
  • USD103517S - Design fob a textile fabric : en
  • AU100387B2 - Improvements in or relating to the preparation of pigments for enamels, lacquers, inks and the like : en
  • DE642587C - Arrangement to reduce the ripple of the delivered or supplied direct current with rectifiers or inverters : de en
  • US2073559A - Rotary for well drilling : en
  • US2072967A - Continuous variable stitch sewing machine : en
  • US2073437A - Stopping-place indicator for vehicles : en
  • US2073293A - Convertible furniture : en
  • FR809880A - Process for the manufacture of hydroxyethyl ethers of cinchona alkaloids and products obtained : en fr
  • AU245336A - Improvements in glass tempering apparatus : en
  • AU81336A - Improvements in or relating to Kerr or like cells and their employment in television and like apparatus : en
  • DE642542C - Detachable connection for building blocks grooved on the surface, especially for building games : de en
  • DE642653C - Almond slicer : de en
  • DE642691C - Device for regulating bleeding turbines : de en
  • GB462569A - Improvements in and relating to apparatus for testing materials : en
  • DE642685C - Schraemmaschine : de en
  • GR6367B - SMALL CONSUMPTION LAMP. : el en
  • US2073062A - Animated figure negative glow device : en
  • US2072856A - Artificial filaments and method of preparing the same : en
  • AT148781B - Tabs for index cards or sheets. : de en
  • CA364683A - Telephone stand, secretary and bookrack : en fr
  • US2073077A - Brazing solder : en
  • AT148917B - Electrical switch for direct and alternating current, especially for circuits with higher power. : de en
  • AT148920B - Arrangement for controlling the gas or vapor discharge in an electrical discharge apparatus, in particular in a converter, with a blocking electrode. : de en
  • AU100396B2 - A method of impulse trimming of television signal : en
  • US2073129A - Coin controlled doorbell system : en
  • US2073496A - Centrifugal machine : en
  • US2073509A - Centerless grinding machine : en
  • US2073525A - Means for controlling the electrical characteristics of direct current generators and transformers : en
  • FR809878A - Improvements to self-priming rotary pumps operating with an auxiliary liquid : en fr
  • US2073407A - Log sawing rig : en
  • CA364593A - Tire constructing apparatus : en fr
  • AT148770B - Device for grouping the stones in automatic clay strand cutting devices. : de en
  • AU100384B2 - Improvements in and connected with floating bridges : en
  • GB462530A - Improvements in or relating to electric circuits for reducing the effective shunt capacity introduced by circuit elements such as, for example, electric batteries : en
  • AT148859B - Hydraulic pressure device, in particular for vehicle brakes. : de en
  • SE88723C1 - : en
  • US2073292A - Dispensing closure : en
  • US2072956A - Suction cleaner brush : en
  • US2072959A - Foot health exerciser : en
  • FR809907A - Improvements to internal combustion engines : en fr
  • FR809974A - Railway gauge rectification rule : en fr
  • US2073306A - Processing tank : en
  • DK52791C - Method of Transferring N-methyl-C, C-allylisopropyl barbiturate Sodium to a durable, dry, very readily soluble form in water. : da en
  • US2073143A - Chart : en
  • US2073335A - Breathing tube : en
  • US2073520A - Separator : en
  • DE642710C - OEler for a pressure medium line with a storage container surrounding it : de en
  • FR809714A - Improvements to carts, trolleys, trucks and the like : en fr
  • GB462433A - Apparatus for continuous distillation and rectification of musts containing acetone, ethyl alcohol and butyl alcohol : en
  • US2072966A - Multiple stitch sewing machine : en
  • US2072911A - Alloy : en
  • US2072943A - Transfer medium and method of making same : en
  • US2072951A - Abrading machine : en
  • US2073247A - Electric flash producing method and apparatus : en
  • US2073302A - Corn sheller : en
  • US2073594A - Positive column tube : en
  • FR809648A - Mold for line typesetting and melting machines : en fr
  • FR809767A - Ski with protective edges : en fr
  • FR809959A - Central chain transmission for tandems and triplets : en fr
  • DE642620C - Wire or fine iron rolling mill with a multi-frame open finishing section for multi-core rolling : de en
  • US2073410A - Absorbent package or pad : en
  • US2073586A - Telephone system : en
  • US2073303A - Flexible oiler : en
  • USRE20284E - Device for the after treatment of : en
  • FR809663A - Manufacturing process of a special beer for diabetics and obese people : en fr
  • FR809892A - Slicing machine : en fr
  • FR809902A - Submarine cable laying process : en fr
  • GB462601A - Manufacture of azo-dyestuffs insoluble in water : en
  • GB462640A - Improvements in or relating to rotary steam generators : en
  • GB462313A - A new or improved holder for cups, plates and the like, particularly in motor vehicles : en
  • FR809657A - Electrical conductor : en fr
  • GB462646A - Improvements in and relating to refrigerator cabinets : en
  • GB462976A - Improvements relating to dandy rolls for use in the paper making and allied industries : en
  • US2072878A - Typewriting machine : en
  • US2073277A - Glass panel building construction : en
  • AU74836A - Improvement in shoes and method of making same : en
  • DE642507C - Double-line telecommunication cables with parallel wires, pairs or fours, etc. and crossings in a straight step : de en
  • FR809770A - Watertight closing wristwatch case system : en fr
  • FR809725A - Grid for carding machine : en fr
  • GB462507A - Improvements in variable-speed gearing : en
  • DE642529C - Sanding shoe with carbon, especially for electrical crane systems, etc. : de en
  • US2073588A - Automobile radiator core : en
  • US2073049A - Loose leaf binder : en
  • US2073288A - Method and arrangement for the operation of internal combustion engines : en
  • USD103543S - Design for a display basket : en
  • DE642719C - Process for the preparation of hystazarin and substitution products : de en
  • DK52790C - Device for ion valves for shut-off in case of re-ignition or overload. : da en
  • DK52805C - Bicycle lock. : da en
  • FR809653A - : fr
  • GB462513A - Improvements in or relating to apparatus for playing a game : en
  • US2073187A - Sprinkling device : en
  • GB462448A - A method for vulcanising rubber on to articles of light metal : en
  • AU207436A - Improvements in or relating to electrical hearing aids : en
  • CA364597A - Ply paper or board manufacture : en fr
  • DE642339C - Process for the preparation of dyes and dye intermediates of the anthraquinone series : de en
  • US2073028A - Lasting machine : en
  • US2073248A - Phenol recovery : en
  • CA364624A - Snuffer composition : en fr
  • CA364702A - Sanitary appliance : en fr
  • GB462395A - Improvements relating to incinerators for domestic use : en
  • GB462628A - Improvements relating to coal-cutting machines : en
  • FR809744A - Improvements to sorting devices : en fr
  • FR809761A - Quiet : en fr
  • IE14293L - Railway signalling. : en
  • FR809617A - Pads improvements : en fr
  • AU287136A - Soluble silicate binders and products made therewith : en
  • GB462407A - Improvements in and relating to holding tools, vices and the like : en
  • US2072892A - Self aligning vacuum cleaner nozzle : en
  • US2073311A - Device for removing liquid from gas lines : en
  • USD103500S - Design fob a pen desk stand : en
  • US2073157A - Wiper blade fastener : en
  • US2073450A - Vibration damping mounting for compressors, etc. : en
  • US2073557A - Adhesive supply and spreading attachment for fabric coating machines : en
  • AT148912B - Injection internal combustion engine with a combustion chamber in the piston separated from the working cylinder. : de en
  • FR810008A - Condenser microphone with polyvinyl chloride diaphragm : en fr
  • GB462401A - Improvements in extension grates for multiple retort underfeed stokers : en
  • CA364655A - Steel pickling inhibitor : en fr
  • DE642665C - Process for the continuous electrolytic production of metal strips : de en
  • FR809777A - Manufacturing process for new azo dyes : en fr
  • CA364681A - Tube length adjusting means : en fr
  • US2073175A - Refrigerating cabinet : en
  • FR809715A - Automatic door closing device and shock absorber : en fr
  • FR810031A - Improvements to concentric conductors : en fr
  • US2073549A - Pulverulent material treating apparatus : en
  • US2073558A - Broom : en
  • FR809840A - Stretcher trolley for transporting patients, wounded, seriously ill, etc. : en fr
  • FR809865A - Arrangement of superheaters for fire tube boilers : en fr
  • DE642574C - Adhesive : de en
  • GB462968A - Preparation of improved colour lakes : en
  • GB462584A - Improvements in or relating to electric circuits for reducing the effective shunt capacity introduced by circuit elements such as, for example, electric batteries : en
  • GB462592A - Improvements in finger rings and method of making same : en
  • US2073546A - Paring knife : en
  • US2073408A - One-way brake or clutch : en
  • US2073409A - Signaling system : en
  • DE642605C - Socket pipe connection with gland packing : de en
  • US2073063A - Reel : en
  • FR809909A - Headlight device for automobiles automatically providing oblique lighting when cornering : en fr
  • FR809780A - Installation for the elimination of interference produced by multipolar switches : en fr
  • FR809796A - Water insoluble azo dyes and process for their production : en fr
  • GB462717A - Improvements in or relating to lighters for cigarettes and the like : en
  • USD103539S - Design for an ash tray : en
  • GB462585A - Improvements in or relating to the manufacture of filter plugs or wads for cigarettes : en
  • DE642599C - Procedure for exploring oil deposits : de en
  • GB462493A - Improvements in or relating to pumping devices for hydraulic power transmission systems : en
  • FR809717A - Improvements in level indicating devices for liquids, in particular for liquid fuels : en fr
  • FR809629A - Filing cabinet : en fr
  • FR809720A - Device applicable to upright tubes opening into the dome of water tube boilers : en fr
  • GB462719A - Manufacture of water-soluble azo-dyestuffs : en
  • DE642384C - Low frequency filter : de en
  • FR809784A - High speed rotating spindle mounting device for machine tools : en fr
  • FR809771A - Clutch speed changer : en fr
  • DE642609C - Bridge pad for string instruments : de en
  • GB462535A - Manufacture of azo-dyestuffs insoluble in water : en
  • US2073598A - Electron tube : en
  • GB462675A - Process for the manufacture of tetrakisazo dyestuffs containing copper : en
  • AT148882B - Wall plugs. : de en
  • USD103484S - Design fob a shoe sole : en
  • FR809924A - Process for manufacturing strips of material such as vinyl or acrylic polymerization products : en fr
  • FR809945A - Variable speed transmission mechanism : en fr
  • US2073282A - Volatile hydrocarbon vaporizing and fuel supply system : en
  • AT148786B - Excitation fluid for lead batteries. : de en
  • CA364590A - Gear housing : en fr
  • CA364641A - Crankpin grinding machine : en fr
  • DE642615C - Device for cutting metal rods into thin disks : de en
  • AT148831B - Method and device for keeping bread, rolls and. like baked goods. : de en
  • AT148942B - Switch with arc extinguishing by flowing compressed gas. : de en
  • US2072985A - Musical instrument : en
  • US2073324A - Game and game apparatus : en
  • USD103499S - Design fob a vacuum cleaner : en
  • US2073444A - Electric starting motor : en
  • US2073550A - Adjusting means : en
  • US2073547A - Pump : en
  • AT148752B - Paper containers. : de en
  • AT148841B - Process for the production of light fabrics suitable for clothing fabrics. : de en
  • US2073178A - Composite metal motor valve : en
  • CA364687A - Telephone stand and secretary : en fr
  • AU100402B2 - Improvements relating to high frequency coupling arrangements for carrier wave systems : en
  • GB462467A - Improvements in cloth wringers : en
  • CA364582A - Catalyst for gas phase reactions : en fr
  • US2073278A - Mounting device : en
  • FR810020A - Semi-automatic row crop cultivator : en fr
  • GB462678A - Improvements relating to cycle dynamos : en
  • USD103532S - Design for a cabinet for inter : en
  • FR809749A - Brush and its manufacturing process : en fr
  • FR809687A - Universal templet with interchangeable and tilting rollers for looms : en fr
  • GB462422A - Push-pull link transmission : en
  • GB462634A - A method and device for producing curved structural members : en
  • AT148820B - Method and device for the production of rubber threads. : de en
  • FR809838A - Improvements to automatic regulators of various effects using variable electrical resistances with certain parameters : en fr
  • FR809953A - <intra-moyeux> suspension for all vehicles : en fr
  • US2073237A - Inside-frosted incandescent : en
  • GB462469A - Improvements in and relating to the construction of railway carriages and coaches : en
  • FR809961A - Further training in the manufacture of articles made of materials containing silicon : en fr
  • GB462822A - Medium for and method of detecting the presence of mustard gas : en
  • DE642668C - Filler tube for fountain pen : de en
  • US2073229A - Printing ink composition : en
  • GB462502A - Improvements in or relating to burners of storm lanterns : en
  • GB462418A - Improvements relating to the heating of water by the direct contact of steam : en
  • US2073092A - Refrigeration apparatus : en
  • US2073452A - Process for carroting fur : en
  • GB462345A - Improvements in and relating to footwear : en
  • FR810018A - Improvements to shaped glass objects and their manufacturing processes : en fr
  • DE642538C - Process for the production of cigarette paper : de en
  • DE642635C - Process for the treatment of photographic films made from cellulose esters : de en
  • GB462488A - Improvements in or relating to receiving sets for television and the like : en
  • CA364646A - Rubber bonded abrasive article : en fr
  • DE642731C - Folding desk : de en
  • FR809802A - Air conditioner : en fr
  • FR809831A - Device for the display of suspenders, belts and similar articles, in shops selling to the public : en fr
  • FR809987A - Installation for the continuous production of gas to water : en fr
  • FR809976A - Device for extinguishing arcs : en fr
  • GB462551A - Improvements relating to cutter chains for coal-cutting machines : en
  • FR809650A - Electric lamp frame or other : en fr
  • IE14078L - Railway signalling. : en
  • GB462641A - Apparatus for establishing the exact vertical of a locality and applications relating thereto : en
  • GR6348B - BRUSH WITH INDEPENDENT HAIR. : el en
  • AT148921B - Electromagnetic installation auto switch. : de en
  • FR809609A - Device for the direct drive of a rotating part by a shaft : en fr
  • FR809746A - Manufacturing process of photographic developers for fine grain images : en fr
  • DE642556C - Induction furnace with melting channel : de en
  • DE642624C - Compressed air drive for stationary electrical high-voltage switchgear : de en
  • FR809792A - Control of a spindle spinning bench, comprising a motor placed inside the machine : en fr
  • DE642595C - Closure for opening the head of especially triangular tent sheets that can be used as a raincoat : de en
  • US2073016A - Slat for venetian blinds : en
  • FR809893A - Solid shades on cellulosic fibers : en fr
  • FR809920A - Manipulator for stage lighting devices : en fr
  • GB462677A - Improvements in or relating to electric distribution switchgear : en
  • US2073273A - Means for preparing beverages : en
  • US2073352A - Adjustable direction-finder chart : en
  • US2073071A - Instrument producing music : en
  • US2073086A - Dyestuffs of the xanthone type and process for producing the same : en
  • FR809876A - Improvements to lifting bars : en fr
  • FR809930A - High sensitivity relay : en fr
  • FR810036A - Improvements to color cinematography : en fr
  • GB462405A - A means for locking double doors particularly doors of wardrobes, cupboards and the like : en
  • GB462466A - Improvements in aerial and earth connections for wireless apparatus : en
  • GB462616A - Improvements relating to machines for making caps or covers for jars : en
  • DE642581C - Process for the production of colored reserves under dyeing with Kuepen or sulfur dyes or under ice colors : de en
  • GB462896A - Improvements in shock dampers : en
  • FR809984A - Shut-off or shut-off drawer for high pressure gas or liquid lines : en fr
  • FR809973A - Preparation of compounds of the etio-cholenone or etio-allocholenone series : en fr
  • FR809971A - Drainage device for liquid containers : en fr
  • US2073035A - Tubular axle : en
  • US2073096A - Lubricating system for internal combustion engines : en
  • US2073301A - Waterproofing : en
  • US2073422A - Button : en
  • GB462823A - Improvements in and relating to the supply of electrical energy to varying loads, for example thermionic valve apparatus : en
  • US2072929A - Shoe and shoe part : en
  • US2073572A - Feeding molten glass : en
  • US2073457A - Diagnostic indicator : en
  • FR809628A - Fixing device : en fr
  • FR809639A - Method and apparatus for bending metal articles or parts : en fr
  • FR809894A - Pillow bearing system with sliding friction surfaces : en fr
  • GB462338A - Improvements in and relating to penstocks and the like : en
  • GB462400A - Apparatus for playing table games : en
  • GB462639A - Improvements in and relating to electric condensers : en
  • US2073136A - Ceramic composition and method of preparing : en
  • US2073571A - Glassworking apparatus : en
  • AT148799B - Electrolytic capacitor. : de en
  • AT148950B - Magnetic sound recording device. : de en
  • CA364617A - Rubber manufacture : en fr
  • US2073262A - Typewriting machine : en
  • USD103508S - Design for a coffee brewer : en
  • US2073489A - Suction cleaner : en
  • US2072898A - Rod joint or coupling : en
  • AT148773B - Electric burglar alarm. : de en
  • AU100388B2 - Improvements in or relating tothe dispersion of pigments : en
  • CA364692A - Lumber stacker : en fr
  • DE642645C - Steam generator with indirect heating : de en
  • US2072983A - Building construction : en
  • US2072984A - Means for locating engine deadcenters : en
  • US2073531A - Mercury vapor detector : en
  • US2072844A - Swell expression engine : en
  • US2073029A - Motor vehicle : en
  • US2073538A - Motion picture machine and the like : en
  • DE642647C - Contact wire made of two types of metal : de en
  • DK52799C - Piston ring or similar Sealing ring. : da en
  • US2073493A - Energy transmission : en
  • GB462411A - Improvements in controlling the output of internal combustion engines of flying machines : en
  • AT148896B - Two-stroke internal combustion engine with recharging. : de en
  • CA364625A - Fibrous material coating method : en fr
  • DE642660C - Device for quantitative photometry of a narrow spectral range using a photocell : de en
  • US2073231A - Composite garment : en
  • US2073414A - Process for manufacturing colored cellulose-ester material : en
  • AT148785B - Process for the preparation of stable solutions of substances with anesthetic effect. : de en
  • US2073206A - Torsion meter : en
  • US2073161A - Electric fuse handle : en
  • AT148760B - Control device for electric drives. : de en
  • AT148913B - Method and device for introducing fuel into internal combustion engines. : de en
  • USD103541S - Design for an air conditioning : en
  • US2073495A - Garment : en
  • US2073464A - Detergent : en
  • AT148800B - Device for automatic re-tuning of electrical oscillation circuits. : de en
  • CA364589A - Pneumatic percussive tool : en fr
  • CA364568A - Vehicle cushioning means : en fr
  • CA364639A - Tape dispenser : en fr
  • USRE20291E - Magnetic plug : en
  • US2072969A - Pattern mechanism : en
  • US2073027A - Edging machine : en
  • US2073146A - Clutch : en
  • US2073502A - Safety razor blade and blade strip : en
  • AU143836A - Improvements in and relating tothe tempering of sheets or articles of glass : en
  • AT148886B - Method and device for the production of tubular fabrics and fabrics of two to three times the width of the chain setting without beading or streaking along the fabric edge. : de en
  • DE642749C - Method and device for driving off the light oil from washing oil enriched with it : de en
  • GB462897A - Improvements in the regeneration of bakery products : en
  • US2073548A - Building construction : en
  • USRE20281E - Combined camera and illuminator : en
  • FR809774A - Hermetic safety cap and pourer : en fr
  • GB462391A - Improvements in or relating to apparatus for depositing fillings into tarts, pies, pastry moulds and the like : en
  • AT148932B - Circuit arrangement for telephone systems with subscriber counters to be operated during the connection in the exchange. : de en
  • US2073145A - Vacuum cleaner : en
  • GB462464A - Improvements in or relating to directional wireless systems : en
  • US2073108A - Gear shifting mechanism : en
  • AT148867B - Backpack sleeping bag. : de en
  • AU100427B2 - Improvements in garage lift jacks : en
  • DK52800C - Flush valve for water closets. : da en
  • AU62436A - Improvements in or relating to electron discharge devices and holders therefor : en
  • AU69636A - Improvements in or relating tothe dispersion of pigments : en
  • AT148789B - Process for the formation of a precipitate of highly electropositive metals in a closed vessel. : de en
  • US2072875A - Window envelope and method of making the same : en
  • DE642743C - Insole for orthopedic shoes : de en
  • US2073390A - Toilet : en
  • US2073013A - Articulated train : en
  • USD103553S - Design for a clock-case : en
  • CA364616A - Graphite lubricant : en fr
  • US2073475A - Pot handle : en
  • US2072978A - Means for removing fibers from cottonseeds : en
  • US2073170A - Floor mop : en
  • AT148855B - Process for the initiation of explosive charges in boreholes or otherwise laid out. : de en
  • GB462553A - Improvements in agricultural machines for elevating hay, straw and the like : en
  • US2073015A - Rake : en
  • AT148908B - Injection pump for liquid fuels for machines with intermittent operation such as internal combustion engine driven rams and the like. like : de en
  • GB462428A - Improvements in or relating to multi-grid electric discharge tubes and to circuits comprising such tubes : en
  • AT148854B - Process for the production of plaster casts for orthopedic insoles. : de en
  • AT148890B - Rotating valve for internal combustion engines. : de en
  • CA364560A - Beverage aging and mellowing material : en fr
  • US2072885A - Enameled metal wall corner structure : en
  • AU154136A - Improved process forthe preservation of meat bodies for export : en
  • DE642695C - Process for the preparation of anthraquinone dyes : de en
  • US2073471A - Power transmission device : en
  • US2073477A - Electric wave amplification : en
  • GB462475A - Improvements in or relating to radio receivers : en
  • CA364685A - Telephone stand and secretary : en fr
  • AU34836A - Improvements in and relatirg to internal combustion engines wherein the exhaust is utilized to produce aflow of fluid : en
  • CA364650A - Belt guide : en fr
  • US2073362A - Retractable landing gear : en
  • AU100414B2 - Improvements in operating mechanism for cistern valves : en
  • AT148883B - Drawing stand. : de en
  • US2073356A - Electrode suspension : en
  • USD103512S - Design for a textile fabric : en
  • US2072989A - calculating machine : en
  • US2073003A - Switchboard cord circuit : en
  • GB462672A - Improvements in or relating to wire drawing machines : en
  • US2072860A - Feed hammer mill and molasses mixer : en
  • US2073534A - Pneumatic cushion rail wheel : en
  • CA364672A - Razor stropper : en fr
  • US2073537A - Slip cover for cylindrical containers : en
  • US2073331A - Tone bar : en
  • FR809769A - Automatic firearm : en fr
  • FR809705A - Device for fixing electrical conductors along walls, ceilings or the like, by means of clamps and bolts : en fr
  • US2073202A - Vacuum distillation : en
  • US2073228A - Finger ring : en
  • GB462463A - Improvements relating to pressure filters : en
  • GB462572A - Improvements relating to golf bags : en
  • GB462631A - Improvements relating to heating apparatus utilising exhaust steam : en
  • FR809735A - Improvements to envelopes or ampoules for valves or thermionic tubes : en fr
  • DE642588C - Arrangement for the amplification of electrical currents with the help of a glow discharge tube : de en
  • FR810016A - Umbrella frame : en fr
  • USD103523S - Design fob a sled deck : en
  • US2073100A - Nu-aminoalkylamides of nu-alkyl-aminobenzoic acids and process of preparing them : en
  • US2073415A - Container cap, cap liner, and method of applying liners to container caps : en
  • US2072954A - Steering stabilizer : en
  • FR809923A - Starting device, in particular flywheel starter, for internal combustion engines : en fr
  • FR810040A - Vehicle suspension : en fr
  • GB462495A - Improvements in or relating to electric circuit interrupters : en
  • FR809821A - Aviation rescue device : en fr
  • FR809852A - Suspension for cycle saddles or the like : en fr
  • FR809975A - Double spiral luminous body for incandescent electric lamps : en fr
  • US2073429A - Toilet paper roll holder : en
  • FR809674A - Improvements to welt shoes and their manufacturing processes : en fr
  • DK52779C - The cross or similar garment. : da en
  • US2073186A - Housed type of drop-out fuse : en
  • AU100380B2 - Improvements in luminous electric discharge lamps : en
  • US2072908A - Naphthoxo-trimethine cyanines : en
  • US2073134A - Friction transmission control mechanism : en
  • USD103542S - Design fob a battery container : en
  • US2073459A - Temperature control system and method : en
  • FR809672A - Improvements to shock absorbers for motor vehicles : en fr
  • FR810011A - Rotary intaglio printing machine : en fr
  • US2073121A - Liquefier system for solidified carbon dioxide : en
  • FR809673A - Improvements to pendulums and clocks : en fr
  • DE642706C - Conveyor belt boom for loading conveyor wagons : de en
  • US2073234A - Electric amplifier : en
  • AT148934B - Electric meter. : de en
  • US2073300A - Autocollimating unit : en
  • CA364587A - Pipe joint : en fr
  • US2073119A - Concealed hinge : en
  • GB462524A - Improvements in and relating to electric regulating apparatus : en
  • FR810029A - Extendable and movable lamp holder in all directions : en fr
  • FR809704A - Device for starting the arc in electric lamps : en fr
  • US2073318A - Airplane : en
  • US2073285A - Shutter release for folding cameras : en
  • US2073425A - Musical instrument : en
  • GR6347B - METHOD OF MANUFACTURING AND TREATMENT OF MOSAIC AND MOSAIC TILES. : el en
  • IE14271L - Electric discharge tubes : en
  • US2072997A - Power trip for sheaf racks : en
  • US2073263A - Method and apparatus for taking cores from a borehole : en
  • US2073355A - Electric condenser construction and art of making the same : en
  • DE642560C - Core for casting heavy hollow steel blocks : de en
  • US2073511A - Nose guard : en
  • US2073514A - Method of assembling packing rings in solid turbine rotors : en
  • AT148858B - Electric rotary switch with eccentric lock. : de en
  • US2072930A - Power house structure : en
  • DE642762C - Arrangement to improve the working capacity of series inverters, in particular to increase the extinction voltage : de en
  • FR809637A - Diaphragm operated multi-way valve : en fr
  • FR809905A - Opening sole : en fr
  • GB462315A - Improvements in or relating to claw feed mechanisms for motion picture apparatus : en
  • GB462658A - Improvements in the manufacture and production of trihydroxydibenzanthrones and their quinones : en
  • GB462630A - A process of refining hydrocarbon oils : en
  • US2073281A - Draftsman's plotter : en
  • US2073446A - Method for refining hydrocarbon oils : en
  • US2073174A - Method of manufacturing steel tape : en
  • US2072891A - Method of making paper straws : en
  • US2073054A - Process of producing pure soaps from oxidized nonaromatic hydrocarbons : en
  • CA364660A - Elastic spring : en fr
  • AT148850B - Meat curing agents. : de en
  • DE642553C - Process for the production of electrodes from graphite as pure as possible for vacuum discharge devices, in particular for metal vapor devices, for example for mercury vapor rectifiers : de en
  • AT148791B - High frequency modulation system. : de en
  • US2072981A - Producing phosphorus : en
  • CA364623A - Tri-plug : en fr
  • US2072862A - Gasket : en
  • US2073156A - Crankcase breather cap : en
  • US2073264A - Automatic speed change device : en
  • CA364695A - Composite sheeting : en fr
  • DE642614C - Process for bringing about an extremely fine and uniform grinding of glass panes and glass sheets : de en
  • US2073088A - Preparation of high grade asphalts : en
  • US2073466A - Electrical wiring installation and contact lug : en
  • FR809779A - Balance : en fr
  • AU100409B2 - Improvements in and relatirg to internal combustion engines wherein the exhaust is utilized to produce aflow of fluid : en
  • US2073064A - Beater : en
  • FR809946A - Helicopter training : en fr
  • GR6364B - FUN AND ENTERTAINMENT GAME "HORSE RACING". : el en
  • AT148796B - Indirectly heated cathode. : de en
  • GR6357B - SPECIAL WAY TO TIGHTEN SHOOTING WHEELS AND VEHICLES IN GENERAL. : el en
  • GB462663A - Improvements in numerical indicating and printing apparatus : en
  • AT148871B - Putty-free frame glazing. : de en
  • FR809887A - Aircraft engine power adjustment system : en fr
  • GB462363A - Improvements in and relating to electric discharge devices : en
  • GB462590A - Improvements in or relating to floating covers for storage tanks : en
  • GB462727A - Improved warming and drying appliance for use with stoves : en
  • US2072867A - Chemical processes and new products produced thereby : en
  • US2072871A - Rail end connecter : en
  • US2073310A - Waterproofing composition : en
  • GB462716A - Improved photographic shutter : en
  • AU137636A - Improvements in spraying apparatus : en
  • FR809891A - Process for processing aluminum and copper ores : en fr
  • FR809935A - Device for typewriters and the like for indicating the last writing line on the page : en fr
  • US2073566A - Portable extension for davits : en
  • US2072906A - Filtering and collecting apparatus : en
  • US2073315A - Seat : en
  • AT148939B - Electric switch. : de en
  • AT148948B - Locking device for push buttons built into shooters. : de en
  • DK52778C - Procedure for the Manufacture of Clothing. : da en
  • FR809801A - Iron oxide manufacturing process : en fr
  • FR809775A - Cufflink : en fr
  • FR809914A - Flexible mechanism for transmission of energy or movement : en fr
  • US2073454A - Pentode heterodyne detector : en
  • FR809943A - Improvement in rail contacts : en fr
  • FR810041A - Gear shift control mechanism : en fr
  • DE642656C - Locking device for the legs of tripods in spread position : de en
  • CA364689A - Valve tappet : en fr
  • FR809662A - Rotary drum electromagnetic separator : en fr
  • DE642751C - Process for the production of water-dilutable pastes from solid polyvinyl compounds : de en
  • FR809619A - Automatic apparatus for recording and reproducing telephone communications : en fr
  • AT148776B - Set up on perforated rubber bands. : de en
  • AU70536A - Improvements in containers : en
  • AU100476B2 - Stock feeder : en
  • AU97536A - Means for simultaneously determining the volume, the weight and the density of granular and other materials : en
  • US2073255A - Swing joint : en
  • AT148909B - Electric starter with longitudinally movable armature. : de en
  • AT148794B - Cotton tampon. : de en
  • US2073468A - Communication system : en
  • CA364570A - Hydrocarbon material distillation : en fr
  • US2073147A - Method of treating petroleum distillates : en
  • AT148944B - Electric current timer. : de en
  • GB462538A - Improvements in or relating to fishing gear : en
  • AT148876B - Device for self-removal and depositing of wrapping cardboard on hand-held cardboard machines. : de en
  • CA364608A - Jaw crusher : en fr
  • DE642457C - Circuit arrangement for telephone systems with separate adjustment and speech paths : de en
  • CA364605A - Wood impregnating method : en fr
  • AT148795B - Device for voting recipients. : de en
  • CA364700A - Toy airplane : en fr
  • GB462453A - Improvements in and relating to plansifters : en
  • AU72036A - Improvements in or relating to electric signalling systems : en
  • CA364594A - Cellulose pellicle manufacture : en fr
  • DE642763C - Gas- or steam-filled rectifier working with non-automatic discharge : de en
  • GB462438A - Improvements in vacuum cleaners : en
  • AT148826B - Node connection, especially with roof trusses. : de en
  • AU100429B2 - Improvements in cathode ray tubes for use in television : en
  • AT148943B - An insulator consisting of a tubular cylinder for inserting or leading through high-voltage parts into or through gas-filled spaces, in particular electrostatic precipitators. : de en
  • DE642424C - Process for the production of N-vinyl compounds : de en
  • DE642652C - Method and device for the mass production of centrifugally cast bodies : de en
  • AT148864B - Knitting machine. : de en
  • DE642582C - Process for the preparation of water-soluble heterocyclic mercury compounds : de en
  • CA364682A - Secretary : en fr
  • FR809835A - Mechanical protection mode of electric cables : en fr
  • FR809931A - Starting device for internal combustion engines : en fr
  • AT148847B - Photoelectric electrode electric discharge tube and method for manufacturing the same. : de en
  • GB462471A - Improvements in or relating to couplings for pipes and the like : en
  • GB462478A - An improved process for obtaining extracts from coal and peat : en
  • US2073451A - Transmission system : en
  • DE642579C - Mechanical igniter for twist projectiles with combined impact and time breaking device : de en
  • DE642519C - Process for the production of aromatic carboxylic acid chlorides : de en
  • FR809918A - Demountable boat with pneumatic floats manufactured with inner tubes of coaches : en fr
  • DE642576C - Revolving stage mounted on a stage carriage : de en
  • FR809904A - Bag fitted with a handle and a train, fixed, removable or retractable : en fr
  • FR810050A - Acoustic oscillator on any organ pipe : en fr
  • US2072960A - Nonrefillable container or bottle : en
  • US2073150A - Ladle construction : en
  • US2073184A - Apparatus for cleaning articles of ceramic materials : en
  • US2073309A - Accessory for mechanical refrigerators : en
  • US2073326A - Temperature control system : en
  • FR809719A - Color image production process : en fr
  • FR809832A - Process for preparing resinous compositions and resulting products : en fr
  • FR809899A - Protection device for electrical operations : en fr
  • FR809939A - Controller for hot water boilers : en fr
  • DE642627C - Single-phase induction motor with wound or short-circuit rotor and distributed stator winding : de en
  • US2073583A - Removable lock : en
  • AT148758B - Display box. : de en
  • GB462480A - An improved railway sleeper : en
  • US2073089A - Gauge mounting : en
  • FR809820A - Liquid lens microscope : en fr
  • DK52796C - Cleaner for Cattle. : da en
  • FR809989A - Device indicating the degree of wear of the brushes of electric motors : en fr
  • GB462412A - Improvements in and relating to screw-cutting die heads : en
  • GB462413A - Hat pouncing machine : en
  • CA364615A - Rolling mill feeding apparatus : en fr
  • DE642642C - Control process in the production of sheet metal, strips, profile bars, etc. Like. Directly from liquid metal between rotating cooled rollers : de en
  • GB462647A - Improvements in or relating to electron discharge devices : en
  • US2072916A - Specific gravity indicator for storage batteries : en
  • US2072926A - Production of textile or other materials : en
  • US2073482A - Vacuum tube insulator shield : en
  • FR809633A - Device for receiving goods applicable to building doors, etc. : en fr
  • FR810032A - Improvements made to variable-stroke free-piston compressors, particularly those with opposed pistons : en fr
  • GB462683A - Improvements in or relating to methods of mounting deflecting and focussing means for cathode-ray tubes and the like : en
  • AT148875B - Method and device for manufacturing conical paper vessels. : de en
  • US2073047A - Lug strap for loom picker sticks : en
  • USD103485S - Design fob a butt edging strip ob : en
  • FR809642A - Manufacturing process for colored filters : en fr
  • FR809757A - electro-filter for dust removal from roasting gas : en fr
  • GB462514A - Improvements relating to filters and purifiers employed for conditioning air, for example for respiration, by freeing it from poisonous gases and other injurious or undesired substances : en
  • DE642625C - Blow-out pipe safety device : de en
  • DE642644C - Process for the production of aluminum oxide by melting z. B. bauxite in an electric furnace in the presence of reducing agents : de en
  • FR809608A - Process for the veneer and the counter-veneer of curved pieces of wood, and machine for the implementation of this process : en fr
  • GB462627A - Improvements in and relating to oxidation products of rubber : en
  • FR809635A - Bogie fitted with axles or axles that can be steered in the radial direction : en fr
  • DE642583C - Device for pumping high pressure steam : de en
  • FR809716A - Lens tubes, used as sheaths for electric light : en fr
  • GB462389A - Improvements in gas heated ovens : en
  • US2073061A - Perfume dispenser : en
  • US2073152A - Speedometer : en
  • US2073171A - Receptacle : en
  • US2072925A - Pulling die : en
  • US2073192A - Method and apparatus for the administration of gases : en
  • US2072872A - Apparatus for testing filters : en
  • US2073396A - Washer distributing mechanism : en
  • US2073158A - Combined motor mounting and belt tightener : en
  • FR809781A - Insulating tape : en fr
  • FR809859A - Process and installation for packaging wheat or other grains : en fr
  • FR810007A - Apparatus for closing glasses and boxes with fruit and food as a result of burning of the oxygen contained therein : en fr
  • US2073022A - Process for effecting carbazole ring formation of compounds of the anthraquinone series : en
  • FR809842A - Improvements to television transmission systems : en fr
  • US2073580A - Centralized traffic controlling system for railroads : en
  • DE642657C - Electromagnetic light control device for optical sound recordings : de en
  • FR809630A - Auxiliary device for t receiving station. s. f. for easy and simple reading of broadcast station programs : en fr
  • FR809837A - Method and devices for increasing the surface area of metal spraying instruments, known as metallizing guns : en fr
  • US2073045A - Power transmitting device : en
  • FR809798A - Electrically controlled roller for roller trains : en fr
  • GB462485A - Improvements in or relating to the sealing of electrical conductors through quartz envelopes : en
  • US2073109A - Lock : en
  • FR809690A - Torsion balance : en fr
  • US2073165A - Reversible stove : en
  • FR809956A - Improvements to suction nozzles for vacuum cleaning devices : en fr
  • GB462430A - Gas-filled electric incandescent lamp and process for its manufacture : en
  • US2073078A - Electron discharge device : en
  • US2073118A - Terminal : en
  • US2073222A - Paper bag : en
  • US2073345A - Superheterodyne receiver : en
  • US2073359A - Electrical device : en
  • US2073270A - Combustion apparatus : en
  • US2073419A - Resilient joint : en
  • US2073575A - Snubbing means for semaphore signals : en
  • CA364618A - Metal casting method : en fr
  • DE642342C - Process for the production of stamps for the formation of seamlessly drawn sleeves for tooth crowns : de en
  • AT148868B - Method and device for the production of an endless wire mesh, in particular a paper machine screen. : de en
  • US2072914A - Signal : en
  • US2073052A - Manufacture of cellulose derivatives and in plastic products, etc. : en
  • CA364676A - Welt supporting form : en fr
  • FR810048A - Device for automatically routing mobile suspended bars to a work location below : en fr
  • GB462348A - Improvements in and relating to refractory bricks or radiants for surface combustion burners : en
  • US2072848A - Water filtering and purifying device : en
  • USD103514S - Design fob a textile fabric : en
  • FR809748A - Improvements to the supply lines, or feeders, of antennas : en fr
  • FR809883A - Ship holding the high seas : en fr
  • FR809805A - Machine usable, in particular, for dyeing, washing or priming : en fr
  • US2072994A - Motor vehicle : en
  • FR809710A - Advanced bulb : en fr
  • GB463039A - Improvements relating to boxes : en
  • AT148880B - Bag with a zipper extended over the end of the bag. : de en
  • US2073351A - Hanging directory holder : en
  • US2073447A - Control device for hot blast stoves : en
  • US2072870A - Cellulose derivatives : en
  • US2073347A - Collapsible wheel for vacuum cleaners : en
  • FR809846A - Gate valve plugs : en fr
  • AT148825B - Inhaler. : de en
  • AT148881B - Facility for removing the bottom of storage spaces and the like like : de en
  • US2073183A - Fuse construction : en
  • US2073250A - Percussion fuse : en
  • FR809895A - Automatic telephone system with dialers : en fr
  • FR809966A - Improvements to pneumatic suspension and shock absorption systems : en fr
  • FR810043A - Wheel cover for automobiles and similar applications : en fr
  • USD103492S - Design for a lady s handbag : en
  • US2072886A - Cement mixer : en
  • US2073470A - Mono azo dyestuffs : en
  • AU100391B2 - An improved damp-proof composition for use asa damp course orthe like : en
  • DE642709C - Method and device for hardening the surface of workpieces : de en
  • US2073284A - Progressive change speed mechanism : en
  • US2073325A - Sliding hood : en
  • US2073522A - Photoelectric tube : en
  • AT148835B - Hat, cap or the like : de en
  • CA364581A - Degreasing apparatus : en fr
  • US2073011A - Peracetylated oil : en
  • US2073532A - Single phase condenser motor : en
  • AT148829B - Protective agent against gas attacks. : de en
  • AT148933B - Switching elements with illuminated lettering. : de en
  • AU100423B2 - Improvements in or relating to Kerr or like cells and their employment in television and like apparatus : en
  • AT148925B - Circuit arrangement for selective calls in telecommunication systems, in particular telephone systems with company lines. : de en
  • US2072920A - Separator attachment for roughage mills : en
  • DE642575C - Russblaeseinrichtung with air cooling : de en
  • DE642655C - Lap coffee grinder : de en
  • US2073445A - Weighing machine comprising means for operating a valve, a counter, or another device : en
  • US2073443A - Remote control system : en
  • US2073562A - Marker for combined planters and cultivators : en
  • CA364635A - Bridge lamp arm : en fr
  • CA364674A - Reflecting device : en fr
  • GB462426A - Improvements in or relating to body supporting garments : en
  • AT148926B - Headlights, in particular for motor vehicles. : de en
  • AT148911B - Stepless change gear. : de en
  • CA364575A - Illuminating device : en fr
  • FR809890A - Turbine with offset rotor operating with: gas oil, gasoline, steam or compressed air : en fr
  • GB462580A - Improvements in transparent show cases : en
  • AU91937A - Improvements in or relating to devices comprising an electric discharge tube : en
  • CA364566A - Abrasive cutting machine : en fr
  • CA364562A - Furnace stoker : en fr
  • CA364604A - Chain link manufacture : en fr
  • US2073353A - Apparatus for preparing butter substitutes : en
  • US2073295A - Gas meter seal : en
  • US2073406A - Duplex window operating device : en
  • US2073079A - Lapping machine : en
  • AT148923B - Braun tube, especially for television purposes, with an electrically conductive inner coating. : de en
  • CA364662A - Tar processing : en fr
  • US2073040A - Registration of printing plates : en
  • AT148764B - Rope crane. : de en
  • FR809908A - Special spark plug construction : en fr
  • AU100412B2 - Improvements in electric circuit arrangements for use in conjunction with electric discharge devices : en
  • AU100420B2 - Improvements in flytraps : en
  • AT148828B - Needle for picking up fallen stitches from knitted and hosiery goods. : de en
  • AU104436A - Composition sheet material for packing andother purposes made from paper materials : en
  • US2073082A - Slicing machine : en
  • US2073430A - Scroll saw : en
  • CA364584A - Fluid pressure and electric brake interlock : en fr
  • FR809762A - Mechanical razor with movable blade : en fr
  • GB462548A - Improvements in or relating to the manufacture of dyestuffs of the indanthrone series : en
  • FR809834A - Laundry, washing, cleaning and rinsing preparations and process for their preparation : en fr
  • DK52806C - Pen holder with Ink sucker. : da en
  • CA364576A - Electric lamp : en fr
  • AT148849B - Axle bearing lubrication, in particular for rail vehicles. : de en
  • CA364704A - Garment hanger : en fr
  • US2072982A - Method and apparatus for cementing wells : en
  • US2073117A - Thermionic oscillation generator : en
  • US2073241A - Toilet paper roll carrier : en
  • AT148866B - Process for the production of non-cylindrical hollow bodies from a paper tape wound around a core. : de en
  • US2073338A - Connecter : en
  • US2073341A - Wringer : en
  • AT148780B - Process for the production of felts. : de en
  • DE642704C - Motor vehicle : de en
  • US2073122A - Placer mining device : en
  • FR809937A - High-frequency wave line section protection device : en fr
  • FR809604A - Improvements to current control devices in alternating current circuits : en fr
  • GB462419A - Improvements relating to tables, stands, and like articles of furniture : en
  • US2072868A - Control device for heating appliances : en
  • US2073333A - Telegraph system : en
  • AU186036A - Improvements in cathode ray tubes for use in television : en
  • CA364696A - Film inscription making apparatus : en fr
  • US2073112A - Filling device : en
  • US2073275A - Clock with automatic calendar : en
  • CA364643A - Hydraulic grinding wheel feeding mechanism : en fr
  • US2073155A - Basket stand : en
  • US2073530A - Signal torch : en
  • USD103529S - Design for an airplane : en
  • US2073416A - Fire extinguishing grenade : en
  • US2073393A - Vibrator for concrete work : en
  • US2072977A - Refrigerating apparatus : en
  • AU100397B2 - Modulating method for television transmitters : en
  • AU100419B2 - Improved camp stove : en
  • AT148872B - Mast for electrical overhead lines. : de en
  • US2073280A - Identification bracelet : en
  • US2073473A - Dispensing device for plastic substances : en
  • US2073597A - Induction electric furnace : en
  • CA364705A - Container or package for fragile articles : en fr
  • FR809874A - Improvements to filling nozzles for machines for filling bottles, flasks, cans, and other similar containers : en fr
  • FR810037A - Transformation of resinous products into hydrocarbons : en fr
  • CA364588A - Acid manufacture : en fr
  • FR810017A - Sextant : en fr
  • US2072861A - Processes for the catalytic hydrogenation of dicarboxylic anhydride : en
  • US2073528A - Method of making printing rolls : en
  • US2073574A - Hydraulically operated wheel feeding mechanism : en
  • AT148819B - Process for the production of wool substitute fibers from viscose. : de en
  • US2073448A - Burner : en
  • AT148784B - Ultra-short wave transmitter. : de en
  • US2073291A - Collapsible tire building drum : en
  • AT148893B - Device for actuating shift rods in speed change transmissions of motor vehicles. : de en
  • AT148918B - Electric gas-filled incandescent lamp. : de en
  • AU100415B2 - Improvement in salt blocks : en
  • DE642589C - Process for the preparation of anthraquinone dyes : de en
  • AT148806B - Device for consuming pen-shaped luxury foods or refreshments u. like : de en
  • CA364563A - Shoe cleaning and polishing machine : en fr
  • US2073555A - Switch : en
  • AU198836A - Improved packing material : en
  • US2073116A - Vat dyestuff preparations : en
  • US2073252A - Temperature display device : en
  • DE642598C - Device for microscopes to determine the relative proportions of batches of a layer to be examined : de en
  • GR6351B - AUTOMATIC PHONE LINE FOR WARNING FIRE DISTANCE TO ANY PHONE AUTOMATIC TYPE SIEMENS FIRE EXTINGUISHING. : el en
  • US2073369A - Eraser attachment for lead pencils : en
  • FR809962A - Single twist wire mesh gabion with frame : en fr
  • GB462733A - Improved means for detecting electrically the presence of gas or fire-damp in mines and other places : en
  • DE548950C - Electric roadside contact device for the automatic actuation of signals to regulate the traffic in unclear places : de en
  • US2073034A - Radio broadcasting and communication system : en
  • CA364567A - Die casting alloy : en fr
  • FR809708A - Luminous advertising device : en fr
  • GB462543A - Improvements in or relating to alternators for electric power systems : en
  • GB462496A - Improvements in or relating to electric cables : en
  • GB462642A - Improvements relating to the prevention of scale deposits in service hot-water supply systems : en
  • US2073065A - Chair : en
  • US2073230A - Composite garment : en
  • US2073439A - Batter pump with drip eliminating means : en
  • US2072857A - Permanent waving apparatus : en
  • GB462326A - An improved medicine for the cure of cough and worm in the throat of sheep and cattle : en
  • US2073490A - Underfloor duct system : en
  • AT148899B - Device for automatic or manual switching of a gearbox in motor vehicles. : de en
  • AT148947B - Magnetic frame for small machines, in particular wheel light machines. : de en
  • AT148832B - Shoe made of felt or similar material. : de en
  • US2073314A - Adjustable filter mount : en
  • CA364706A - Metal article treating apparatus : en fr
  • US2073072A - Regulating apparatus : en
  • US2073212A - Process for the production of photolike multitoned prints : en
  • US2073568A - Manually operable selector : en
  • GB462544A - Improvements in and relating to cinematograph projectors : en
  • AU100374B2 - Improvements in or relating to calculating machines : en
  • FR809787A - Process for fixing fibrous material or other suitable substances on textiles and device for carrying out this process : en fr
  • FR809932A - Primers : en fr
  • US2073246A - Integrating means : en
  • US2072896A - Cover for the spare tires of automobiles : en
  • US2073073A - Stabilization of low boiling hydrocarbon oils and particularly cracked hydrocarbon vapors : en
  • US2073214A - Automatic clutch for motor vehicles : en
  • GB462526A - Improvements in machines for dressing fish : en
  • FR809679A - Refractory product and its manufacturing process : en fr
  • GB462316A - A composition for the cultivation of mushrooms and process for preparing same : en
  • GB462539A - Improvements in or connected with the construction of aircraft bodies, wings and aerofoils : en
  • GR6345B - MIXER SPRAYER. : el en
  • DE642584C - Iron rail pad for concrete sleepers : de en
  • FR809676A - Improvements to folding doors and windows and other similar items : en fr
  • GB462486A - Improvements in steering gear : en
  • GB462715A - Improvements in the manufacture and production of azo dyestuffs : en
  • CA364654A - Valve core : en fr
  • GB462516A - Improvements in or relating to coking, or coal distillation apparatus : en
  • US2073189A - Pantograph trolley : en
  • US2073142A - Loading machine : en
  • USD103535S - Design for a bottle : en
  • AU151036A - Improvements relating to high frequency coupling arrangements for carrier wave systems : en
  • DE642551C - Switching device for the purpose of energy recovery in grid-controlled rectifiers : de en
  • AT148887B - Machine for the production of cap boxes with inserted frame neck. : de en
  • US2073009A - Oiler for tools operated by fluid pressure : en
  • FR809603A - Azo dyes and their production process : en fr
  • FR809671A - Improvements to devices comprising luminous electric discharge tubes, in particular for advertising uses : en fr
  • GB462403A - Improvement in air horn system : en
  • DE642569C - Device for transferring the material to be conveyed from the upper run of a conveyor belt rotating in a vertical plane to the lower run : de en
  • FR809986A - Process for preparing anthraquinone series tank dyes : en fr
  • US2073296A - Neon sign : en
  • US2073104A - Circuit breaker : en
  • US2073242A - Wrap stripe fabric and method of knitting the same : en
  • US2073542A - Boot tongue : en
  • AT148904B - Multi-stage speed change transmission with pre-selection of stages for motor vehicles. : de en
  • FR809661A - Device for fixing the flanges to the wheels covering the spokes : en fr
  • GB462520A - Improvements in or relating to manifolding material : en
  • DE642559C - Process for the distillation of tar using the palpable heat of hot distillation gases : de en
  • DE642617C - Excavator with a conveyor belt arm that carries the excavator at the free end and can be moved against the excavator shock : de en
  • GB462362A - A new or improved register viewing device : en
  • US2073131A - Conveyer : en
  • FR809668A - Process for producing protective layers on photographic material : en fr
  • US2073319A - Switch : en
  • US2072932A - Method of and apparatus for controlling electric circuits : en
  • US2073041A - Onion set harvesting machine : en
  • FR809788A - Fastening device for upholstery : en fr
  • GB462517A - Improvements in or relating to change-box motions for looms for weaving : en
  • FR809992A - Multi-stage negative feedback amplifier : en fr
  • GB462505A - Improvements in or relating to electric switches : en
  • DE642715C - Iron pit stamp : de en
  • USD103525S - Design for a net fabric or similar : en
  • US2073094A - Adjustable obstetrical chair : en
  • US2073050A - Train dispatching system for railroads : en
  • US2073373A - Trap : en
  • AT148902B - Two-stage compressor. : de en
  • DE642572C - Device to protect grid-controlled rectifiers in the event of a backfire in the rectifier or a short circuit on the DC side of the rectifier : de en
  • GB462321A - Improvements in or relating to oxygen evolving compositions for use, for example, in conditioning air for respiration : en
  • USD103545S - Design for a dress : en
  • FR809901A - Troubleshooting indicator with drum support or universal support : en fr
  • US2072976A - Water purification : en
  • FR809979A - Process for separating low ash coal particles from ash rich particles : en fr
  • DE642698C - Gang saw : de en
  • GB462406A - A new or improved fitting forming a locking arrangement for sliding lights, shutters and windows : en
  • DE642549C - Process for the preparation of arylaminonaphthalene compounds : de en
  • DE642664C - Gear part of variable diameter : de en
  • CA364559A - Life preserver : en fr
  • AT148759B - Burners for furnaces operated with liquid fuel atomized by steam. : de en
  • FR810001A - Device for hydraulic remote control devices on board airplanes : en fr
  • US2073144A - Process of heat application and equipment therefor : en
  • USD103522S - Design for a coated fabric : en
  • GB462318A - Improvements in or relating to swimming machines : en
  • GB462525A - Improvements in or relating to film magazines : en
  • GB462637A - Improvements in and relating to the arrangement of electrode wires or threads in electrical gas purifiers and similar apparatus : en
  • US2073066A - Caster : en
  • US2073091A - Absorption refrigerating system : en
  • US2073245A - Dielectric medium : en
  • US2073267A - Vehicle spring suspension device : en
  • GB462460A - Improvements in receivers for radio communication : en
  • US2072975A - Radiator : en
  • DK52786C - Ceiling box for electrical house installations. : da en
  • GB462542A - Improvements in or relating to elastic bushings : en
  • FR810023A - : fr
  • US2073055A - Hand brake : en
  • AT148898B - Rack and pinion steering, in particular for motor vehicles. : de en
  • FR809753A - Alloys for sealing in glass : en fr
  • FR809658A - Device for the automatic lifting of the multi-blade frame of saws for marble or similar materials : en fr
  • FR809763A - Device for changing the pitch of the propeller blades : en fr
  • FR809997A - Box changing device for looms : en fr
  • US2073565A - Electric circuit breaker : en
  • US2073080A - Process for lowering the pour points of mineral oils : en
  • US2073194A - Fur cutting machine : en
  • US2073383A - Lifeboat propelling mechanism : en
  • AU100392B2 - Improved packing material : en
  • DE642547C - Device for sifting and removing dust by means of centrifugal force : de en
  • CA364614A - Wheel : en fr
  • US2072991A - Buttonhole sewing machine : en
  • US2073085A - High frequency feeder arrangement suitable for use with radio aerial systems : en
  • US2073376A - Single delivery dispensing container : en
  • AT148862B - Roof tiles. : de en
  • FR810030A - Television signal rectification : en fr
  • US2073404A - Motor and driven element assembly : en
  • AT148833B - Process for operating motor vehicles with wood gas or charcoal gas. : de en
  • FR809707A - Piston improvements : en fr
  • FR809922A - Activated carbon manufacturing process : en fr
  • GB462534A - Improvements relating to cookers : en
  • GB462436A - Improvements in modulated carrier wave communication systems : en
  • GB462680A - Improvements relating to the electrical equipments of motor vehicles : en
  • GB462511A - Improvements in apparatus for carrying out the synthesis of resins from glycerol and phthalic acid : en
  • FR809993A - Preparation of 1. 4. 5-tribenzoylamino-8-oxyanthraquinones : en fr
  • AT148922B - Electrical resistance with a negative temperature coefficient from a sintered mixture. : de en
  • CA364668A - Vacuum mechanism for paper machines : en fr
  • FR809692A - Jumper for files : en fr
  • FR809794A - Mechanism for drawing or retaining fibers for preparation and spinning looms, and looms including application : en fr
  • GB462347A - Improvements relating to ignition means for rotary valve internal combustion engines : en
  • GB462650A - Carboxylic acid amides derived from aza compounds : en
  • USD103519S - Design for a shade bracket or simi : en
  • FR810015A - Improvements to bolts and their manufacturing process : en fr