• US2206679A - Furnace arch construction : en
  • US2206809A - Projectile : en
  • AU366839A - Improvements in or relating to knitted fabric andthe method of making same : en
  • US2206682A - Transmitter : en
  • USD121341S - Design fob an earring or similar article : en
  • CA389675A - Emulsifier : en fr
  • CA389727A - Food processing apparatus : en fr
  • US2206807A - Hearing device : en
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  • GB522950A - Improvements in or relating to belt-conveyors for use in connection with the transportation, disposal or distribution of materials : en
  • US2206726A - Rubber toothbrush : en
  • US2206302A - Wringer roll stop mechanism : en
  • AU284939A - Improvements relating tothe manufacture of textile fabrics and particularly textile articles of wearing apparel : en
  • CA389710A - Lamp socket : en fr
  • DE693309C - Spring scales, especially for displaying the weight of the contents of steel bottles for liquefied gases : de en
  • US2206254A - Suction nozzle : en
  • US2206719A - Fermented liquor : en
  • US2206498A - Journal box : en
  • US2206545A - Doll's eye : en
  • US2206308A - Induction motor : en
  • US2206402A - Bathing cap : en
  • US2206491A - Thermionic valve : en
  • US2206541A - Fire extinguisher : en
  • US2206372A - Method of manufacturing secondary emitting electrodes : en
  • DE693243C - Diaphragm compressor or pump : de en
  • CA389768A - Electron tube : en fr
  • ES144756A1 - Procedure to obtain an alloy steel for cutting and shaving tools. : en es
  • ES144679A1 - Procedure for obtaining capillary active agents. : en es
  • DE693233C - Procedure and facility for regulating and securing railway operations : de en
  • DE693174C - Rail current switch : de en
  • CA389726A - Congelation and agitation apparatus : en fr
  • US2206382A - Photographic view finder : en
  • US2206444A - Guard for automobiles : en
  • CA389707A - Electrical control equipment : en fr
  • DE693368C - Fluid damping for the brake or clutch of sliding armature motors : de en
  • US2206064A - Metal treating process : en
  • ES144461A1 - Device and procedure for the separation of droplets of liquids and particles from ordinary dust of gases and vapors. : en es
  • GB522966A - Electro-acoustic announcing device for transportation means : en
  • US2206198A - Recovery of tar acids or phenols from tars or tar oils : en
  • US2206200A - Process for cracking and hydrogenating bituminous oils : en
  • US2206044A - Envelope construction : en
  • US2206379A - Preparation of pentaerythritol : en
  • DE693208C - Process for the direct production of baking flour from cereals or other kernels : de en
  • USD121279S - Design for a game board : en
  • US2206304A - Folding container : en
  • US2206801A - Apparatus for internally striping can body side seams : en
  • US2206638A - Suppression of interference : en
  • DE693201C - Main flow evaporative heat meter system : de en
  • GB522921A - Sighting device for anti-aircraft guns : en
  • GB522929A - Improvements in or relating to magneto-strictive echo sounding apparatus : en
  • US2206279A - Case loader : en
  • US2206122A - Storage battery : en
  • US2206555A - Railway signaling system : en
  • DE693222C - Shower head for bathing purposes with two mutually rotatable base plates : de en
  • ES144844A1 - A filled body for gas protection filters, especially composed of fibers. : en es
  • US2206020A - Apparatus for cathode disintegration : en
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  • GB523045A - Improved method and device for producing noiseless sound records : en
  • US2206432A - Mechanism for drawing fibers in textile machines : en
  • US2206457A - Eraser for mechanical pencils : en
  • US2206730A - Lubricating saw handle : en
  • US2206559A - Harness cord end member for looms : en
  • US2206848A - Water-tight container : en
  • USD121310S - Design for a woven pile fabkic : en
  • CA389709A - Electric lamp : en fr
  • US2206270A - Scrap separator and material piler : en
  • US2206440A - Apparatus for exposing liquids to direct contact with air or gases : en
  • US2206574A - Concentration of ores and other minerals by the sink and float process : en
  • AU272239A - Improvements relating to discharge means for tipping vehicles : en
  • US2206039A - Orthopedic apparatus : en
  • US2206184A - Stabbing guide : en
  • DE693050C - Circuit arrangement in telecommunications systems, in particular telephone systems, for dialers with individual motorized drives : de en
  • DE682730C - Device for adjusting gear or components : de en
  • DE693104C - n Rollers for cooling pipes : de en
  • DE693042C - Switching device for several electromagnetically adjustable transmission parts, especially in gear change transmissions : de en
  • DE693365C - A ring of mercury connecting the contacts is created : de en
  • DE693310C - Light lock for recording sound vibrations : de en
  • US2206659A - Communication system : en
  • DE693045C - Ironing mechanism for letter folder : de en
  • ES144831A1 - A television system with interlaced lines. : en es
  • DE693047C - Process for the recovery of calcium hypochlorite compounds : de en
  • DE693204C - Mean value meter for operational monitoring or the like : de en
  • ES144699A1 - A device for the transport of floury or granular material. : en es
  • DE693109C - Device to protect steam turbines from excessive axial displacement of the shaft : de en
  • ES144631A1 - Improvements in diffusion procedures and apparatus, particularly for the extraction of sugar from beets. : en es
  • GB522900A - New or improved driving arrangement for motor vehicles : en
  • DE693134C - Automatic trailer coupling, especially for motor vehicles : de en
  • GR9078B - METHOD AND MEANS OF MAINTENANCE AND TRANSPORTATION OF FRESH GRAPES. : el en
  • DK57739C - Paint spreader for applying paint to stamps. : da en
  • US2206093A - Vacuum pump : en
  • US2206737A - Combination automobile wheel and tire : en
  • US2206755A - Hinge for refrigerator doors : en
  • US2206123A - Power supply device : en
  • DE693065C - Process for de-liming ashed hides and skins : de en
  • DE693209C - Paper for packaging purposes, especially in the form of bags, sacks, z. B. cement bags : de en
  • US2206740A - Nut and method of forming same : en
  • USD121314S - Design fob a plate ob similab abticle : en
  • US2206339A - Cast cutting guide : en
  • US2206496A - Motor control system : en
  • US2206507A - Device for breaking froth : en
  • US2206191A - Drip dispenser : en
  • US2206377A - Catalytic oxidation of benzene : en
  • US2206814A - Windshield clearing system : en
  • USD121313S - Design for a woven pile fabric : en
  • US2206731A - Poultry-plucking machine : en
  • US2206167A - Process for manufacturing fatty esters : en
  • US2206804A - Antiseptic : en
  • USD121271S - Combined lamp and radio receiving set : en
  • US2206536A - Fastener : en
  • AU110853B2 - Improvements in or relating to secret communication systems : en
  • DE693218C - Device for guiding double tapes in front of the take-up spool on roving machines : de en
  • CA389743A - Optical apparatus : en fr
  • US2206102A - Electric switch : en
  • US2206258A - Impeller : en
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  • AU327739A - Process forthe working up of residues ofthe hydrogenation under pressure of distillable carbonaceous materials : en
  • DE693021C - Process for the preparation of monoazo dyes : de en
  • DE693225C - Rolling mill with several frames containing one behind the other and alternately vertical and horizontal rolls : de en
  • GB523110A - Improvements in covering objects with a foil of polyvinyl chloride : en
  • DE693250C - Liquid heater : de en
  • GB523032A - Improvements in or relating to mechanical shavers and hair cutters : en
  • GB522937A - Improvements in and relating to magnetic separators : en
  • GB522970A - Improvements in and relating to change-speed gear control devices : en
  • US2206569A - Fishing appliance : en
  • US2206141A - Tens-transferring mechanism : en
  • US2206285A - Sewing machine : en
  • GB523055A - Improvements in or relating to dynamo electric generators : en
  • US2206114A - Time controlled switch for radio receiving sets : en
  • GB522963A - Improvements in or relating to building construction : en
  • US2206795A - Horn expander for can body making machines : en
  • US2206291A - Universal coupling : en
  • US2206808A - Tubular elastic fabric and process of making same : en
  • US2206667A - Direct current motor : en
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  • GB523014A - Improvements in and relating to steam superheating apparatus : en
  • GB523143A - Improvements in and relating to diesel fuels : en
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  • DE693297C - Process for painting or insulating technical equipment, components and structures : de en
  • DK57750C - Chicken nest with a separate egg collection room located under the egg laying room. : da en
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  • CA389783A - Building block or brick : en fr
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  • US2206411A - Refrigeration : en
  • US2206050A - Electrolytic device : en
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  • DE693157C - Multi-layer protective paper for photographic use : de en
  • GB522987A - Improvements in or relating to the production of double fluorides of alkali metals and aluminium : en
  • GB522975A - Improvements in or relating to radio receivers employing automatic frequency control : en
  • DE693341C - non-breaks : de en
  • USD121325S - Design for a scooter : en
  • US2206263A - Locomotive draft duct : en
  • US2206160A - Lifesaving device : en
  • US2206425A - Safety valve : en
  • US2206601A - Relief valve for hot water tanks and heating systems : en
  • US2206707A - Sealing device : en
  • DE693058C - Containers made from quartz or high-silica glasses, in particular metal vapor discharge lamps : de en
  • DE693097C - Multi-phase shunt commutator motor with stator excitation winding : de en
  • GB523113A - Improvements in or relating to folding tables : en
  • DE693144C - hbehaelter whose wall that acts as an abutment during the pressing process can be exposed : de en
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  • AU110866B2 - Improvements in or relating to hair waving apparatus : en
  • CA389730A - Phenol preparation : en fr
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  • US2206564A - Wardrobe suitcase : en
  • US2206046A - Cellulosic pellicles coated with antisticking agent : en
  • US2206313A - Sandwich cooky machine : en
  • US2206703A - Wire reinforced cord set : en
  • US2206337A - Method of decolorizing liquids : en
  • ES144307A1 - Improvements in the manufacture of reinforced concrete joists double "t" profile with unified device for the subjection of the reinforcement of the ceilings. : en es
  • GB522965A - Improvements in or relating to electric relay devices : en
  • US2206428A - Refrigerating apparatus : en
  • US2206398A - Boiler : en
  • US2206045A - Shorting device : en
  • US2206774A - Power sewing machine table : en
  • DE693358C - e Slabs of concrete pavements : de en
  • US2206418A - Cooling arrangement for air-cooled aircraft engines : en
  • US2206743A - Addressing machine for multisection bills : en
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  • US2206016A - Case shift mechanism for typewriting machines : en
  • US2206828A - Conveyer : en
  • US2206671A - Surfacing : en
  • US2206688A - Vaporizer : en
  • US2206841A - Controlling device for printing machines : en
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  • US2206634A - Process for the production of radioactive substances : en
  • USD121293S - Design fob a spray head or similar article : en
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  • US2206592A - Articulated locomotive : en
  • US2206614A - Power hack saw : en
  • ES144926A1 - A procedure to hold the aerosol filters in the box of the gas protection filters. : en es
  • US2206453A - Telegraph testing apparatus : en
  • US2206689A - Refrigerated display cabinet : en
  • US2206100A - Stabilized compartment for ships : en
  • US2206228A - Apparatus for nesting flat drinking cups : en
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  • US2206403A - Wall : en
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  • US2206107A - Electric safety switch : en
  • US2206267A - Tumbler handling apparatus : en
  • ES144408A1 - Method and mechanism for the manufacture of threads or similar and other products obtained from glass. : en es
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  • GB523125A - Improvements in welded steel pipe structures for aeroplanes : en
  • GB523090A - Improvements in or relating to the production of printed textile fabric : en
  • GB523088A - Improvements in and relating to the smoking of bacon : en
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  • US2206293A - Multiple wedging tool assembly : en
  • US2206589A - Petroleum demulsifying reagent and process : en
  • US2206645A - Monitoring optical system for sound film apparatus : en
  • DE693177C - Circuit arrangement for telecommunications systems, in particular telephone systems : de en
  • DE693265C - Respiratory protection filter : de en
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  • US2206824A - Device to gasify fuel oil : en
  • AU483039A - Feeding device for crushers and method of controlling the feed of particles thereto : en
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  • ES144602A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144587 : en es
  • US2206262A - Pack of gaskets : en
  • US2206724A - Calculating machine : en
  • GB522946A - Improvements in permeability tuner : en
  • US2206156A - Conveyer : en
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  • GB522964A - Improvements in and relating to hydro-turbine pumps and the like : en
  • DE693302C - : de en
  • DE693227C - Process for the recrystallization of pentaerythritol tetranitrate : de en
  • DE693352C - : de en
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  • GB523134A - Improvements in or relating to photographic shutters : en
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  • US2206854A - Apparatus for stenciling articles : en
  • US2206527A - Photoelectric reading system : en
  • US2206855A - Lip-setting and trimming machine : en
  • DK57742C - Electrical Fuse for High Voltages and Voltages. : da en
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  • ES144360A1 - Security device to detach the trigger of the automatic pistols. : en es
  • DE693286C - Entry roller table for the cooling beds of rolling mills : de en
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  • US2206131A - Process for making corrected magnesia refractories : en
  • US2206776A - Boiler composition : en
  • ES144597A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144589 : en es
  • DE693023C - Process for the preparation of polyazo dyes : de en
  • GB523106A - Improvements in and relating to electrically heated melting pots for typographical casting machines : en
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  • US2206083A - Rack : en
  • US2206642A - Composition of matter and process of producing it : en
  • US2206575A - Spectrophotometer : en
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  • GB523011A - Improvements in and relating to industrial trucks : en
  • US2206502A - Shaped material for casting dentures : en
  • US2206357A - Production of casein : en
  • DE693295C - Small electric machine, especially for speedometers : de en
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  • DE693240C - Method and device for examining objects by means of neutrons and X-rays : de en
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  • US2206643A - Organic polysulphide cement and process of making the same : en
  • AU286239A - Improvements in means for visually indicating when a motor vehicle is about to turn or stop : en
  • GB523099A - Improvements in or relating to plate-shaving machines : en
  • GB523130A - Improvements in the polymerisation of butadienes in aqueous emulsion : en
  • US2206409A - Change-speed gear, especially for motor vehicles : en
  • GB522924A - Improvements relating to the arrangement of liquid cooling radiators in aeroplanes : en
  • GB522942A - Improvements in or relating to apparatus for testing gas : en
  • GB522959A - Improvements in ray therapy apparatus : en
  • AU223739A - Improvements in or relating to frequency modulation receivers : en
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  • GB522979A - Improvements in linings for air-raid shelters, underground roadways, tunnels and like constructions : en
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  • GB523006A - Improvements in or relating to the destructive distillation of carbonaceous materials : en
  • USD121305S - Design for a magazine holder : en
  • DE693031C - Shock absorber device for typewriter carts : de en
  • ES144834A1 - A new heliographic procedure. : en es
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  • CA389756A - Ester salt of parahydroxybenzoic acid : en fr
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  • GB523136A - Improvements in or relating to photographic shutters : en
  • GB523060A - Improvements in capacity loaded aerial conductors : en
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  • GB522948A - Improvements in ring-spinning machines, ring-doubling machines and like machines for winding yarn or thread on spindles or other bodies : en
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  • DE693242C - Diaphragm compressor or pump : de en
  • US2206209A - Closure for receptacles : en
  • GB523144A - Improvements in or relating to x-ray installations comprising a grid-controlled switching tube : en
  • US2206119A - Building heating and cooling system : en
  • US2206312A - Cooky cutting mechanism : en
  • AU110890B2 - Improvements in clips for contact andother wires and methods of manufacture thereof : en
  • CA389792A - Paper carrier sheet for tacky rubber : en fr
  • AU526439A - Improvements in or relating to couplings : en
  • CA389785A - Refrigerator car : en fr
  • CA389694A - Tobacco curing device : en fr
  • AU477439A - Television synchronizing system : en
  • USD121290S - Design for a lighting fixture : en
  • US2206297A - Cotton picker : en
  • US2206576A - Magnetostrictive device for light valves : en
  • SE99251C1 - : en
  • US2206274A - Fishing tackle : en
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  • CA389778A - Circular rib knitting machine : en fr
  • US2206013A - Display cover for boxes : en
  • US2206618A - Apparatus fob measuring and de : en
  • GB522956A - Improvements in or relating to record controlled statistical machines : en
  • DE693160C - Milk can cleaning machine : de en
  • US2206168A - Process for manufacturing fatty esters : en
  • US2206735A - Constant velocity joint : en
  • USD121300S - Design for a liquid dispenser : en
  • DE693246C - Device for simultaneous spinning and twisting of artificial threads : de en
  • AU110863B2 - Television synchronizing system : en
  • AU110870B2 - Improvements in or relating to apparatus for removing carbon deposit fromthe valves of internal combustion engines : en
  • DE692179C - Device for opening and inserting box handles into box parts : de en
  • DE693060C - Heat-resistant coils and windings : de en
  • ES144592A1 - A procedure to obtain gasiform olefins, liquid fuels for engine service. : en es
  • GB522988A - Improvements in or relating to gas driers : en
  • AU110859B2 - Improvements in or relating to knitted fabric andthe method of making same : en
  • DE693186C - Electrostatic deflection device for cathode ray tubes : de en
  • DE693191C - Device for determining the heat conversion efficiency of the combustion system of a portable boiler, in particular a central heating boiler : de en
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  • AU110892B2 - Method of and apparatus forthe preparation offish for canning or other processing purposes : en
  • GB522976A - Improvements in or relating to modulation systems for modulating generators of high frequency electrical oscillations : en
  • US2206060A - Method and apparatus for fiberizing vitreous material : en
  • AU526539A - Process and apparatus for producing zinc : en
  • US2206314A - Box : en
  • US2206540A - Temperature compensated fluid measuring system : en
  • US2206676A - Brake beam : en
  • US2206408A - Meter socket : en
  • USRE21499E - Refuse vehicle and the like : en
  • US2206033A - Stoker air control : en
  • US2206769A - Machine for finishing surfaces : en
  • AU110862B2 - Improvements in or relating to thermionic valves incorporating guiding grids : en
  • AU110858B2 - Froth flotation process and apparatus : en
  • AU275139A - Electron discharge device employing successive multiple secondary emissions : en
  • DE693135C - Device for vehicles with multi-wheel steering for switching on and off the steering device of part of the vehicle wheels : de en
  • DE693337C - Drawer storage, especially for cash registers : de en
  • US2206505A - Sport trousers : en
  • US2206604A - Brake : en
  • US2206694A - Flowerpot saucer : en
  • AU281039A - Improvements in thermostatic means for controlling the supply of current to electric vessels for heating liquids : en
  • DE693020C - Process for the preparation of monoazo dyes : de en
  • AU110871B2 - Improvements in bonded refractory material and method of making same : en
  • DE678638C - Device for generating oxygen : de en
  • US2206448A - Softened rubber : en
  • DE693032C - Method of making molds : de en
  • US2206422A - Legless table : en
  • US2206260A - Metal container : en
  • US2206362A - Prepared fire kindler : en
  • US2206704A - Elastic fluid generator : en
  • US2206673A - Liquid spraying apparatus : en
  • USD121287S - Design for a textile fabric : en
  • USD121294S - Design for an buluminating device for instruments : en
  • AU110842B2 - Improvements relating to discharge means for tipping vehicles : en
  • US2206177A - Charging machine : en
  • AU110881B2 - Improvements in building materials for decorative purposes containing asbestos cement orthe like : en
  • ES144760A1 - A PROCEDURE FOR THE MANUFACTURE OF PLASTIC MATERIALS, STARTING FROM INORGANIC PRODUCTS AND PRODUCTS THAT RESULT FROM THESE : en es
  • AU283739A - Oscillation generators : en
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  • DE693187C - Luminescent screen for Braun tubes and process for its manufacture : de en
  • US2206074A - Stake truck body construction : en
  • US2206348A - Vertically vibrating diaphragm pulp screen : en
  • USD121344S - Design for a shoe : en
  • US2206326A - Self-locking hinge : en
  • US2206597A - Coating metal articles : en
  • GB523067A - Improvements in signal receivers for carrier telephony systems : en
  • US2206037A - Arc welding apparatus : en
  • DE693179C - Method for reducing the crosstalk coupling of the individual cores of a star quad : de en
  • ES144444A1 - Procedure and devices for tempering leaves and other glass objects. : en es
  • USD121268S - Textile fabric or similar article : en
  • CA389701A - Rail joint : en fr
  • CA389679A - Run-resistant stocking : en fr
  • GB522919A - Improvements in photographic photo-electric exposure meters : en
  • AU110851B2 - Improvements in or relating to frequency modulation receivers : en
  • US2206282A - Method and means for testing sugar : en
  • US2206770A - Surface shaving : en
  • CA389677A - Fastener : en fr
  • US2206461A - Deep well pump : en
  • US2206685A - Catalyzer : en
  • US2206558A - High voltage vacuum tube : en
  • US2206615A - Tip for small bases : en
  • DE693009C - Sheet metal tab : de en
  • ES144598A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144586 : en es
  • DE693067C - Spring base for seating and reclining furniture : de en
  • DE693072C - Device for inserting preformed protective rings for socket connections with roll seals : de en
  • DE693018C - Braun tubes with one or more nets in front of the fluorescent screen : de en
  • DE693162C - Mechanical chain thread monitor : de en
  • US2206229A - Machine for grinding and making ready printing plates : en
  • US2206317A - Loose leaf binder : en
  • US2206347A - Collapsible cabinet : en
  • US2206594A - Diesel fuel : en
  • USD121343S - Panel tor an astrological and mystic robot : en
  • CA389713A - Lamp filament : en fr
  • DE693234C - Power transmission arrangement for motorized vehicles, especially motor vehicles, with internal combustion engine and electric motor : de en
  • DE693262C - contraption : de en
  • DE693298C - Monitoring device for pressure-fired furnace systems, especially brick kilns : de en
  • DE693189C - Automatically controlled drive device for electrical flash welding machines : de en
  • US2206595A - Method and apparatus for continuous counter-current solvent extraction of solid materials : en
  • US2206817A - Precision spirit level : en
  • GB523068A - Improvements in or relating to signal receivers for carrier-telephony systems : en
  • US2206017A - Case shift mechanism for typewriting machines : en
  • GB522935A - An improved device comprising a combustion chamber for the production of gases intended to perform useful work outside the chamber : en
  • US2206205A - Brick formation : en
  • US2206619A - Wheat crisp : en
  • US2206561A - Transparent holding device : en
  • US2206677A - Method and means for preparing wells for cementing : en
  • USD121327S - Design for a control desk : en
  • DE693146C - Corrosion-resistant objects with good hardenability, great hardness and easy processing : de en
  • GB522982A - Improvements in polymerization : en
  • GB523118A - Release device for flashlights : en
  • DE693288C - Radial impulse turbine with speed gradation : de en
  • US2206535A - Stripping dyed textile : en
  • DE693212C - Change gear for bicycles : de en
  • GB523097A - Improvements in or relating to rotary valves for internal combustion or other engines, air compressors or pumps : en
  • US2206480A - Fly swatter : en
  • USD121312S - Design for a woven pile fabric : en
  • GB522981A - Improvements in polymerization products : en
  • ES144548A1 - A method and device for making ice, respectively, for the cooling of liquids at a low temperature. : en es
  • DE693314C - Threshing device : de en
  • DE693363C - Fastening of metal parts in molded insulating material, in particular of terminals for electrical lines : de en
  • GB523004A - Improvements in or relating to electric selectors : en
  • US2206342A - Motor vehicle : en
  • US2206612A - Rake : en
  • US2206792A - Resistance material and method of making same : en
  • DE693228C - Regulator arrangement for small steam turbines : de en
  • GB523137A - Improvements in internal combustion engines of the liquid fuel injection type : en
  • GB523052A - Improvements in or relating to sanitary towels : en
  • US2206194A - Method of producing rimmed steel ingots : en
  • USD121274S - Wrapping paper or similar article : en
  • US2206153A - Sole and heel applicator : en
  • US2206477A - Grinding mill : en
  • DE693348C - Arrangement for the transmission of signals in coke oven batteries : de en
  • ES144835A1 - A procedure for straightening the floor in series production operations. : en es
  • USD121273S - Combined electric push button and escutcheon plate : en
  • ES144585A1 - A procedure for obtaining lubricating oils. : en es
  • US2206152A - Process of sulpnurizing oils : en
  • USD121309S - Design foe, a toy lighthouse combination : en
  • GB523070A - Improvements in or relating to traffic control systems : en
  • US2206296A - Method and apparatus for working cylindrical sheet metal articles having closed bottoms : en
  • US2206484A - Hand sewing machine : en
  • ES142930A1 - An apparatus for manufacturing circular fabrics with consistent vegetable fibers. : en es
  • USD121337S - Door suitable foe ovkns or the like : en
  • GB523062A - Improvements in or relating to optical objectives : en
  • DE693236C - Frequency transmitters affected concentric broadband cables : de en
  • DE693330C - outside the dial lighting of radio equipment : de en
  • DK57748C - Apparatus for time-adjustable Control of a Central Heating System's Heat output. : da en
  • DK57755C - Manhole cover with associated frame. : da en
  • ES144351A1 - A frame for reinforced concrete constructions and procedure for its manufacture. : en es
  • US2206417A - Cowling for aircraft engines : en
  • DE693036C - Inclinometers for vehicles, in particular aircraft : de en
  • GB523051A - Improvements in the manufacture of non-metallic electric resistance materials : en
  • DE693364C - Device for switching off alternating currents of higher frequency : de en
  • US2206015A - Aircraft machine gun camera : en
  • US2206239A - Computing counter : en
  • US2206554A - Fastening device : en
  • US2206560A - Lantern : en
  • US2206757A - Manufacture of spongy and cellular products from rubber and rubberlike materials : en
  • GB523036A - Improvements in or relating to liquid pressure remote control systems : en
  • CA389711A - Electric incandescent lamp : en fr
  • DE693152C - Foot insert : de en
  • DE693079C - Friction bar for single and multi-roller mills : de en
  • DE693380C - Device for the photographic recording of current-voltage curves in electrolysis : de en
  • GB522992A - Improvements in or relating to records for controlling statistical machines : en
  • DE693313C - from vibration : de en
  • US2206106A - Photographic camera : en
  • US2206352A - Cord take-up : en
  • AU525439A - Improvements in bonded refractory material and method of making same : en
  • GB523049A - Improvements in straight-bar knitting machines : en
  • CA389744A - Card sorting machine : en fr
  • US2206557A - Process for making insulating materials : en
  • CA389809A - Screened work copy production : en fr
  • ES144590A1 - A PROCEDURE FOR OBTAINING LUBRICATING OILS OF DETERMINED VISCOSITY : en es
  • US2206578A - Railway signaling apparatus : en
  • GB523035A - The manufacture of new azo dyestuffs : en
  • US2206720A - Electrical condenser : en
  • US2206381A - Film magazine : en
  • GB523092A - Improvements in or relating to photographic cameras : en
  • DE693175C - osser and suppression of small amplitudes in transmission systems : de en
  • DE693360C - Locking device for tilting vessels in the tilting position : de en
  • DE693077C - Device for comminuting hard materials, in particular bones : de en
  • DE693215C - Bung socket or tap hole socket closure, especially for beer kegs : de en
  • US2206392A - Process of producing colored oxide coatings on nickel and nickel alloys : en
  • US2206201A - Tile and retaining means therefor : en
  • DE693256C - . like : de en
  • DE693271C - Disc gas container : de en
  • DE693373C - Process for the production of glass leather and similar leather : de en
  • US2206522A - Ticket holder : en
  • DE693307C - Arrangement for gas-tight fastening : de en
  • AU513739A - Machine for filling forms with biscuit material : en
  • US2206150A - Container closure : en
  • US2206553A - Method of burning fluid fuels : en
  • US2206764A - Rotary cutter : en
  • US2206049A - Self-locking container : en
  • US2206104A - Separable hinge structure : en
  • US2206410A - Core for forming concrete conduits : en
  • US2206620A - Compensator mechanism : en
  • US2206226A - Process of preparing a cadmium metaphosphate catalyst : en
  • AU492039A - Improvements in or relating to hair waving apparatus : en
  • US2206526A - Eccentric power yoke : en
  • CA389681A - Sign : en fr
  • CA389758A - Sulphonated product : en fr
  • USD121331S - Design for a plate or similar article : en
  • AU110886B2 - Improvements in or relating to sound excluding ventilating windows : en
  • US2206486A - Weed guard : en
  • US2206700A - Ring forming machine : en
  • DE693080C - Centrifugal colloid mill : de en
  • AU110856B2 - Improvements in and relating to dynamo electric machines : en
  • AU271939A - Wrapping materials : en
  • US2206144A - Focal plane shutter : en
  • US2206481A - Heat exchange device : en
  • AU180139A - Improvement in bandpass selector systems : en
  • CA389719A - Photographic emulsion : en fr
  • CA389774A - Vehicle suspension means : en fr
  • US2206383A - Watering tray for cages : en
  • US2206678A - Mailbox receiving door : en
  • AU110854B2 - Improvements relating to electric relays : en
  • CA389693A - Shoe shining device : en fr
  • GB522898A - A new or improved waist adjuster for garments : en
  • US2206247A - Game : en
  • US2206365A - Hair dressing comb : en
  • US2206732A - Grinding machine : en
  • US2206752A - Dual axle driving unit for motor vehicles : en
  • US2206831A - Gear and method of making : en
  • DE693075C - Process for cooling substances during grinding and conveying : de en
  • DE693100C - Process for the production of semi-finished products with a homogeneous structure from copper-tin alloys : de en
  • CA389686A - Mop handle : en fr
  • DE693172C - Moving device for sliding doors, especially of rail vehicles and motor vehicles : de en
  • GB523127A - Improvements in optical pyrometers : en
  • GB523103A - A detachable stretcher loading platform unit : en
  • US2206323A - Axle and bearing construction : en
  • US2206094A - Automobile engine light : en
  • AU110847B2 - Electron discharge device employing successive multiple secondary emissions : en
  • DE693300C - Device for easier filling of the sand in molding boxes on molding machines : de en
  • US2206495A - Absorption system for nitric acid : en
  • DE693059C - Electric mixed light lamp, consisting of a high pressure discharge tube and a glow wire serving as a series resistor : de en
  • US2206420A - Level and clinometer : en
  • CA389755A - Amino acid production : en fr
  • DE693128C - Device for harvesting decapitated beets : de en
  • CA389732A - Pipe tee and welding method : en fr
  • GB523000A - Improvements in ring-spinning machines, ring-doubling machines and other like machines : en
  • GR9077B - METHOD FOR THE MANUFACTURE AND USE OF NEW CONCENTRATION PRODUCTS. : el en
  • US2206635A - Tensioning support for visible packages : en
  • USD121302S - Design for a parking meter casing : en
  • US2206063A - Manufacture of nonreusable bottle seal : en
  • US2206622A - Process of degrading protein products : en
  • ES144656A1 - A procedure with the corresponding device, to harden glass. : en es
  • DE693055C - Sliding contact for electrical machines and devices, especially switchgear : de en
  • DE693140C - Plastic for vehicle tires : de en
  • US2206272A - Internal combustion engine : en
  • US2206113A - Protection of autoxidizable materials : en
  • US2206332A - Internal combustion engine : en
  • US2206202A - Motor vehicle : en
  • GB523012A - Improvements in sensitizing photographic emulsions and manufacture of dyes therefor : en
  • GB522949A - Improvements relating to variable pitch propellers : en
  • US2206281A - Display device : en
  • US2206396A - Photographic reproducing apparatus : en
  • US2206517A - Electroacoustic apparatus : en
  • DE693156C - Motion picture projector : de en
  • US2206471A - Safety device : en
  • US2206829A - Soap wrapper : en
  • US2206399A - Production of substantially pure chlorine from gases containing hydrochloric acid : en
  • US2206300A - Package tying machine : en
  • US2206238A - Oscillatory circuits : en
  • US2206826A - Cooling means for liquids : en
  • USD121288S - Design for a textile fabric : en
  • US2206811A - Photographic shutter : en
  • ES144565A1 - A process for the regeneration of catalysts intended for the synthesis of benzine. : en es
  • ES144589A1 - A PROCEDURE FOR OBTAINING LUBRICATING OILS : en es
  • GR9083B - TREATMENT FOR POWDERING, MASHING AS TOBACCO COMPRESSION, OR TOBACCO POWDER OR WASTE DISPOSAL FOR THE PRODUCTION OF TOBACCO PRODUCTS. : el en
  • DE693132C - Distribution device for the pressure medium in compressed air or pressure fluid clamping devices on multi-spindle, automatic rotary arms : de en
  • DE693103C - Adjusting device for the rolls of rolling mills : de en
  • DE693167C - : de en
  • DE693344C - Tool for straightening fenders made of sheet metal : de en
  • DE693287C - Control device for pipe steam generators working with forced flow : de en
  • ES144569A1 - A procedure for obtaining diesel oils. : en es
  • DE693137C - Anti-skid device for motor vehicles : de en
  • DE693121C - Method for the production of a stocking with foot and heel parts according to the French style on the flat weft knitting machine : de en
  • US2206189A - Method of producing a fixed gas : en
  • ES144595A2 - A process for the catalytic reduction of carbon oxide with hydrogen in higher molecular weight hydrocarbons. : en es
  • DE693369C - and an electrode tip, both connected by a ball joint : de en
  • GB522909A - Sterol derivatives and method of preparing same : en
  • GR9080B - MECHANICAL SHAVES. : el en
  • DE693041C - Gear change transmission with permanently engaged gear pairs : de en
  • GB522999A - Improvements in or relating to means for supporting trousers : en
  • DE693371C - Induced draft system for foldable chimneys : de en
  • US2206351A - Preparation of aliphatic acid nitriles : en
  • US2206550A - Remote control apparatus : en
  • US2206734A - Continuous heat treating furnace of the vertical type : en
  • US2206818A - Self-energizing fluid release device : en
  • CA389784A - Railway car roof running board : en fr
  • ES144611A1 - Method for the calcination of the sulfurous mineral in gaseous suspension. : en es
  • GB523025A - Improvements in road surfacing : en
  • GB523002A - Centrifuge for granular material for cleaning and scaling plants : en
  • CA389708A - Electric lamp basing machine : en fr
  • AU110846B2 - Impulse sending device : en
  • AU110849B2 - Improved loader for motor vehicles : en
  • US2206109A - Copper-zinc alloys : en
  • ES144784A1 - A lubrication installation in rail vehicles, to reduce friction between the wheel flanges and the rail heads. : en es
  • GB522951A - Improvements in or relating to electron discharge devices : en
  • CA389739A - Ammonia decomposing apparatus : en fr
  • DK57747C - Whiteboard with transparent Whiteboard. : da en
  • AU110893B2 - Process forthe working up of residues ofthe hydrogenation under pressure of distillable carbonaceous materials : en
  • CA389718A - Photographic emulsion : en fr
  • US2206095A - Mechanical display device : en
  • US2206145A - Air flow choke for bowl mills : en
  • US2206027A - Internal combustion engine : en
  • US2206687A - Pleural diagnosis and treatment : en
  • US2206117A - Recovery of metal values from fume deposits : en
  • US2206547A - Method of making sound films : en
  • AU110867B2 - Improvements in and relating to the chilling of glass for tempering : en
  • CA389687A - Building structure : en fr
  • US2206319A - Vitaminizing coffee : en
  • CA389742A - Wool shears : en fr
  • CA389762A - Hair net : en fr
  • US2206213A - Bowling game board : en
  • US2206338A - Cutter head for shaving machines : en
  • CA389705A - Signalling system control : en fr
  • US2206789A - Artificial fish lure : en
  • DE693118C - End socket for metal mesh hoses for shielding electrical lines : de en
  • DK57744C - PROCEDURE AND MACHINE FOR MANUFACTURING AN INTERMEDIATE PRODUCT OF ARTIFIC FIBERS AS A MATERIAL FOR MANUFACTURE OF YARN OR WIRE. : da en
  • US2206225A - Cabinet : en
  • US2206633A - Dispersion mill : en
  • AU285939A - Improvements in and connected with motor propelled road vehicles as tractors, or means for adapting them as tractors, for use with trailers for forming articulated tractor-trailer vehicles : en
  • US2206043A - Envelope making machine : en
  • US2206715A - Temperature responsive apparatus : en
  • US2206778A - Machine for coating flanged can bodies : en
  • AU274239A - Step-by-step positioning device : en
  • US2206472A - Balancing of rotating bodies : en
  • DE693136C - Arrangement in the case of fluid brakes actuated with a pressure medium, in particular for aircraft : de en
  • AU534339A - Improvements relating to alternating electric current rectifiers ofthe selenium type : en
  • CA389738A - Gasoline recovery : en fr
  • US2206543A - Handkerchief display package : en
  • US2206378A - Apparatus for heating fluids : en
  • DE693296C - Arrangement for the electron-optical imaging of foils with secondary electrons : de en
  • DE693349C - Ring disk made of thin sheet metal for fine edge filter : de en
  • US2206266A - Mixing liquids : en
  • US2206289A - Stable, hydrous, alkaline silicates : en
  • US2206335A - Lubricating apparatus : en
  • CA389703A - Headlight meter : en fr
  • USD121272S - Design fob a portable electric sound transmitter : en
  • US2206722A - Coloring material and method of applying same : en
  • US2206099A - Azo compounds and fiber dyed therewith : en
  • US2206524A - Increasing the range of hydraulic flow : en
  • GB522998A - Improvements in or relating to springs for poppet valves of engines, compressors or the like : en
  • CA389712A - Electric lamp : en fr
  • US2206207A - Bread slicing equipment : en
  • US2206073A - Ignition device : en
  • AU65439A - An airtight covering tobe used inthe preservation of certain articles of food or fruit and method of making and applying thesame : en
  • GB523098A - Improvements in rotary-wing aircraft : en
  • US2206163A - Liquid pressure remote control apparatus : en
  • US2206802A - Wrench : en
  • US2206442A - Snatch block : en
  • US2206847A - Alloy steel : en
  • US2206127A - Vat dyestuffs of the anthraquinone series : en
  • US2206220A - Shield for radiators : en
  • US2206389A - Method of cementing wells : en
  • US2206025A - Carbon solvent and lubricant : en
  • US2206133A - Book holder : en
  • US2206441A - Method of making laminated products : en
  • US2206273A - Production of alkylene imines : en
  • US2206736A - Connector device : en
  • US2206135A - Conversion of hydrocarbon oils : en
  • CA389690A - Fluid pressure container : en fr
  • CA389754A - Proteolytic enzyme production : en fr
  • GB523073A - Improvements in or relating to electron discharge devices and stems therefor : en
  • GB522936A - Improvements relating to collapsible tubes for toothpaste, shaving soap, and like contents : en
  • GB522980A - Improved means for exhausting dust laden air and depositing the dust therefrom : en
  • GB523128A - Improved means for adjusting the objective of a photographic apparatus, particularly a photographic camera : en
  • USD121304S - Design for a birdseed cup : en
  • GB523102A - A pair of standards or supports for use by paperhangers : en
  • DE693107C - Centrifugal device according to : de en
  • GB523023A - Improvements in or relating to process of and apparatus for sewing necktie material or the like : en
  • DE693290C - Mercury steam boiler with downpipes and riser pipes connected to the boiler drum : de en
  • CA389699A - Bar and shape straightening machine : en fr
  • GB523053A - Improvements in or relating to bedside fitments and like articles of furniture : en
  • AU316739A - A device for use when pressing meats or other foods : en
  • US2206499A - Concealed hinge : en
  • GB522962A - A method for separating ice from concentrates by means of presses, more particularly when concentrating solutions by freezing out the water : en
  • US2206485A - Paper bottle cap or the like : en
  • CA389760A - Tool holder and clamp : en fr
  • GB523124A - Improvements in variable electric resistance arrangements : en
  • US2206739A - Concealed door hinge : en
  • DE684805C - Multiple cross frame : de en
  • DE693379C - Method and device for the static balancing of machine parts : de en
  • US2206130A - Means for intermediate modulation in television transmission : en
  • US2206751A - Demand meter having light sensitive control means : en
  • US2206798A - Radio tube and socket structure : en
  • US2206810A - Piston expander : en
  • GB522901A - Improvements in or relating to knitted fabric : en
  • GB523085A - Improvements in or relating to electric lamp and socket structures : en
  • DE693164C - Device for the individual adjustment of the guides of plug rolling mills : de en
  • GB522925A - Recovery of whale oil from glue waters and "graxes" resulting from the digestion of whale materials with steam under pressure in ordinary or rotary digesters : en
  • ES144615A1 - A removable construction procedure and elements to carry it into practice. : en es
  • GB522906A - Improvements in or relating to tire chain : en
  • GB522928A - Improvements in supporting, cooling and lubricating means for high-speed shafts or spindles : en
  • GB523142A - Improvements relating to hair slides and articles of personal adornment : en
  • DE693105C - Cooling bed with inclined and double-cone-shaped rollers for cooling pipes : de en
  • DE693258C - Two-way spring band freewheel clutch : de en
  • US2206426A - Electric riveting : en
  • US2206443A - Apparatus for forming toothed elements : en
  • GB522986A - Improvements in electrical relays : en
  • GB522904A - Improvements in circuit arrangements for operating gas-filled electric discharge devices : en
  • GB523091A - Improvements in apparatus for drying whey and other waste liquors : en
  • US2206791A - Vehicle handling structure : en
  • US2206257A - Sportsman's knife : en
  • US2206303A - Eye testing device : en
  • US2206355A - Abrading wheel : en
  • US2206610A - Oxazines of the anthraquinone series and process of preparing them : en
  • US2206664A - Container and locking device therefor : en
  • US2206405A - Device for use in making pipe joints : en
  • US2206609A - Diverter valve : en
  • GB523122A - Chewing gum : en
  • US2206315A - Torque measuring wrench : en
  • US2206542A - Denture brush : en
  • GB523056A - Improvements in and relating to folding furniture : en
  • ES144675A1 - Improvements in the distributing devices of previous determination of volume and price. : en es
  • US2206166A - Pipe or tube joint : en
  • US2206570A - Multicolor flock printing machine : en
  • GB522913A - Improvements relating to respiratory masks : en
  • AU285839A - Improvements in or relating to ventilating and airconditioning systems : en
  • DE693089C - Process for the production of formaldehyde condensation products from phenols, thiourea and urea : de en
  • DE693322C - Machine for opening filled envelopes : de en
  • DE694195C - Device for temperature-dependent switching on and off of the energy source of a cooling machine : de en
  • US2206246A - Means for winding flexible materials onto spools, bobbins, or the like : en
  • US2206463A - Compressor support : en
  • US2206675A - Electric toaster with removable heating element : en
  • US2206058A - Manufacture of glass wool : en
  • US2206148A - Fur cleaning machine : en
  • US2206183A - Weather strip : en
  • US2206385A - Telephone system : en
  • US2206572A - Photographic toning with ferricyanides : en
  • US2206537A - Magnetic metallic material containing tungsten : en
  • DE693357C - Procedure for removing the ozone : de en
  • US2206164A - Sand conditioning machine : en
  • CA389728A - Valve operating mechanism : en fr
  • DE693099C - Method of making casting molds : de en
  • GB523126A - Improvements in or relating to saucers as used for drinking vessels : en
  • GB522974A - Improvements in and relating to methods of making flanged cylinders and convered gaskets : en
  • GB523058A - Improvements relating to photography : en
  • US2206188A - Smoking pipe : en
  • US2206295A - Connector : en
  • US2206551A - Shaving implement : en
  • DE693094C - Arrangement to improve the commutation in rectifiers that work with periodically moving switch contacts : de en
  • US2206288A - Manufacture of acetyl cellulose : en
  • US2206482A - Hand sander : en
  • US2206838A - Dispensing : en
  • DE693015C - Grid-controlled gas or vapor discharge path for converters : de en
  • DE693378C - Coupling for material testing devices : de en
  • USD121348S - Design for a handbag frame : en
  • GB523095A - Improvements in or relating to vibrating devices for sieves, separators, conveyors and the like : en
  • GB523119A - Improvements in or relating to shuttle pegs for weft cops, particularly for automatic looms : en
  • ES144502A1 - Procedure that allows modifying the physical characteristics of clay soils. : en es
  • AU278539A - Improvements in or relating to electric circuit-breaking devices of the gas-blast type : en
  • CA389802A - Wearing apparel : en fr
  • US2206070A - Internal sleeve oil burner : en
  • US2206695A - Means for receiving high frequency signals : en
  • US2206525A - Method of manufacturing pen points : en
  • DE693029C - Actuating device for the pressure screws of the locking devices of coke oven doors : de en
  • DE693303C - Fixing device for household machines and devices : de en
  • US2206721A - Slurry classification : en
  • DE693178C - Method of receiving centimeter and decimeter waves using magnetic field tubes with split anode : de en
  • DE693180C - Roller switch : de en
  • DE693184C - Adjustable capacitor for measuring purposes : de en
  • US2206067A - Master safety switch : en
  • DE693326C - : de en
  • US2206813A - Pbocess of nitbamng hedbocabbong : en
  • US2206097A - Knitting machine and method : en
  • US2206611A - Method of applying azo dyestuffs to fibers by development under the effect of light : en
  • US2206768A - Rail flaw detector mechanism : en
  • DE693012C - Multi-part lock for locks, weirs and similar hydraulic structures : de en
  • DE693017C - Relay arrangement : de en
  • DE693084C - Steering gears, especially for caterpillar vehicles : de en
  • USD121286S - Design for a bottle : en
  • ES144501A1 - Procedure for the consolidation of clay layers by means of an electric field. : en es
  • ES144874A1 - A process for the preparation of stable cupric hydroxide. : en es
  • DE693211C - Cooling device for pneumatic tires : de en
  • AU318639A - Froth flotation process and apparatus : en
  • US2206080A - Transmission control and signaling system : en
  • US2206851A - Process for treating sewage : en
  • US2206283A - Cultivator for vineyards : en
  • US2206690A - Cushioned wear plate : en
  • US2206790A - Cutter for picking fruit : en
  • US2206644A - Radio beacon and radio guide : en
  • US2206655A - Electric switch : en
  • US2206473A - Control column for airplanes : en
  • GB523048A - Improvements relating to spring suspension for chairs : en
  • ES144523A1 - Procedure for obtaining electric electromotive force based on continuous movement. : en es
  • DE693016C - Threshold current relay : de en
  • DE693088C - Process for the production of powder detergents : de en
  • US2206562A - Process for the manufacture of aluminum : en
  • US2206278A - Textile and other materials : en
  • AU110872B2 - Improvements in or relating to couplings : en
  • AU280539A - Stabilized negative resistance and conductance devices : en
  • GB522967A - Tailstock for lathes : en
  • DE693284C - Process for the production of butanol by fermentation technology : de en
  • AU279739A - Improvements in building materials for decorative purposes containing asbestos cement orthe like : en
  • US2206741A - Mechanico-fluid-pressure method of producing lateral-provided fittings : en
  • US2206076A - Photographic emulsion : en
  • US2206157A - Process and apparatus for bagging asphalt : en
  • US2206697A - Electric foil : en
  • DE693181C - Safety circuit for an electric multi-motor drive : de en
  • US2206608A - Apparatus employing high voltagehigh frequency electric current : en
  • USD121345S - Design for a fur collar : en
  • US2206451A - Gear finishing machine : en
  • US2206849A - Spark coil testing : en
  • AU110861B2 - Improved method of manufacturing stable salts of acetylsalicylic acid : en
  • DE693333C - r plants : de en
  • AU110906B2 - Improvement in bandpass selector systems : en
  • AU110889B2 - Improvements in and relating to mousetraps : en
  • AU534239A - Improvements relating to alternating electric current rectifiers ofthe selenium type : en
  • US2206623A - Automobile parking device : en
  • CA389672A - Strip material vulcanizing apparatus : en fr
  • US2206147A - Coin actuated telephone apparatus : en
  • US2206112A - Perforating attachment for presses or the like : en
  • US2206215A - Valve mechanism : en
  • US2206582A - Cop winding machine : en
  • US2206054A - Method of forming color screens : en
  • US2206567A - Apparatus for controlling recoil : en
  • US2206771A - Operating valve for vacuum systems for controlling marine clutches : en
  • ES144570A1 - Improvements in science or art of building with brick. : en es
  • AU110910B2 - Improvements in or relating to ventilating and airconditioning systems : en
  • US2206568A - Recoil control device : en
  • US2206765A - Method of producing animated pictures : en
  • DE693062C - Process for the production of thermoplastic, low-viscosity, bituminous substances : de en
  • ES144796A1 - A process for the manufacture, by means of pressing, of glass bodies provided with power sockets. : en es
  • DE693087C - Lock with damping device to eliminate annoying lock noises : de en
  • DE693057C - Device for determining the phase designations at any point in a three-phase network : de en
  • US2206181A - Remote control for radio receivers : en
  • US2206233A - Building construction : en
  • USD121352S - Design for a pin clip : en
  • CA389685A - Non-skid device : en fr
  • AU110857B2 - A device for use when pressing meats or other foods : en
  • CA389736A - Artificial silk processing : en fr
  • ES144399A1 - A process for the improvement of thermal insulation by glass fibers or similar fibers. : en es
  • CA389807A - Micro-wave oscillator and detector : en fr
  • CA389715A - Photographic emulsion : en fr
  • US2206375A - Method of welding copper and copper alloy clad steel : en
  • CA389704A - X-ray apparatus : en fr
  • US2206280A - Manufacture of luminescent materials : en
  • US2206452A - Telegraph testing system : en
  • US2206577A - Combined typewriting and computing : en
  • US2206632A - Two-stroke cycle internal combustion engine : en
  • US2206475A - Control unit : en
  • US2206243A - Method of shearing furs : en
  • US2206330A - Control mechanism for washing machines : en
  • US2206708A - Hinge : en
  • USD121332S - Design for a textile floor covering : en
  • DE693220C - Apron stretching system : de en
  • DE693122C - Device for opening and closing the needle tongues for flat and circular knitting machines : de en
  • GB522940A - Improvements relating to clamping devices : en
  • GB522994A - Improvements in permeability tuner : en
  • GB523037A - Improvements in and relating to the production and use of rubber vulcanisation accelerators : en
  • US2206393A - Sound recording apparatus : en
  • US2206600A - Chalk holder : en
  • US2206793A - Sun visor : en
  • US2206654A - Television system : en
  • US2206670A - Pipe wrapping machine : en
  • DE693317C - Sealing for the tongue slits in the reed plates of tongue musical instruments : de en
  • USD121306S - Design fob a knife : en
  • AU110874B2 - Improvements relating to alternating electric current rectifiers ofthe selenium type : en
  • CA389670A - Rayon sizing process : en fr
  • US2206088A - Method of making dies : en
  • GB523133A - Improvements in or relating to cinematograph film magazines : en
  • CA389725A - Covering material : en fr
  • AU110883B2 - Stabilized negative resistance and conductance devices : en
  • DE693190C - Electric resistance welding machine for the manufacture : de en
  • DE693269C - Process for the production of tar for road construction etc. : de en
  • AU110905B2 - Improvements inthe construction of metal windows : en
  • US2206340A - Eccentric mechanism : en
  • US2206706A - Control system : en
  • US2206154A - Bread slicer : en
  • CA389689A - Vehicle door and window handle : en fr
  • DE693376C - Shuttering board holder : de en
  • DE693011C - Attachment box : de en
  • DE693030C - Process for the production of high molecular weight carbohydrate ethers : de en
  • US2206650A - Tone amplifier for pianos : en
  • ES144630A1 - A process for the manufacture of sealing containers. : en es
  • GB522916A - Improvements in or relating to postal knockers and letter plates : en
  • IE17016L - Treating alcoholic worts : en
  • US2206139A - Chromium reduction : en
  • US2206478A - Greenhouse ventilation system : en
  • CA389684A - Vegetable matter pick-up mechanism : en fr
  • US2206640A - Record sheet punching machine : en
  • DE693043C - Device for collecting the filling gases when charging chamber furnaces for the production of gas and coke : de en
  • US2206539A - Cylinder lock : en
  • GB523057A - Improvements in telephone and like electric signalling systems : en
  • US2206052A - Bracelet end connection : en
  • US2206082A - Cuff fastener : en
  • US2206261A - Magnetic core and coil assembly : en
  • US2206290A - Method of etching : en
  • USD121342S - Design for a carpet or similar article : en
  • US2206759A - Cross rolling : en
  • US2206528A - Manufacture of hydrochloric acid : en
  • US2206787A - Nontamperable fuse : en
  • AU214939A - Improvements in platform type conveyors or hoists : en
  • US2206628A - Automatic adjuster : en
  • US2206065A - Flexible gun turret : en
  • CA389724A - Covering material : en fr
  • US2206370A - Low temperature alloy and valve or the like : en
  • US2206169A - Light modulating system : en
  • US2206203A - Top sealing machine : en
  • AU279439A - Improvements in or relating to navigation aiding radio transmitters : en
  • DE693044C - Device for forming the back material loops in book stitching machines : de en
  • DE693304C - Device for beating and removing dust from air-permeable woven materials, such as carpets, blankets, clothes, etc. : de en
  • USD121316S - Design for an electric wire burning set : en
  • DE693183C - Base for high pressure mercury lamps with U-shaped discharge path : de en
  • US2206460A - Tacking and stapling machine : en
  • US2206641A - Methylene polysulphide plastic : en
  • US2206040A - Building : en
  • US2206276A - Heated die platen and die : en
  • US2206538A - Telephone system : en
  • USD121276S - Bowling alley service unit or similar article : en
  • USD121340S - Design fob a shoe : en
  • US2206842A - Abrading machine : en
  • CA389801A - Composite yarn : en fr
  • DE693168C - Device for edging or turning profile carriers or the like in rolling mills : de en
  • DE693063C - Method for the production of a firm initial row on the flat weft knitting machine : de en
  • US2206712A - Mounting for printing machine color pans : en
  • DE693049C - Disk-shaped copy device : de en
  • DE693147C - Rail contact : de en
  • DE693203C - Working time control clock : de en
  • US2206397A - Ice skate and shoe : en
  • DE693150C - Process for preparing acid tar : de en
  • US2206341A - Process for the obtention of juice from sugar cane : en
  • US2206680A - Heat insulation curtain : en
  • US2206214A - Testing apparatus : en
  • USD121284S - Lippincott desk calendar support or the like : en
  • US2206651A - Compressor shut-off valve mechanism : en
  • USD121297S - Design for a game board : en
  • DE693141C - Painting lock : de en
  • ES144566A1 - A procedure for obtaining lubricating oils. : en es
  • ES142189A1 - Domestic electrical installation system whose conductors are applied to the non-plastered wall and then lodged in the plaster layer. : en es
  • US2206234A - Invalid walking and apparatus : en
  • US2206834A - Waste collection apparatus : en
  • GB523010A - New or improved control device : en
  • GR9079B - FOOD FULL WHEAT OR OTHER FULL CEREALS. : el en
  • AU303239A - Kerf cutting machines : en
  • US2206772A - Display device : en
  • US2206336A - Steam boiler : en
  • US2206431A - Steering wheel for automobiles : en
  • US2206466A - Duplex pump : en
  • DE693117C - Procedure for specifying the flight altitude for aircraft : de en
  • AU310039A - Improvements in or relating to sound excluding ventilating windows : en
  • CA389771A - Sound recording and reproducing apparatus : en fr
  • US2206413A - Electron device : en
  • US2206762A - Holder for caskets or the like : en
  • US2206162A - Wallpaper board : en
  • US2206121A - Apparatus for handling coils of wire : en
  • US2206711A - Method for producing alloys containing iron and chromium : en
  • US2206733A - Clothespin : en
  • US2206129A - Method for use in the manufacture of shoes : en
  • US2206171A - Unsaturated acid glycol resin complex and process of making same : en
  • US2206456A - Manually operable control mechanism : en
  • USD121289S - Design for a bottle : en
  • US2206089A - Liquid treating apparatus : en
  • US2206754A - Line casting machine : en
  • US2206859A - Variable speed transmission : en
  • US2206051A - Double-door-operating device : en
  • CA389733A - Coal conveyer : en fr
  • US2206118A - Sealed package : en
  • US2206529A - Cutter for meat grinders : en
  • US2206053A - Growth exterminator : en
  • US2206199A - Signal system for vehicles : en
  • US2206696A - Speed responsive device : en
  • US2206125A - Magnetic deflecting system for braun tubes : en
  • US2206055A - Gas reversion : en
  • US2206311A - Method of making levulinic acid : en
  • US2206356A - Check valve : en
  • USD121333S - Design for an embalming apparatus : en
  • AU110841B2 - Wrapping materials : en
  • CA389812A - Low frequency amplifier : en fr
  • US2206573A - Lubricant and method of lubrication : en
  • CA389729A - Rubber strip manufacturing apparatus : en fr
  • CA389731A - Skylight frame : en fr
  • CA389700A - Metallic receptacle forming apparatus : en fr
  • US2206386A - Testing apparatus : en
  • US2206363A - Valve for an oil tank : en
  • US2206668A - Electronic device : en
  • AU277639A - Improvements in or relating to secret communication systems : en
  • AU272339A - Improvements in or relating to preselection tuning systems for radio receivers andthe like : en
  • AU110845B2 - Step-by-step positioning device : en
  • GB522894A - Process for the production of molten iron steels or iron-copper alloys : en
  • GB522969A - Improvements in and relating to change-speed gear control devices : en
  • DE693159C - Self-supporting shell body made of transparent material for aircraft : de en
  • DE693306C - Electrical universal control device for clutchless twin-motor winches : de en
  • US2206494A - Thread covering apparatus : en
  • AU274339A - Impulse sending device : en
  • US2206072A - Arrangement for mixing two frequencies in a superheterodyne receiver : en
  • CA389740A - Quaternary ammonium salt manufacture : en fr
  • CA389788A - Welded chain : en fr
  • GB522895A - Improvements in or relating to crankshafts for twin-cylinder internal combustion engines : en
  • US2206492A - Spline shaft grinding machine : en
  • US2206518A - Tally mechanism for knitting machines : en
  • ES144770A1 - Improvements in meters to measure the consumption of electrical energy that eliminates fraud. : en es
  • GB523115A - Improvements in or relating to castors, and to wheel and like attachments : en
  • DE693261C - Schlaegerkopf for Schlaegermuehlen : de en
  • AU110912B2 - Improvements in means for visually indicating when a motor vehicle is about to turn or stop : en
  • CA389669A - Embalming liquid : en fr
  • DE693166C - Lubricating device for the journals of the rolls of rolling mills : de en
  • DE693039C - Seal for rotating parts, e.g. B. waves from ship propellers, water turbines and. Like., With a labyrinth upstream of the sealing rings : de en
  • CA389804A - Paper machine slice : en fr
  • CA389813A - Separable fastener end-stop : en fr
  • AU110895B2 - Process for treating gelatin : en
  • US2206253A - Tack pulling machine : en
  • US2206784A - Indicator for cartridge type fuses : en
  • AU282139A - Method of and apparatus forthe preparation offish for canning or other processing purposes : en
  • US2206022A - Polymerization of vinylidene chloride : en
  • US2206142A - Diketone coupler compounds : en
  • US2206530A - Plumb bob adjusting and counterbalance device : en
  • US2206096A - Band-pass filter arrangement : en
  • US2206501A - Track hurdle : en
  • CA389691A - Vehicle testing apparatus : en fr
  • GB523071A - Improvements in or relating to the cementation of metals and metal alloys with beryllium : en
  • DE693281C - : de en
  • DE693366C - Housing-enclosed time switch : de en
  • CA389746A - Nickel carbonyl production : en fr
  • GB523024A - Improvements in and connected with paving : en
  • DE693096C - Arrangement for the regulation of grid-controlled converters : de en
  • US2206581A - Play equipment : en
  • USD121299S - Design for a cocktail mixer : en
  • DE693113C - Attachment of contact springs to interlockings u. Like. With railway safety devices : de en
  • US2206571A - Internal combustion engine : en
  • US2206115A - Air conditioning apparatus : en
  • US2206235A - Flush tank valve construction : en
  • DE693120C - Safety device for steam boiler : de en
  • DE693291C - Compressed air braking device : de en
  • GB522892A - Improvements in impregnated fibrous material and impregnating composition and methodof making the same : en
  • GB523129A - Improvements in or relating to photographic cameras combined with light sources : en
  • US2206384A - Metering pump : en
  • US2206672A - Connector : en
  • ES144596A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144587 : en es
  • GB523061A - Improvements in or relating to optical objectives : en
  • ES144930A1 - An inclined plane installation with an automotive device that is on multiple cables and adaptable to all types of terrain. : en es
  • CA389781A - Nitrate and chlorine production : en fr
  • USD121319S - Newel post for bowling ball racks or the like : en
  • GB522960A - Improvements relating to sectional mattresses : en
  • GB523016A - Improvements in measuring taps : en
  • DE693073C - Drain valve : de en
  • GB523017A - Improvements in measuring taps : en
  • IE15996L - Telephone exchange system : en
  • USD121354S - Design for a handbag : en
  • USD121308S - Design for a combination tool : en
  • GB523063A - Improvements in or relating to impact crushers and impact plates therefor : en
  • DE693329C - Superheater for high temperatures with vertical superheater tubes forming a radiant heating surface : de en
  • ES144586A1 - A procedure for obtaining adequate fuel for the service of diesel engines. : en es
  • US2206510A - Halogenating nitroaminobenzene sulphonic acid : en
  • GB523027A - Improvements in and relating to electric welding apparatus : en
  • DE693315C - Self depositors for threshing machines : de en
  • US2206419A - Working of solidified plastic materials : en
  • US2206476A - Apparatus for observing cinematographic bands : en
  • US2206534A - Sputum container for motor vehicles : en
  • US2206331A - Dosing mechanism : en
  • DE693101C - Fuel delivery device for internal combustion engines : de en
  • DE693195C - Can be coupled to a meat chopper, consisting of two : de en
  • CA389717A - Photographic emulsion : en fr
  • CA389777A - Circular rib knitting machine : en fr
  • GB522972A - Means for connecting the parts of stands for firearms : en
  • GB523083A - Improvements relating to composite materials or articles such as composite packing, gaskets, tubular joints and the like : en
  • ES144496A1 - Improvements in bottle caps caps. : en es
  • US2206504A - Electrode support : en
  • US2206520A - Mange remedy : en
  • GB522945A - Improved secret contact-combination electric switch for preventing unauthorised use of motor road vehicles : en
  • US2206437A - Instrument cap : en
  • GB522903A - Improvements in apparatus for the transmission of television and the like : en
  • USD121278S - Design fob a game board : en
  • AU110887B2 - Improvements in and relating to lounge chairs : en
  • GB523044A - Improvements in the electro-optical scanning of sound records : en
  • GB523105A - Improvements in or relating to closures for bottles, jars and the like containers : en
  • US2206124A - Detachable electric connector : en
  • USD121295S - Design for a coat : en
  • GB523021A - Improvements in or relating to means for driving spindles that are movable into different positions, especially in the case of engraving and copying machines : en
  • US2206216A - Dual wheel vehicle : en
  • US2206057A - Rocket projectile : en
  • US2206727A - Control mechanism for liquid dispensing apparatus : en
  • US2206252A - Electrical meter : en
  • US2206329A - Tank gauge : en
  • US2206508A - Wire frame for lamp shades : en
  • DE693112C - Axle bearings for rail vehicles : de en
  • DE693221C - Chain for heat exchange purposes : de en
  • GB523089A - Reinforcement for concrete : en
  • US2206149A - Crystal form demonstrator : en
  • USD121334S - Design fob an aerial : en
  • DE693316C - Tuning pegs for string instruments : de en
  • DE693328C - : de en
  • ES145049A1 - IMPROVEMENTS MADE IN THE ANODE PLATES OF ELECTRIC ACCUMULATORS : en es
  • DE693264C - Process for the production of color grids : de en
  • DE693068C - Mattress with coil springs and longitudinal stretches that attack the upper rings, also cross-tensioned : de en
  • DE693273C - Sealing strip for insertion in the flue gas ducts of sectional boilers : de en
  • ES144588A1 - A PROCEDURE FOR THE OBTAINING OF ALUMINUM CHLORIDE : en es
  • GB522910A - Improvements in and relating to ironing machines : en
  • US2206035A - Scooter sled : en
  • US2206616A - Osmium composition and method of making same : en
  • DK57749C - Formwork plate for hanging on vertical racks. : da en
  • DE693126C - : de en
  • DE693014C - Commutator-free converter motor fed from a direct current network via controlled vapor or gas discharge paths in an inverter circuit : de en
  • GB522934A - Improvements in extinguishing chambers with differential pistons for electric circuit-breakers : en
  • US2206110A - Shock absorber : en
  • US2206606A - Pocket ash tray and match case : en
  • CA389741A - Textile bleaching method : en fr
  • USD121355S - Design fob a textile fabric : en
  • ES144561A1 - A method and device for the manufacture of glass threads. : en es
  • GB523001A - Improvements in or relating to drawing apparatus for textile spinning and like frames : en
  • DE693196C - Power supply for electrically operated devices and machines : de en
  • US2206387A - Electronic device : en
  • DE693318C - Device for recording pieces of music played on keyboard instruments : de en
  • GB523123A - Improvements in sources of light comprising a high-pressure mercury-vapour electric discharge and an incandescent filament in series with it : en
  • GB522917A - Improvements relating to metal vapour electric discharge lamps : en
  • GR9081B - HALL OF ALTERNATIVE SIDE. : el en
  • AU110897B2 - A process for preparing planographic printing plates : en
  • AU110839B2 - Improvements in platform type conveyors or hoists : en
  • US2206723A - Starting apparatus for internal combustion engines : en
  • USD121346S - Design fob a textile fabric : en
  • USD121291S - Electric lighting fixture : en
  • DE693123C - Process for the production of staple fibers from whale fat and similar fiber-containing raw materials : de en
  • DE693192C - Process for the production of knitted fabrics of a plush-like character on the flat weft knitting machine : de en
  • USD121275S - Design for an ash tray : en
  • DE693078C - Feeding device for mill furnaces : de en
  • DE693372C - Rotary lobe compressors : de en
  • GB523030A - Improvements in or relating to incandescent ignition plugs for internal combustion engines : en
  • GB523072A - A method of recovering zinc oxide and ferric oxide from filter dust and the like : en
  • GB522939A - Improvements in or relating to discriminator circuits for use in automatic frequency control systems : en
  • AU110865B2 - Feeding device for crushers and method of controlling the feed of particles thereto : en
  • USD121328S - Design for a textile fabric : en
  • GB523038A - Hollow blade for exhaust gas turbine rotors : en
  • GB522984A - Improved process of colouring photographic images : en
  • USRE21501E - Method of and apparatus for roiung : en
  • GB523020A - Improvements in or relating to mountings for vibratory bodies such as engines : en
  • US2206251A - Wrench : en
  • DE693244C - Three-motor drive on rayon spinning machines based on the double spool system : de en
  • GB523086A - Improvements in or relating to grinding machines : en
  • GB523111A - Process for removing salts from water : en
  • DE693292C - Circuit arrangement for telegraph switching systems with a plurality of separate subscriber lines : de en
  • US2206598A - Mining machine transport means : en
  • GB523009A - Improvements in and relating to cables for the transmission of ultra-short electric waves : en
  • DE693074C - Process for pickling carburized areas or rolled-in metal or slag particles from bare, rust-proof chrome steels : de en
  • ES144567A1 - A device for the catalytic treatment and especially for the purification of gases. : en es
  • ES144678A1 - Improvements in pneumatic suspensions for vehicles. : en es
  • CA389811A - Sawtooth oscillator : en fr
  • US2206350A - Building block : en
  • DE693185C - Discharge vessel filled with vapor or gas : de en
  • DE693375C - Process for the preparation of durable, injectable solutions of l-ascorbic acid and its analogues : de en
  • CA389676A - Hinge : en fr
  • US2206038A - Orthopedic apparatus : en
  • US2206395A - Process for obtaining pure chromium, titanium, and certain other metals and alloys thereof : en
  • DE693130C - end flat gasket : de en
  • ES145583A1 - Regulating and regulating device for compressed air installations that include a compressor and a tank, especially for vehicle brakes. : en es
  • DE693173C - Device in upright design for switching points on railways : de en
  • GB522944A - Improvements in or relating to variable speed gear units : en
  • CA389770A - Antenna system : en fr
  • US2206686A - Apparatus for applying decorative color effects to glass and ceramic ware : en
  • DE693339C - Cinema recording camera with mechanical drive : de en
  • AU20739A - Improvements in or relating to electrical filters and impedance transforming networks : en
  • US2206242A - Manufacture of yarn : en
  • GB523033A - Improvements in the lubrication systems of internal-combustion engines : en
  • US2206603A - Production qf aminotriazines : en
  • DE693106C - Switch-like feed device for the billets emerging from a furnace to the calibers of a multi-caliber rolling mill : de en
  • DE693248C - Process for the production of permanent solutions of ferrous iron : de en
  • DE693327C - Process for the re-expulsion of hydrocarbon mixtures from large-surface bodies : de en
  • DE693198C - Process for the production of synthetic resin in alcoholic or colloidal solution or be : de en
  • US2206729A - Low temperature hydrogenation process : en
  • GB522932A - High vacuum vapour jet pumps : en
  • US2206305A - Pump or motor : en
  • US2206470A - Weed destroying preparation : en
  • US2206725A - Vehicle indicator : en
  • ES144603A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144586 : en es
  • US2206479A - Device for equidirectional milling : en
  • US2206794A - Electric fuse : en
  • USD121317S - Design for a pistol : en
  • DE693038C - Funnel-shaped loeschnapf for cigars and cigarettes with two flaps that can be spread apart : de en
  • IE16024L - Signalling over electric supply networks : en
  • US2206155A - Microscope objective : en
  • DE693381C - Skittles with coin slot : de en
  • GB523054A - Improvements in turntables : en
  • US2206264A - Turf-piercing machine : en
  • US2206369A - Foundry sand binder : en
  • US2206749A - Air-conditioning apparatus : en
  • US2206663A - Telegraph system : en
  • USD121339S - Design for a paper fastening machine : en
  • AU110882B2 - Improved felt pressing machine : en
  • DE693176C - Four-wire transmission system built up : de en
  • US2206702A - Radio voting : en
  • US2206515A - Electric discharge vessel : en
  • US2206844A - Heddle frame : en
  • US2206024A - Manufacture of alcohol : en
  • US2206028A - Anodic treatment of magnesium : en
  • US2206710A - Pool-type X-ray tube : en
  • US2206840A - Means for attaching cable for reversing drag scrapers : en
  • US2206649A - Vacuum tube : en
  • US2206786A - Indicating plug fuse : en
  • US2206034A - Mold form : en
  • DK57738C - Word typing apparatus. : da en
  • DK57751C - Injection combustion power engine normally operated with viscous Fuel. : da en
  • DE693170C - Creation and transport device for stapling, nailing or similar machines : de en
  • AU110894B2 - Improvements relating to method and apparatus for packaging articles : en
  • US2206176A - Screen printing apparatus : en
  • US2206666A - Cathode ray tube : en
  • US2206856A - Transformer : en
  • AU508239A - Process for treating gelatin : en
  • US2206172A - Amusement device : en
  • US2206662A - Fabricating article of beryllium copper : en
  • CA389806A - Micro-wave oscillator and detector : en fr
  • CA389696A - Power system : en fr
  • DE693111C - Locking device for sliding doors, especially in rail vehicles : de en
  • US2206446A - Electronic timer circuit : en
  • US2206223A - Fastening means : en
  • US2206449A - Apparatus for finishing gears : en
  • AU110840B2 - Improvements in remote control systems for electrical apparatus and distribution systems : en
  • DE693108C - : de en
  • DE693194C - Device for holding the sub-floor in place during the manufacture of box-less molds : de en
  • ES144647A1 - Improvements in electromagnetic induction devices. : en es
  • GB523031A - Improvements in or relating to the lubrication of aero and other engines : en
  • CA389787A - Heating apparatus and oven : en fr
  • US2206011A - Metalworking machine : en
  • US2206174A - Clothesline holder : en
  • US2206766A - Means for feeding irregular objects to a conveyer : en
  • AU110891B2 - Improvements in thermostatic means for controlling the supply of current to electric vessels for heating liquids : en
  • CA389714A - Lamp string : en fr
  • AU280139A - Improvements in clips for contact andother wires and methods of manufacture thereof : en
  • US2206483A - Manufacture of pasteurized potato salad : en
  • US2206728A - Display stand : en
  • US2206090A - Waterproofing composition and similar emulsion : en
  • US2206244A - Electrical vibrator : en
  • AU110877B2 - Improvements in or relating to phase responsive apparatus : en
  • US2206158A - Pressure gauge signal for pneumatic tires : en
  • DE693340C - Numbering device on copiers : de en
  • US2206691A - Lime-zeolite water-softening process : en
  • US2206709A - Electric circuit interrupting system : en
  • US2206248A - Child's bed : en
  • DE693110C - Steam turbine with partially pressurized high pressure wheel : de en
  • AU226740A - Improvement in automatic distributors of goods : en
  • DE693199C - Device for measuring the angle enclosed by the wheel planes : de en
  • AU110843B2 - Improvements in or relating to preselection tuning systems for radio receivers andthe like : en
  • DE665202C - Radiators for electric stoves consisting of several large heating plates : de en
  • GB522954A - Improvements in or relating to the treatment of iron or zinc, or of alloys of either iron or zinc, for the production thereon of phosphate coatings : en
  • US2206591A - Twister traveler : en
  • AU110837B2 - An airtight covering tobe used inthe preservation of certain articles of food or fruit and method of making and applying thesame : en
  • DE693056C - on control commands in remote control systems working with dialers : de en
  • USD121318S - Terminal post for bowling ball racks or the like : en
  • USPP408P - Rose plant : en
  • CA389702A - Manifolding pile : en fr
  • US2206627A - Apparatus for coiling wire : en
  • DE693054C - Electric plug, in particular for use in radio systems : de en
  • DE693069C - Lithium-silicon alloys : de en
  • AU534139A - Improvements relating tothe manufacture of alternating current rectifiers : en
  • US2206103A - Posting tray : en
  • US2206519A - Pipe bend furnace : en
  • US2206656A - Variable ratio control valve : en
  • AU559939A - Improvements in and relating to lounge chairs : en
  • US2206487A - Railway car truck : en
  • US2206241A - Oil burner : en
  • US2206781A - Indicating fuse : en
  • USD121282S - Design fob a faucet : en
  • US2206334A - Closure trim for motor vehicle windows : en
  • DE693274C - Drywall : de en
  • DE693311C - Moving coil drive system for sound film panels : de en
  • US2206503A - Control mechanism for governors : en
  • US2206580A - Winding apparatus : en
  • US2206032A - Film magazine and apparatus for use therewith : en
  • US2206625A - Knockdown post construction : en
  • AU110911B2 - Improvements in and connected with motor propelled road vehicles as tractors, or means for adapting them as tractors, for use with trailers for forming articulated tractor-trailer vehicles : en
  • GB523022A - Improvements in or relating to mechanism for causing axialreciprocation of a rotatable tool spindle such as a grinding wheel spindle : en
  • GB523066A - Improvements in or relating to carrier telephony systems : en
  • DE693245C - Device for the production of rayon threads with changing titer : de en
  • CA389757A - Aircraft seat harness : en fr
  • DE693138C - Automotive heating : de en
  • US2206853A - Gear testing and recording machine : en
  • DE693266C - hinge : de en
  • DE693275C - Device for adjusting strings in string oscilloscopes : de en
  • ES144915A1 - New closure system for metal containers. : en es
  • GB523116A - Improvements in or relating to the conditioning or treatment of wheat prior to milling : en
  • GB523140A - Improved surgical pad : en
  • GB522923A - Improvements in pleating machines : en
  • USD121320S - Design for a game board : en
  • US2206286A - Radiator manufacture : en
  • CA389750A - Lubricating apparatus : en fr
  • DE693022C - Process for the preparation of disazo dyes : de en
  • ES144811A1 - A device for transforming the self-induction of a reel. : en es
  • GB522997A - Improvements in photographic emulsions : en
  • US2206450A - Apparatus for forming gears : en
  • US2206546A - Apparatus including a scanning disk for transmitting television : en
  • US2206593A - Shale separator : en
  • US2206669A - Apparatus for agitating liquids : en
  • USD121336S - Fountain pen and pencil clip or similar article : en
  • US2206180A - Device for illuminating microscopic objects : en
  • US2206196A - Photoelectric cell : en
  • ES144562A1 - A process for obtaining catalysts for the synthesis of benzine. : en es
  • GB522905A - Improvements in or relating to magnetron tubes suitable for use on ultra-short waves : en
  • US2206636A - Phonograph record : en
  • USD121292S - Design for goggles : en
  • DE693119C - Socket switch : de en
  • GB523039A - Improvements in mechanism for tensioning blankets around the impression cylinders of printing machines : en
  • US2206717A - Refrigerator door construction : en
  • US2206748A - Fruit rind removing machine : en
  • DE693019C - Process for the preparation of water-insoluble monoazo dyes : de en
  • DE693034C - Pressure cooker : de en
  • US2206310A - Treatment of zein solutions : en
  • ES144568A1 - A procedure to regulate the temperature when performing the catalytic synthesis of hydrocarbons. : en es
  • DE693116C - Arrangement for the compensation of quarter-circle radio feed coefficients in goniometer DF systems : de en
  • DE693321C - Device for controlling the contact pressure of the drive wheel of an electric generator for bicycles and motorcycles : de en
  • US2206140A - Tension control device for a winding apparatus : en
  • US2206012A - Sound treating device : en
  • USD121351S - : en
  • GB523076A - Improvements in or relating to high frequency thermionic valve apparatus incorporating heavy-current high-frequency conductors : en
  • US2206212A - Thread guide and support therefor : en
  • US2206374A - Art of synthesizing compounds of the ascorbic acid series : en
  • DE693040C - Production of a feed containing yeast : de en
  • DE693238C - d the sockets switching elements are provided : de en
  • GB522952A - Improvements in or relating to electrode arrangements for cathode ray tubes : en
  • GB523028A - Improvements in or relating to lighting fittings : en
  • DE693025C - Process for the preparation of polymethine dyes : de en
  • DE693081C - Synchronization gear for cinema projector : de en
  • DE693263C - Process for preserving baked goods : de en
  • US2206137A - Hood lock for automobiles : en
  • US2206523A - Temperature compensating device : en
  • US2206328A - Clamping apparatus : en
  • USD121349S - Design for a brooch or : en
  • US2206756A - Footwear : en
  • US2206421A - Fermentation vat and lining therefor : en
  • US2206294A - Device for the progressive teaching of arithmetic : en
  • US2206596A - Bag strip liner : en
  • GB522968A - Tool supporting member for roll head turning lathes : en
  • GB522973A - Improvements in and relating to electric transformers : en
  • US2206584A - Process for the separation of trimethylamine from mixtures of trimethylamine and monomethylamine : en
  • US2206661A - Card ejecting mechanism : en
  • US2206836A - Pressing pad : en
  • GB523080A - Manufacture of unsaturated esters : en
  • GB522953A - Improvements in cutting tools for plate shears : en
  • DE693090C - henanthroline series : de en
  • DE693131C - indespindles : de en
  • ES144794A1 - Process for the fabrication of a folded tube consisting of a profiled metallic strip, wound in a spiral around a groyne and welded by the overlapping edges by electrical resistance welding. : en es
  • ES144989A1 - A method of fixing the aerosol filters in the boxes of the gas protection filters. : en es
  • DE693114C - Single contact line for electric railways : de en
  • DE693037C - Calculator for trigonometric calculations : de en
  • US2206061A - Respirator : en
  • USD121357S - Design for knitted curtain fabric : en
  • GB522927A - Improved brake transmission mechanism for motor vehicles : en
  • CA389745A - Printing mechanism : en fr
  • CA389748A - Electric switch : en fr
  • AU565238A - Improvements in and relating to mousetraps : en
  • US2206761A - Machine and method for package closure : en
  • US2206086A - Camera lens diaphragm : en
  • US2206079A - Pump : en
  • US2206753A - Collapsible shelf and bookcase : en
  • AU229140A - Process and apparatus for the production of magnesium by means of thermic reduction : en
  • US2206658A - Fluid pressure metering valve mechanism : en
  • CA389761A - Inguinal hernia truss : en fr
  • CA389791A - Viscosity controlled unit : en fr
  • US2206373A - Joint : en
  • US2206018A - Earth inductor compass : en
  • USD121298S - Karst faint brush rack : en
  • US2206493A - Shuttering for molding walls in situ : en
  • US2206779A - Office : en
  • CA389737A - Wire grooving apparatus : en fr
  • AU110909B2 - Improvements relating tothe manufacture of textile fabrics and particularly textile articles of wearing apparel : en
  • US2206087A - Handle for mattresses : en
  • US2206219A - Record controlled accounting machine : en
  • US2206236A - Cigarette extinguisher : en
  • US2206084A - Collapsible filing drawer : en
  • USD121330S - Design for a plate or similar article : en
  • CA389734A - Mixed phosphate manufacture : en fr
  • US2206783A - Fuse indicator : en
  • USD121335S - Fountain fen and pencil clip or similar article : en
  • DE693188C - Device for displaying the point in time of a uniform temperature of the glowing goods in electric ovens : de en
  • ES144563A1 - A procedure for obtaining lubricating oils. : en es
  • ES144601A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144591 : en es
  • GB523042A - A new or improved switch for use with luminous signs adapted to display different symbols within the same frame-area : en
  • US2206366A - Brush assembly for dynamoelectric machines : en
  • US2206767A - Collapsible closet : en
  • ES144607A3 - A procedure for making silk fabrics for corsets. : en es
  • GB522902A - System for heating a cathode of vacuum tube : en
  • DE693091C - Check valve for boiler feed systems : de en
  • DE693319C - chronized tilting oscillations : de en
  • DE693370C - Process for the production of synthesis gas for the pressureless gasoline synthesis : de en
  • GB522996A - Improvements relating to combustion chambers and valve arrangements for internal combustion engines : en
  • US2206468A - Electric circuit breaker : en
  • AU110993B2 - Device for attracting and destroying small living organisms by means ofa web of fabric passed through by electric current : en
  • DE693239C - Air-cooled dry rectifier column with cooling disks : de en
  • US2206406A - Paper container : en
  • US2206439A - Work support for welding apparatus : en
  • DE693083C - Claw clutch, especially for gearboxes in motor vehicles, with claw teeth beveled on the end faces : de en
  • DE693280C - Process for the production of lace tips from plastics : de en
  • DE693305C - Coat hook with a foldable coat hanger that can be lowered into a wall plate : de en
  • US2206193A - Exhaust device for explosion or internal combustion engines : en
  • USD121338S - Slider for separable fastener stringers : en
  • US2206325A - Switching apparatus : en
  • US2206692A - Viscose cement : en
  • US2206240A - Game : en
  • US2206843A - Box plate : en
  • US2206120A - Adjustable furniture leg caster cup : en
  • US2206458A - Game or chaince device : en
  • US2206648A - Automatic variable leverage mechanism : en
  • ES144459A1 - A brake shoe for vehicles and braking devices in general. : en es
  • DE693325C - generation : de en
  • AU513839A - Method of compounding rubber : en
  • CA389766A - Electrical impulse delaying apparatus : en fr
  • DE693064C - Method and device for producing acetylene and dry calcium hydroxide : de en
  • DE693169C - Brush with liquid supply and inclined bristles : de en
  • ES144980A3 - A PROCEDURE FOR THE OBTAINING OF A NEW CONSTRUCTION MATERIAL : en es
  • CA389678A - Sulpho-carboxylic ester preparation : en fr
  • US2206400A - Ground noise reduction shutter : en
  • GB522896A - Improvements in and relating to partition structures : en
  • US2206665A - Communication system : en
  • GB522971A - Hydraulic coupling : en
  • GB522989A - Improvements in or relating to the manufacture of explosive compositions or blasting charges : en
  • US2206805A - Antiseptic : en
  • GB523059A - Improvements in roving frames : en
  • AU110836B2 - Improvements in or relating to electrical filters and impedance transforming networks : en
  • US2206292A - Method of making a drill sleeve : en
  • US2206414A - Joint for exhaust pipes : en
  • CA389673A - Faucet : en fr
  • DE693367C - Variable resistor with isolated axis of rotation : de en
  • GB522891A - Improvements in and relating to prepayment gas and like meters : en
  • ES144336A1 - Construction system for reinforced concrete slabs. : en es
  • GB522941A - Improvements in or relating to the production of printed textile fabric : en
  • GB523013A - Improvements in or relating to the injection moulding of thermoplastic materials : en
  • US2206237A - Affination apparatus for treating sugar : en
  • DE693151C - Spinneret for artificial silk or the like. : de en
  • DK57743C - Procedure for Adjusting the Self-Induction of a Coil-Injected Mass Cores. : da en
  • US2206021A - Catalytic cracking and cracking catalysts : en
  • US2206360A - Drawing mechanism for spinning apparatus : en
  • US2206773A - Production of catalytic septa : en
  • US2206699A - Device for the formation of a cigarette rod : en
  • US2206101A - Front end assembly for motor vehicles : en
  • US2206221A - Fluid pressure operated gear shifter : en
  • US2206742A - Brake : en
  • DE693139C - Lighting device for display devices, especially for motor vehicles : de en
  • GB522897A - Improvements in beer engine pumps : en
  • US2206116A - Record taking apparatus : en
  • USD121322S - Textile fabric or similar article : en
  • US2206344A - Electric light source for examinations of transparent media : en
  • US2206195A - Telescope eyepiece : en
  • US2206684A - Filter element : en
  • US2206497A - Welding apparatus : en
  • US2206629A - Fluid pressure braking system : en
  • US2206108A - Dyestuffs of the methine series : en
  • DE693289C - : de en
  • ES145595A3 - An apparatus for rapidly freezing water or other liquids or masses in cells by means of cold air, which is set in motion by a fan, mainly for high yields. : en es
  • GB523043A - Improvements in or relating to handbags : en
  • AU464439A - Improved method of manufacturing stable salts of acetylsalicylic acid : en
  • US2206265A - Steam generator : en
  • US2206599A - Sliding vehicle door : en
  • US2206782A - Plug fuse : en
  • CA389779A - Alkyl phenol recovery : en fr
  • CA389688A - Gravity degree level : en fr
  • CA389769A - Optical system adjusting method : en fr
  • US2206132A - Focusing attachment for shutters : en
  • US2206380A - Soundhead : en
  • US2206850A - Treating sheets or strips of casein plastics : en
  • US2206277A - Refractory material for use in basic process siderothermic furnaces : en
  • AU110896B2 - Machine for filling forms with biscuit material : en
  • US2206430A - Electrolytic condenser : en
  • US2206346A - Pressure catch : en
  • US2206433A - Antioxidant : en
  • US2206010A - Receiving apparatus : en
  • US2206066A - Process of treating beers and ales : en
  • US2206797A - Making dies for plastic lenses : en
  • US2206111A - Shutter actuating means on the body of a folding camera : en
  • US2206206A - Recording and classifying information : en
  • US2206744A - Doorstop and holder for automobiles : en
  • ES144850A1 - An elastic suspension device for stretcher support frames. : en es
  • AU538638A - Device for attracting and destroying small living organisms by means ofa web of fabric passed through by electric current : en
  • USD121356S - Design for a textile fabric : en
  • US2206059A - Fibrous glass felt : en
  • US2206078A - Assist strap : en
  • DK57740C - Method for Silicon Curing of Metal Objects. : da en
  • CA389763A - Radio receiver : en fr
  • DE693154C - Agitator for mechanical roasting stoves : de en
  • DE693213C - Motorbike with an engine gear block mounted in the frame : de en
  • DK57754C - Process for the production of homogeneous coal tar-petroleum bitumen mixtures. : da en
  • DE693066C - Process for the preparation of durable and injectable organic calcium salt solutions : de en
  • ES144875A3 - A procedure for the preparation of iron-free cupric solutions. : en es
  • GB523005A - Arrangement in selector multiples : en
  • CA389753A - Dispensing container closure : en fr
  • GB523135A - Improvements in or relating to safety control means for cutting and like machines : en
  • AU110855B2 - Kerf cutting machines : en
  • AU173939A - Improvements in or relating to phase responsive apparatus : en
  • DE693231C - Process for improving the permanent magnetic properties of alloys made of aluminum, cobalt, copper, nickel and iron : de en
  • AU520439A - Improvements in measuring taps : en
  • DE693249C - Glass forming machine : de en
  • AU110844B2 - An improved float controlled valve : en
  • AU110868B2 - Method of compounding rubber : en
  • US2206019A - Handle for fish poles : en
  • US2206245A - Lubricant composition : en
  • US2206469A - Safety means for wringer rolls : en
  • US2206227A - Manufacture of acetaldehyde by : en
  • US2206353A - Preformed knock-down display article : en
  • USD121269S - Textile fabric or similar article : en
  • USD121347S - Design for a textile fabric : en
  • AU287239A - Method of and apparatus forthe manufacture of asbestos-cement and like fibrous sheet : en
  • AU494539A - Improvements in and relating to the chilling of glass for tempering : en
  • US2206324A - Safety switch : en
  • US2206521A - Illuminating apparatus : en
  • US2206579A - Railway traffic controlling apparatus : en
  • US2206552A - Method of burning liquid fuel or the like : en
  • US2206513A - Liquid heater : en
  • DE693338C - Connection for mutually adjustable, but not rotatable machine parts : de en
  • AU562438A - Trim molding and method of making thesame : en
  • CA389790A - Railway traffic controlling apparatus : en fr
  • US2206134A - Multiple motion picture projector : en
  • US2206284A - Concentrated aqueous solutions of the ammonium salts of disubstituted dithiophosphoric acids : en
  • US2206549A - Welding apparatus : en
  • US2206760A - Calculating device for regrading a set of marks : en
  • US2206803A - Mold for building tile : en
  • US2206047A - Tap and die holder : en
  • US2206179A - Apparatus for automatically spraying lumber with preservative fluid : en
  • CA389759A - Metallic screen product : en fr
  • GB522938A - An improved fastening device for use with bolts and like threaded members : en
  • GB523139A - Improvements in and relating to processes for continuous fractional distillation : en
  • DE693200C - Angle measuring device, especially sextant : de en
  • DE693324C - Wetting agents, emulsifiers and detergents : de en
  • US2206821A - Antenna system : en
  • US2206349A - Tamping roller tooth : en
  • US2206750A - Toy : en
  • CA389765A - Radio signal rectifying and amplifying system : en fr
  • US2206029A - Deformable foot support for shoes : en
  • US2206464A - Floor fastening : en
  • DE693124C - Circulating melting or roasting furnace with indirect heating of the goods : de en
  • GB522990A - Improvements in or relating to time fuzes for projectiles and in particular aerial bombs : en
  • GB523003A - Improvements in electrically-controlled brakes for rotating parts : en
  • DE693334C - position : de en
  • DK57746C - Support stand for smaller office machines. : da en
  • DE693312C - Gap for sound film devices : de en
  • US2206775A - Card holder : en
  • DE693226C - rmexchange ongoing reactions : de en
  • DE693294C - Device for monitoring adjustable organs : de en
  • US2206845A - Apparatus for supplying gas : en
  • US2206819A - Prolamin solutions and method of preparing same : en
  • ES144738A1 - SLOT-MANEUVERED TWO-STROKE POLYLINDRICAL COMBUSTION ENGINE : en es
  • GB523114A - Improvements in or relating to wheeled stretchers, hand trollies and like hand-propelled carriages : en
  • DE693377C - others for roll speaking machines : de en
  • GB522993A - Improvements in friction drive mechanism : en
  • GB523074A - Improvements in or relating to radio receiving systems : en
  • US2206231A - Communicating system : en
  • US2206812A - Drop hammer die and method of forming same : en
  • USRE21502E - Treatment of pulps : en
  • DE693149C - Process for the production of primers for sheet metal painting : de en
  • DE693308C - Device for automatic recording of measured values by means of spark marks : de en
  • US2206745A - Stoker and drive mechanism therefor : en
  • ES144422A1 - Cyclist protector : en es
  • GB523138A - Method of and apparatus for coating sheet material : en
  • US2206544A - Telephone system : en
  • US2206436A - Time delay mercury switch : en
  • ES144512A1 - A procedure to obtain liquid hydrocarbons. : en es
  • CA389800A - Paper cup making machine : en fr
  • US2206367A - Soundhead : en
  • US2206683A - Ultra short wave attenuator and directive device : en
  • US2206652A - Explosive : en
  • US2206321A - Fishhook and snell : en
  • GR9082B - WHITE AUTOMATIC AUTOMATICALLY AND WITHOUT A STICK. : el en
  • ES144574A1 - Portable device for dispensing liquids or viscous materials, such as lubricating oils or greases or the like. : en es
  • ES144443A1 - A procedure for obtaining a new flexible and consistent procedure at the same time, which replaces with advantage the leather, linoleum, rubber, gummed cloth and gutta-percha. : en es
  • ES144492A1 - Improvements introduced in the construction of reinforced concrete roofs. : en es
  • ES144928A1 - A system for the forced aeration of rooms with filtered or regenerated natural air. : en es
  • GB523109A - Manufacture of cyano or thiocyano compounds : en
  • US2206806A - Initial application : en
  • DE654630C - Method and device for the sifting of floating fibrous materials, in particular for paper, cardboard, wood and cellulose production : de en
  • DE693353C - propyldimethylamine : de en
  • SE99306C1 - : en
  • US2206173A - Oiler : en
  • US2206309A - Process of preparing pyridylmercuric salts : en
  • US2206390A - Ultra high frequency radio receiver : en
  • DE693082C - : de en
  • US2206105A - Camera shutter : en
  • US2206605A - Former for garments : en
  • US2206533A - Chair : en
  • US2206858A - Ventilating apparatus : en
  • GB523132A - An improved sheet metal can and opening tool therefor : en
  • US2206320A - Dispensing device for sheet material : en
  • GB523101A - Improvements in or relating to inhalation apparatus : en
  • US2206068A - Machine for producing shapes : en
  • US2206224A - Telephone call transmitter : en
  • US2206388A - Oscillation generator : en
  • US2206128A - Vat dyestuffs of the anthraquinone series : en
  • US2206077A - Journal bearing : en
  • US2206512A - Remote control for radio receiving sets : en
  • US2206136A - Nonskid attachment for shoes : en
  • US2206586A - Apparatus for operating vehicle controls : en
  • DE693148C - High voltage fuse : de en
  • US2206415A - Method of making electronic photomicrographs : en
  • US2206192A - Control device for camera and sound recorder : en
  • ES144976A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF PATENT NUMBER 144824 : en es
  • USD121301S - Design for a housing for signal device : en
  • DE693010C - Beam splitter to avoid weir vibrations on overflowing weir flaps : de en
  • CA389752A - Pump, compressor, etc. : en fr
  • DE693223C - Cold rolling mill for rolling out endless strips : de en
  • GB523081A - Manufacture of condensation products : en
  • US2206269A - Ink feeding device : en
  • US2206647A - Hand lever : en
  • US2206359A - Spring mounting for vehicles : en
  • US2206423A - Telegraph system : en
  • US2206607A - Folder for web printing presses : en
  • US2206630A - Fishing float : en
  • US2206763A - Manufacture of metallic receptacles : en
  • US2206590A - Portable transmission system : en
  • DE693206C - Device for spreading cut grass : de en
  • ES144728A1 - Procedure for the electrolytic production of protective layers in magnesium pieces and their alloys. : en es
  • ES144599A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144589 : en es
  • DE693127C - Savings calendar : de en
  • DE693332C - Joint for support arms of electrical lights : de en
  • CA389797A - Electric range timing control mechanism : en fr
  • DE693051C - Circuit arrangement for the single step control of motors used as single drives for dialers in telecommunications systems or the like : de en
  • DE693071C - Pipe branch : de en
  • AU110884B2 - Oscillation generators : en
  • US2206255A - Tool handle fastener : en
  • US2206175A - Sound-excluding ventilating window : en
  • US2206657A - Adjustable mounting for brake shoes : en
  • US2206151A - Process of sulphurizing oils : en
  • GB522899A - A combined powder puff and powder scoop : en
  • CA389764A - Radio volume control system : en fr
  • CA389789A - Hydraulic anvil for fastener setting machines : en fr
  • AU284239A - Collar and method of making thesame : en
  • US2206271A - Electrical space discharge device : en
  • US2206412A - Disposable article : en
  • DE693267C - Drinking doll : de en
  • US2206091A - Alternating current rectifier : en
  • US2206624A - Typewriters : en
  • CA389692A - Metal cutting saw : en fr
  • AU302639A - Improvements relating to electric relays : en
  • DE693165C - Radial block bearings, especially for rolling mills : de en
  • DE693182C - Device for measuring direct current : de en
  • AU477039A - Improvements in or relating to thermionic valves incorporating guiding grids : en
  • DE693142C - Clutter, especially for wool : de en
  • CA389674A - Automobile trouble lamp : en fr
  • DE693257C - Two-stroke internal combustion engine with flushing or loading and exhaust slots lying opposite one another : de en
  • DK57737C - Steam generator with Radiation tube lined Boiler room. : da en
  • GB522957A - Improved process of and apparatus for treating food products : en
  • US2206190A - Method of pictorial control and material for use therein : en
  • DE693046C - in the presence of a catalytically adsorbing or absorbing or inert filling compound : de en
  • DE693061C - Process for the production of Kuepen dyes : de en
  • ES142109A1 - Perfections in the devices of permanent waving of the hair. : en es
  • AU110848B2 - Improved pump adaptable asa water pump for internal combustion marine engines : en
  • GB523077A - Improvements in or relating to protective arrangements for electric motors : en
  • US2206488A - Water pump : en
  • GB523078A - Improvements in or relating to cutter chains for mining machines : en
  • GB523094A - Improvements in or relating to selector switches, as for automatic telephone systems : en
  • AU114429B2 - Process and apparatus for the production of magnesium by means of thermic reduction : en
  • GB522958A - Improvements relating to hot-water central heating systems : en
  • US2206827A - Device for differentiating and indicating the relative occurrences of a sequence of events : en
  • AU110869B2 - Improvements in or relating to concrete and like mixers : en
  • ES144929A1 - A method and a device for the shipment of liquid couplings, especially of a high number of revolutions. : en es
  • DE693076C - Method and device for setting jaw crushers : de en
  • US2206204A - Juice separator and pulp ejector : en
  • US2206825A - Tunnel liner : en
  • US2206701A - Rectifier circuits : en
  • GB522983A - Improvements in the vulcanization of rubber : en
  • US2206674A - Electric solder box : en
  • GB522893A - Improvements in or relating to the packaging of tools : en
  • GB522991A - Improved rotary pump : en
  • US2206796A - Venetian blind : en
  • US2206435A - Remote control system : en
  • DE693098C - Weight compensation for auxiliary devices arranged at the foldable storage place of an X-ray device : de en
  • GB522914A - Improvements in or relating to photographic cameras : en
  • DE693024C - Process for the production of sulfur dyes : de en
  • DE693362C - Shielded ultra-short wave superimposition device : de en
  • DE693272C - backpack : de en
  • DE693277C - Method for regulating the charging air pressure in internal combustion engines with exhaust gas gyro fans : de en
  • DE693129C - Lubricating oil circuit for internal combustion engines : de en
  • GB523040A - Improvements in typewriting machines : en
  • US2206218A - Comparing and checking machine : en
  • US2206333A - Motion picture film printer : en
  • US2206459A - Mold extractor control : en
  • US2206465A - Hob cutting machine : en
  • CA389793A - Combined telegraph printer and perforator : en fr
  • US2206208A - Paint brush : en
  • US2206427A - Sound reproducing apparatus : en
  • US2206474A - Airplane control column : en
  • US2206186A - Rotary printing press : en
  • US2206187A - Method of increasing production of oil wells : en
  • ES144899A3 - Gyroscopic toy. : en es
  • GB523100A - Improvements in typewriting machines : en
  • GB523034A - Improvements in or relating to electric elevator control systems : en
  • DE693153C - Process for impregnating loose, unspun, cohesive fiber masses with thin-fluid, acidic rubber dispersions or rubber solutions : de en
  • GB522926A - Resilient corset stays : en
  • US2206287A - Zirconium oxide and method of making same : en
  • US2206660A - Counting device : en
  • US2206800A - Hydraulic shock absorber : en
  • US2206143A - Closure : en
  • US2206306A - Battery system : en
  • US2206322A - Diesel engine combustion chamber : en
  • DE693205C - Straw divider for mowing machines : de en
  • DE693219C - Carrier for the tensioning rollers of apron drafting systems with swiveling brackets : de en
  • US2206846A - Alloy steel : en
  • GB523007A - Improvements in or relating to stands for suspending fruit, particularly grapes : en
  • US2206681A - Fountain pen : en
  • US2206822A - Automatic windshield cleaner : en
  • USD121321S - Design fob a game board : en
  • DE693285C - Comb roller frame designed as a gear housing for tube rolling mills : de en
  • DE693323C - Method of gluing the outsole to the shoe upper leather : de en
  • USD121280S - Design for a faucet : en
  • US2206318A - Ball game apparatus : en
  • US2206833A - Thread inspection apparatus : en
  • DE693293C - Coupling for cylindrical wall boxes made of synthetic resin molding : de en
  • US2206563A - Railway track circuit apparatus : en
  • US2206835A - Well control equipment : en
  • AU272939A - An improved float controlled valve : en
  • US2206316A - Dough cutter : en
  • US2206718A - Backfire oil trap for air cleaners : en
  • DE693026C - Process for the production of perborate-containing curd soap : de en
  • AU110879B2 - Improvements in or relating to navigation aiding radio transmitters : en
  • US2206820A - Antenna system : en
  • US2206368A - Internal bath : en
  • US2206429A - Carpet sweeper : en
  • US2206788A - Elevating truck : en
  • US2206391A - Production of lubricating oils : en
  • AU305139A - Improvements in and relating to dynamo electric machines : en
  • CA389671A - Guard rail for bridges, etc. : en fr
  • AU110885B2 - Method of and apparatus forthe manufacture of asbestos-cement and like fibrous sheet : en
  • AU110878B2 - Improvements in or relating to electric circuit-breaking devices of the gas-blast type : en
  • DE693270C - Ribbon covers : de en
  • US2206799A - Radio tube socket : en
  • US2206857A - Folding truck for laundry baskets : en
  • DE693052C - Electrical plug coupling : de en
  • GB522933A - High vacuum pumps having vapour jet nozzles : en
  • CA389794A - Ski : en fr
  • DE691749C - Potato harvester with share and depositing device equipped with rake tines : de en
  • US2206299A - Bundle or box tying machine : en
  • US2206832A - Loom : en
  • ES144963A2 - A PROCEDURE AND DEVICE FOR THE MANUFACTURE OF GLASS WIRE : en es
  • US2206250A - Transformer : en
  • USD121350S - Design for a pin clip : en
  • USD121296S - Design for a ughting fixture : en
  • GB523026A - Improvements in advertising or display devices : en
  • DE693241C - Process for the production of cold stirred soaps : de en
  • DE693013C - Arrangement for interference suppression, especially radio interference suppression of electrical trains, such as trams and the like. like : de en
  • DE693299C - Process for the manufacture of a medicament : de en
  • CA389747A - Spinneret : en fr
  • DE693251C - Polarizing film : de en
  • US2206364A - Screw driver attachment : en
  • AU110888B2 - Trim molding and method of making thesame : en
  • CA389782A - Nitrosyl chloride decomposition : en fr
  • DE693145C - Process for the production of d-glutamic acid : de en
  • US2206126A - Photographic color developer : en
  • US2206256A - Frankfurter and method of tenderizing the same : en
  • US2206075A - Elevator car enclosure : en
  • DE693095C - Device for achieving a voltage characteristic curve for rectifier, initially slightly inclined at lower currents, but rapidly falling to zero at higher currents : de en
  • CA389706A - X-ray regulating system : en fr
  • US2206249A - Agents of capillary action from alkyl-amino-carboxylic acids with tertiary or quaternary bound nitrogen : en
  • US2206345A - Clothesline bracket : en
  • US2206587A - Copying machine : en
  • USRE21500E - Method of decarbonizing a carbon : en
  • DE693155C - Printing calculator, typewriter or the like. : de en
  • US2206653A - Line clamp : en
  • AU270239A - Improvements in remote control systems for electrical apparatus and distribution systems : en
  • DK57745C - Utensil for Cleaning Kitchen Sinks. : da en
  • USD121303S - Design fob a birdseed cup : en
  • DE693252C - Method and device for testing the exhaust gas turbidity in diesel engines : de en
  • GB522978A - Improvements in or relating to interchangeable wheels and wheel centres for tractors and the like : en
  • DE693115C - cracking noises caused by atmospheric or similar disturbances : de en
  • DE693163C - Device for unrolling sheets that have been rolled up to form a coil when they are hot : de en
  • DE693224C - Device for changing the rolls of rolling mills : de en
  • US2206371A - Automatic safety control and change-over : en
  • US2206514A - Combination venetian blind, drapery rail, and cornice mount : en
  • US2206031A - Pipe coupling tapping machine : en
  • US2206531A - Brake lever : en
  • US2206056A - Method and apparatus for making fibrous sheetings : en
  • US2206307A - Machine for making rail anchors : en
  • US2206714A - Method of making attachment caps : en
  • AU522839A - Improvements in or relating to concrete and like mixers : en
  • US2206407A - Method of preparing alkaloids from "tamasaki-tsuzurafuji" (stephania cepharantha, hayata) of the menispermaceae family : en
  • US2206500A - Process for preparing solid paraffins : en
  • US2206447A - Pumping system : en
  • US2206830A - Beverage container : en
  • ES144600A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT 144585 : en es
  • CA389695A - Dentifrice : en fr
  • US2206705A - Refrigerating apparatus : en
  • US2206713A - Photoelectric apparatus : en
  • CA389772A - Navigational system : en fr
  • DE693028C - laundry detergent : de en
  • GB522930A - Improvements in control systems for electrical heating units : en
  • AU280239A - Improved felt pressing machine : en
  • US2206071A - Conversion of hydrocarbon oils : en
  • CA389773A - Wrapping paper : en fr
  • US2206698A - Ladder tape : en
  • USPP407P - Rose plant : en
  • AU110875B2 - Improvements relating to alternating electric current rectifiers ofthe selenium type : en
  • US2206602A - Corner fastening for beds : en
  • US2206454A - Antioxidant : en
  • USD121323S - Refrigerator cabinet or similar article : en
  • DE693278C - Socket pipe connection : de en
  • CA389749A - Pumping apparatus : en fr
  • US2206085A - Screw : en
  • DE693197C - Gas-heated water heater with a low water protection device : de en
  • US2206301A - Roll stop mechanism : en
  • DE693158C - kcylinders : de en
  • ES144617A3 - A flooring made of fired clay elements that form beams and filling elements. : en es
  • US2206585A - Process for the separation of trimethylamine from mixtures of trimethylamine and dimethylamine : en
  • AU514839A - A process for preparing planographic printing plates : en
  • US2206621A - Pneumatic tire tube : en
  • US2206092A - Folding step stool : en
  • USD121315S - Design for a flashlight : en
  • US2206165A - Tobacco pipe : en
  • CA389799A - Vehicle transportation m : en fr
  • AU110907B2 - Improvements relating to control systems for aeroplanes : en
  • AU115320B2 - Improvement in automatic distributors of goods : en
  • CA389723A - Refrigerant flow restrictor : en fr
  • US2206268A - Newspaper display bag : en
  • CA389796A - Automobile heater and defroster : en fr
  • AU110873B2 - Improvements relating tothe manufacture of alternating current rectifiers : en
  • US2206211A - Casting press : en
  • US2206222A - Well drilling tool : en
  • CA389805A - Liquid congealing apparatus : en fr
  • US2206583A - Typewriting machine : en
  • US2206780A - Leak resistor : en
  • US2206837A - Signaling apparatus : en
  • CA389786A - Resilient wheel : en fr
  • DE693070C - Lower part for cloth knobs : de en
  • DK57741C - Device for Coupled Circuits in Radio Receivers. : da en
  • CA389680A - Balanced door : en fr
  • US2206217A - Lamp mounting : en
  • US2206758A - Parasiticidal preparation : en
  • CA389721A - Oscillating fan : en fr
  • US2206182A - Automotive brake construction : en
  • US2206746A - Method of preparing skelp for welding : en
  • GB523041A - Improvements in or relating to gas producers : en
  • US2206815A - Receptacle for liquid sprayers : en
  • USD121267S - Textile fabric or similar article : en
  • CA389683A - Tandem-axle hook-up equalizer : en fr
  • AU564638A - Improvements inthe construction of metal windows : en
  • US2206556A - Signaling apparatus : en
  • US2206738A - Dusting tool for use with vacuum cleaners : en
  • US2206532A - Shutter mechanism for cameras : en
  • US2206565A - Flier for spinning machines : en
  • CA389697A - Pipe press : en fr
  • CA389698A - Aircraft wing : en fr
  • CA389720A - Circuit breaker : en fr
  • CA389798A - Garment supporter clasp : en fr
  • AU275839A - Improved loader for motor vehicles : en
  • GB523087A - Record strips suitable for use in manifolding machines : en
  • US2206161A - Form-retaining appliance for wearing apparel : en
  • USD121277S - Design fob a game board : en
  • US2206467A - Supporting mechanism : en
  • DE693230C - Loading device for shaft ovens, e.g. B. blast furnaces, generators, etc. like : de en
  • ES144687A1 - A process and apparatus for bleaching cellulose by chlorine gas. : en es
  • GB522920A - Photographic photo-electric exposure meter : en
  • GB523069A - Improvements in or relating to carrier-telephony systems : en
  • GB523108A - Improvements in or relating to means for de-icing surfaces of aircraft : en
  • US2206376A - Production of hydrocarbons of the gasoline type : en
  • DE693276C - Device for determining the degree of acidity in a half potentiometer circuit with automatic temperature compensation : de en
  • DE693347C - Coke cake guide car for horizontal chamber ovens : de en
  • US2206434A - Thermoplastic composition : en
  • GB522977A - A device for supporting mirrors : en
  • GB523019A - Improvements in or relating to the manufacture of yeast : en
  • DE693232C - Movable roadway : de en
  • GB523145A - Improvements in or relating to the suspension and releasing of ships boats from davits : en
  • AU284139A - Improvements relating to control systems for aeroplanes : en
  • DE693093C - Airspace-insulated telecommunications conductor, in particular for telecommunications sea cables, which is held within a self-supporting conductive metal shell by means of brackets attached at certain distances : de en
  • DE693279C - Light protection device on photographic and cinematographic apparatus : de en
  • USD121326S - Combined spout and closure for bottles : en
  • US2206170A - Starching machine : en
  • CA389767A - Radio noise reduction : en fr
  • US2206048A - Propellant charge : en
  • US2206816A - Side arm equipped glassware : en
  • DE693210C - Semi-automatic copier for film strips : de en
  • DE693342C - Street cap for valves, hydrants, etc. like : de en
  • US2206185A - Apparatus for guiding and stabbing successive sections of oil or gas well casings : en
  • US2206197A - Wind driven vehicle : en
  • GB522907A - Improvements in or relating to hair curlers : en
  • DE693356C - Regulation of relaxation machines : de en
  • US2206026A - Method for determining the coating weight of tin on tin plates : en
  • US2206138A - Method and apparatus for perforating motion picture films : en
  • US2206438A - Inflatable toric article and method of making the same : en
  • US2206506A - Directional instrument : en
  • US2206637A - Direction indicating radio receiver : en
  • US2206490A - Recovery of acetylene : en
  • GB523050A - Photo-electric testing generator for image reproducing systems : en
  • DE693214C - Liquid filling machine : de en
  • GB523096A - Improvements in or relating to electric mine lamps : en
  • US2206023A - Vehicle guard : en
  • GB523082A - Improvements in or relating to the production of butter : en
  • GB522995A - Improvements in or relating to automatic controlling mechanism for variable speed gear units and the like : en
  • US2206416A - Differential electrical meter : en
  • US2206747A - Welding apparatus : en
  • GB523131A - Improvements in or relating to photographic bellows : en
  • US2206489A - Electric discharge vessel : en
  • US2206509A - Radio tube manufacture : en
  • DE693085C - Upper bunk for vehicles, especially motor vehicles : de en
  • GB522911A - Improvements in and relating to fluid cooling systems : en
  • USD121285S - Design for a signal chime : en
  • US2206098A - Plastic casting device : en
  • US2206839A - Method of treating steel rail and the resulting rail and joint : en
  • DE693346C - Door for chamber furnaces for the production of gas and coke : de en
  • US2206081A - Optical glass : en
  • US2206259A - Muffler : en
  • CA389751A - Packaging method : en fr
  • DE693229C - Compression refrigeration machine : de en
  • AU110898B2 - Improvements in measuring taps : en
  • US2206777A - Range-finding and projectile-releasing means for aircraft : en
  • DE693282C - Bucket chain excavator with an excavator superstructure carrying the bucket ladder, pivotable in a horizontal plane and adjustable in vertical planes that are perpendicular to one another : de en
  • US2206014A - Fruit box liner : en
  • US2206210A - Process of removing materials containing phosphatides from vegetable oils : en
  • US2206232A - Apparatus for drafting textile slivers or rovings : en
  • CA389803A - Laminated paper-board : en fr
  • ES144593A1 - A procedure to obtain gasiform olefins, liquid fuels for engine service. : en es
  • GB522931A - Improvements in or relating to automatically operable gates and the like : en
  • US2206298A - Method and apparatus for the control of temperature : en
  • US2206401A - Centrifugal apparatus : en
  • USD121353S - Design for a picture frame : en
  • CA389735A - Phase-correcting low-pass filter : en fr
  • US2206146A - Control of transmission and two-way signaling systems : en
  • US2206516A - Electron tube : en
  • US2206343A - Wiper blade attachment : en
  • US2206823A - Magnet control circuit : en
  • USD121266S - Portable combined seat and back rest : en
  • US2206275A - Manufacture of shoes : en
  • US2206785A - Multiple fuse : en
  • USD121307S - Design for a lighting fixture : en
  • USD121311S - Design for a woven pile fabric : en
  • GB523018A - Colour photographic material : en
  • US2206041A - Variable tuned transformer : en
  • US2206361A - Fuel metering distributor : en
  • US2206646A - Clutch mechanism : en
  • CA389808A - Rail contact resistance decreasing apparatus : en fr
  • US2206424A - Coffee making machine : en
  • DE693260C - pipe of crankshaft legs or camshafts : de en
  • US2206354A - Starch amines : en
  • US2206548A - Racket : en
  • GB523065A - Improvements relating to apparatus for the production of electric oscillations : en
  • US2206069A - Tripod leg clamp : en
  • US2206394A - Leaf binding device : en
  • GB522961A - Improvements in freezing trays : en
  • DE693171C - Carbon paper holder : de en
  • CA389775A - Milk product : en fr
  • GB522889A - Improvements in and relating to wire broadcasting receivers : en