• US2207493A - Means for feeding a continuously uniform quantity of fluids : en
  • US2207523A - Chuck : en
  • US2207627A - Process for the manufacture of ammonium dithiocarbamate : en
  • AT159139B - Device for continuous or interrupted saturation of sugar juices. : de en
  • BE437610A - : en
  • USD121446S - Design fob a dress ensemble : en
  • US2206894A - Method and apparatus for electrical logging : en
  • CA389855A - Tire chain link : en fr
  • AU139539A - Method and apparatus for grinding or polishing metal sheets : en
  • US2207203A - Support for upset pipe or rod : en
  • US2207503A - Electron device : en
  • DE693543C - Nen conductors existing winding for electrical machines, especially for machines working under water : de en
  • USD121370S - Design fob a foot plate fob rollee skates : en
  • US2207537A - Electrical communication system : en
  • AT159145B - Garbage truck with a screw conveyor. : de en
  • CA389861A - Weighing or measuring apparatus indicating mechanism : en fr
  • US2207017A - Milk bottle carrier : en
  • US2207445A - Platform ladder : en
  • AT159080B - Device for voltage regulation of single-phase circuits that are branched off from three-phase secondary networks. : de en
  • DE621203C - Telegraph device for secret signs : de en
  • US2207395A - Measuring and dispensing device : en
  • US2207574A - Double twist twisting spindle : en
  • US2207293A - Buttonhole attachment for sewing machines : en
  • USD121394S - Lormor photo enlarging mask : en
  • USD121404S - Design for an atomizer : en
  • US2207618A - Filter : en
  • US2207357A - Furnace charger : en
  • DE693408C - Manufacture of workpieces with thick inner and thin flange parts : de en
  • DE693463C - Power driven cutting or notching device for the extraction of coal and other minerals : de en
  • DK57763C - High pressure metal vapor discharge lamp. : da en
  • AU243039A - Improvements in or relating to means for controlling the frequency bandwidth ofa pair of tuned magnetically coupled circuits : en
  • DE693423C - Indoor extra-high voltage switchgear : de en
  • DE693522C - Method and device for the impregnation of particular objects : de en
  • AU294439A - Improvements in or relating to relaying or repeating systems : en
  • CA389864A - Draft gear yoke : en fr
  • AT159138B - Method and device for operating a generator gas power plant, consisting of a gas generator and an internal combustion engine. : de en
  • CA389849A - Lipstick device : en fr
  • CA389837A - Flush-face joint moulding : en fr
  • AT159134B - Process for the preparation of compounds containing metals and sulfhydryl groups. : de en
  • US2206870A - Rotating loop antenna : en
  • US2207170A - Adapter coupling : en
  • US2207659A - Cleaning apparatus : en
  • US2207420A - Window covering : en
  • US2207058A - Printing telegraph circuit : en
  • GB523293A - Improvements in or relating to a viewing device for motion picture cameras : en
  • DE693576C - Frame shoe : de en
  • US2207035A - Accumulator plant : en
  • AT159062B - Arrangement for the distribution of several carrier-frequency transmitted messages over existing line networks. : de en
  • US2207237A - Grading machine : en
  • US2207638A - Game : en
  • USD121422S - Combined sound picture machine and case therefor : en
  • US2207037A - Heat exchanger : en
  • US2207139A - Measuring tap : en
  • DE693562C - Teaching for checking hole spacing on bolt-shaped bodies : de en
  • DE693405C - Cutting machine for flat dough pieces : de en
  • US2207635A - Liquid pressure remote control system : en
  • USD121452S - Design for a dress ensemble : en
  • DE693450C - Taps for machine tapping : de en
  • DE693456C - Drive device for motor vehicles, in particular for sports purposes : de en
  • US2206896A - Radiant energy distance measuring system : en
  • US2207467A - Automatic tuning device for radio receivers : en
  • GB523220A - Improvements in or relating to the removal of cuttings from lathes and like machine tools : en
  • GB523252A - Process for the conversion of hydrocarbons : en
  • US2207045A - Production of aminoanthraquinone compounds : en
  • US2207112A - Liner construction for slush pumps : en
  • AT159091B - Generator with an output voltage that is proportionate to the excitation voltage. : de en
  • AT159140B - Process for the manufacture of coated, impregnated or layered products. : de en
  • AU143339A - Improvements in machines for planing metal sheets : en
  • CA389853A - Cutting machine : en fr
  • US2207025A - Aquatic amusement device : en
  • US2207346A - Filter : en
  • US2207104A - Letoff for multibeam looms : en
  • US2207358A - Cooking stove oven : en
  • US2207581A - Preparation of products containing valuable hydrocarbons or their derivatives : en
  • US2207647A - Thermocouple : en
  • USD121401S - Design for a textile fabric : en
  • DK57766C - Accounting machine with Calculator. : da en
  • DE692941C - Folding sliding gate made of several gate panels combined in groups by joints : de en
  • DE693464C - Process for the production of very thin wires : de en
  • USD121374S - Design fob a brooch pin ob similar article : en
  • GB523162A - Improvements in envelopes or bags and the manufacture thereof : en
  • US2207091A - Shoe sole protector : en
  • US2207558A - Electrical heating element : en
  • US2207419A - Apparatus for photographic image production : en
  • GB523297A - Improvements in or relating to scaffolding and like clips or clamps : en
  • US2207086A - Bottle holder : en
  • US2207141A - Zigzag machine with two needles and two hooks : en
  • US2207591A - Doughnut machine : en
  • GB523217A - Improvements in or relating to electric blasting initiators : en
  • DE693496C - windshield wipers : de en
  • GB523164A - Improved method of and means for forming or dressing the operative surface of grinding wheels : en
  • GB523312A - Improvements in cement and asbestos base mixtures used as plaster work, covering layers or walls : en
  • GB523188A - Method and apparatus for the filtration of cyanide solutions : en
  • GB523153A - Improvements in straight-bar knitting machines : en
  • GB523360A - Improvements in and relating to protective gear for electric power lines : en
  • GB523365A - Improvements in fuel regulating means for coke ovens : en
  • DE693486C - Safety device, especially for internal combustion engines : de en
  • AT159075B - Circuit arrangement for switching a consumer. : de en
  • DE692538C - Silencer for internal combustion engines, in which the exhaust gases are led into the open air through annular fins : de en
  • USD121448S - Design for a dress ensemble : en
  • DE693564C - Device for washing and chopping beetroot leaves : de en
  • US2207187A - Combined fluid and rotary driven drilling bit : en
  • US2207528A - Sanitary toothpick dispenser : en
  • DE693485C - Filling device for measuring vessels for pourable goods : de en
  • CA389879A - Rubber derivative : en fr
  • US2207180A - Plant marker : en
  • US2206944A - Furnace construction : en
  • US2207229A - Textile sizing : en
  • US2207475A - Dispenser for paper sheets : en
  • US2207495A - Roller bearing twisting spindle : en
  • US2207171A - Track for toy trains : en
  • US2206927A - Detecting the emergence of a projectile from the muzzle of a gun barrel : en
  • USD121361S - Design for an ice cream cone : en
  • GB523206A - Improvements in or relating to the heating of aircraft : en
  • DE693413C - Exchange double floor for exchange columns : de en
  • DE693544C - Liquid-filled, in particular oil-filled electrical machine surrounded by air : de en
  • US2207172A - Brake : en
  • US2207263A - Radio beacon : en
  • US2207277A - Coilable measuring device : en
  • GB523192A - Improvements in or relating to luminous signs : en
  • GB523260A - A method of and means for closing the mouths of paper or other similar bags : en
  • GB523247A - Improvements in or relating to tanks or reservoirs : en
  • GR9085B - IMPROVEMENTS IN THE MAKING OF POLYMER MATERIALS. : el en
  • US2207067A - Combined reamer and undercutter : en
  • GB523285A - Improvements in and relating to conveyor roller trains : en
  • GR9089B - COMPOSITE HORSE ROOF FOR AT THE SAME TIME COMPLETE CARVING AND LANDING. : el en
  • GB523313A - Improvements in hose clips : en
  • US2207529A - Saw-tooth wave generator : en
  • DE693555C - Fastening device for ladder rungs, tool handles or the like. : de en
  • DE1488844U - : de en
  • US2206865A - Transparency exhibitor : en
  • US2206990A - Band-pass filter : en
  • US2207585A - Glass decorating : en
  • GB523393A - Improvements in or relating to electrical switchgear for starting electric motors : en
  • DE693556C - Ratchet device to hold the gate frame in place and lock the belt drive on saw gates : de en
  • US2206932A - Device for sharpening phonograph needles : en
  • US2207129A - Flow valve : en
  • US2207533A - Carburetor : en
  • US2206995A - Outlet : en
  • USD121419S - Design for a bottle : en
  • US2206917A - Process for preparing cyclopropane : en
  • US2207219A - Variable speed transmission device : en
  • GB523303A - Improvements in or relating to the removal of aluminium as an impurity from tin-containing metals or alloys, such as lead-tin alloys : en
  • US2206985A - Dispensing receptacle : en
  • US2207217A - Electric discharge device : en
  • US2207426A - Apparatus and method for the preparation and handling of plastic material : en
  • US2207385A - Preparation of vitamin concentrate : en
  • CA389872A - Phosphorus acid ester : en fr
  • DK57770C - Apparatus for Pressure Injection of Fuel into Internal Combustion Engines. : da en
  • GB523314A - Improvements in hose clips : en
  • DE693504C - Device for molding ceramic bodies, in which finely powdered ceramic material is poured into the cavity of a mold block : de en
  • DE693574C - Device for reducing the resistance of flow bodies : de en
  • US2207031A - Cotton gin breast mounting : en
  • US2207597A - Decolorizing titanium tetrachloride : en
  • AU110961B2 - Improvements in belt conveyors or carriers : en
  • CA389928A - Rubber vulcanization : en fr
  • US2207525A - Chuck : en
  • USD121416S - Design for a textile fabric : en
  • GB523299A - Improvements in float controlled valves : en
  • USD121459S - Design for a two-loop boucle yarn : en
  • DE693393C - Process for the manufacture of footwear without an insole : de en
  • GB523199A - Improvements in or relating to metal or other grinding or cutting machines : en
  • GB523280A - Improvements in arrangements especially adapted to indicate failures of supply in electric distribution systems : en
  • GB523174A - Improvements relating to gear change mechanism for motor vehicles : en
  • GB523239A - Improvements in or relating to absorption refrigerating systems : en
  • AT159120B - Electrically operated hand tool. : de en
  • AU298439A - Synchronisation systems : en
  • USD121436S - Design for a suitcase : en
  • USD121458S - Design for a necktie : en
  • DE693331C - Fixed tuning scale for radio receivers : de en
  • DE693455C - Elastic coupling, especially for driving motor vehicles : de en
  • CA389912A - Chewing gum : en fr
  • US2207351A - Stenciling apparatus : en
  • US2206972A - Ball type joint : en
  • US2207115A - Refrigerator shelf : en
  • US2207415A - Therapeutical preparation for the peroral treatment of hay fever and a method for the manufacture of same : en
  • US2207646A - Means for supplying reduced pressure steam to heat exchanging apparatus : en
  • US2207089A - Thread control for pneumatic thread extractors : en
  • US2207451A - Pull rim : en
  • US2207587A - Signal receiving system : en
  • USD121397S - Design fob a saddle for an ophthalmic mounting : en
  • GB523165A - Improvements in drawing instruments : en
  • USD121435S - Design for a handbag : en
  • AT159124B - Process for sensitizing halosilver gelatin emulsions. : de en
  • US2206925A - Transmission for a power device : en
  • US2207398A - Seismic surveying : en
  • US2207663A - Mechanism for holding and controling the feeding of coiled material : en
  • CA389926A - Rubber vulcanization : en fr
  • US2207088A - Fluid pressure spring device : en
  • US2206918A - Bottle holder : en
  • US2207156A - Artificial bristle and method of making same : en
  • AT159056B - Propellant gas supply device for internal combustion engines. : de en
  • DE693474C - Axle arrangement for low loader wagons : de en
  • CA389917A - Electrical exploration method : en fr
  • DE693572C - Device for demonstrating advertisements on doors : de en
  • AT159109B - Method of fulling wool. : de en
  • US2206921A - Process for desulphurization of hydrocarbons : en
  • US2207407A - Hat making apparatus : en
  • AU110915B2 - Improved means for connecting tractor ploughs to tractors : en
  • CA389906A - Stable vinyl resin : en fr
  • US2206883A - Aromatic-aliphatic acetals : en
  • DE693382C - Tree falling device : de en
  • DE693399C - Device for washing, sanding, polishing and applying paint to surfaces : de en
  • DE693482C - Breast pump : de en
  • US2207614A - Surgical device : en
  • US2207509A - Electrical oscillation generator : en
  • DE693573C - Process for the production of photographic and cinematographic combination recordings : de en
  • GB523197A - Improvements in inkwells : en
  • GB523262A - Process for breaking down the cells of bran and germs of cereals : en
  • DE693445C - Method for producing a layer of felt on balls that have been played, in particular tennis balls : de en
  • FI19401A - Sand filter tank : en fi
  • US2207450A - Musical tuning instrument : en
  • US2207586A - Refrigerated vegetable stand : en
  • USD121442S - Design fob a dress : en
  • USD121420S - Design fob a fluorescent lamp fixture : en
  • US2206922A - Means and method for locating oil bearing sands : en
  • US2207199A - Blowout preventer : en
  • US2207488A - Leaf rake : en
  • GB523308A - Improvements in mercury arc electric converters : en
  • US2207413A - Stapling mechanism : en
  • US2207002A - Fuel oil pump : en
  • US2207561A - Doughnut machine : en
  • US2207349A - Can body transfer conveyer : en
  • US2207568A - Latch mechanism for cold storage doors and the like : en
  • US2207243A - Volume compression device for sound reproducers : en
  • GB523158A - Improvements in or relating to printing inks : en
  • GB523161A - Improvements in or relating to mats of insulating material : en
  • GB523366A - Apparatus for counting moving objects and especially for counting railway vehicles : en
  • DE693407C - Horizontal extrusion press for the production of rod-shaped or tubular metal bodies : de en
  • DK57765C - Procedure for inserting and fastening a sealing strip consisting of a flat bronze band in windows and doors. : da en
  • GB523203A - Improvements in or relating to lubricant-conveying means for internal combustion engines : en
  • GR9084B - DURATION LIGHT AND VOLUME VARIABLE. : el en
  • DE693494C - en propeller hubcaps : de en
  • GB523319A - A spindle for lace and braid making machines : en
  • CA389856A - Tire anti-skid device : en fr
  • US2207161A - Velocipede : en
  • US2206969A - Scanning apparatus : en
  • US2207408A - Ceiling and wall lighting fixture : en
  • US2207284A - Liquid dispensing indicator : en
  • GB523246A - Improvements in or relating to transmission synchronizers : en
  • GB523304A - Improvements in or relating to colouring cellulose ester or ether materials : en
  • US2206878A - Process for preparing cyclopropane : en
  • USD121441S - Design for a grand piano : en
  • USD121367S - Design for a bottle : en
  • DE693421C - Squeegee arrangement for rotogravure printing machines : de en
  • DE693491C - Millstone : de en
  • US2207360A - Drier : en
  • GB523160A - Improvements in or relating to a method of printing porous paper, such as newsprint, and inks therefor : en
  • GB523223A - Improvements in or relating to the mounting of engines in motor vehicles : en
  • GB523363A - Improvements in means for gathering or pleating textile material more particularly for use in smocking and the like : en
  • DE693531C - Device for sealing the inlet and outlet chambers of continuous furnaces with beam hearth conveyance : de en
  • CA389838A - Tire : en fr
  • SE99333C1 - : en
  • US2207464A - Indicator or measuring means for knitting or other machines and method : en
  • US2207616A - Process of making a composite frozen edible product : en
  • US2207679A - Refrigerator car floor rack : en
  • GB523378A - Improvements in and relating to air heaters : en
  • US2207487A - Measuring line wiper and oiler : en
  • US2207634A - Control system for electrical heating units : en
  • US2207301A - Underfloor duct : en
  • DE693568C - especially for turning benches : de en
  • US2206920A - Apparatus for electrical control : en
  • US2207655A - Welding torch : en
  • USD121430S - Low wing cantilever monoplane : en
  • US2207266A - Photographic justifying machine : en
  • US2207288A - Draft gear : en
  • US2207491A - Fluid pressure remote control system : en
  • US2207678A - Refrigerator car : en
  • GB523367A - Improvements in or relating to joints for vacuum cleaner casings : en
  • DE693541C - Electric motor consisting of a lifting rotary magnet and an interrupter controlled by this : de en
  • DE693417C - Process for the preparation of N-alkyl compounds of aromatic amines : de en
  • DE693537C - Small switch with radio interference suppression : de en
  • GB523292A - Improvements in or relating to range finders : en
  • US2207100A - Method of making tire tread : en
  • DE693439C - hen pillow : de en
  • GB523154A - Improvements relating to the tuning of radio receivers : en
  • GB523211A - Improvements relating to the dressing of coals, shales and like carbonaceous substances : en
  • GB523350A - Improvements relating to devices for recording the speed, acceleration, retardation or stopping distance of a vehicle : en
  • DE693548C - Copal melting plant : de en
  • US2207029A - Typographical slug casting machine : en
  • DE693354C - Cross cutting device : de en
  • GB523190A - Process for saccharifying cellulose for obtaining from wood substances sugar solutions adapted to produce industrial alcohol : en
  • US2207333A - Refrigeration : en
  • GB523170A - Devices for curling and waving hair : en
  • GB523364A - Improvements in and relating to methods and apparatus for manufacturing table jellies and the like : en
  • GB523166A - Improved material applicable for use as table covers, table mats and similar purposes : en
  • DE693517C - , Shaving creams and similar substances : de en
  • US2207480A - Taper measuring caliper : en
  • US2207348A - Determination of the connate water content of oil producing formations : en
  • GB523185A - Manufacture of wet-strengthened paper products : en
  • GB523175A - Improvements in or relating to the starting of internal combustion engines : en
  • GB523234A - An improved lubricator for internal combustion engines : en
  • US2206923A - Short wave radio system : en
  • US2207099A - Tire and tread construction : en
  • US2207560A - Doughnut machine : en
  • US2207692A - Controllable radio aerial : en
  • DE693451C - Process for increasing the durability of objects which are destroyed during use by cracks emanating from the surface, in particular pilgrim thorns : de en
  • DE693387C - Process for the production of multicolored anaglyphic reflective and transparent images : de en
  • US2207400A - Valve stem packing : en
  • CA389868A - Circuit breaker : en fr
  • GB523331A - Improvements in devices for use in making pipe joints : en
  • GB523265A - Improvements in and relating to charging devices for mechanical furnaces comprising a throwing shovel : en
  • US2206941A - Reamer : en
  • US2207028A - Typographical slug casting machine : en
  • US2206942A - Method for relatively positioning a tool and a work blank in a reproducing machine : en
  • GB523172A - An improved support for books and other flat articles : en
  • DE693458C - Machine for filling and closing bottles : de en
  • DE693549C - Method for cementing the button pins of artificial teeth in metal, cylindrical casing shells of the dental prosthesis : de en
  • GB523243A - Improvements in hydrovanes and landing floats : en
  • GB523179A - Photographic material for taking colour photographs : en
  • GB523295A - Improvements in ophthalmic mountings : en
  • GB523237A - Improvements in and relating to methods of and apparatus for synchronising electrical machines : en
  • DE693518C - Method and device for producing a tar-free and hydrocarbon-free water gas : de en
  • GB523229A - Improvements in or relating to flexible multicore electric cables : en
  • CA389822A - Boat game : en fr
  • US2207551A - Projector for game apparatus : en
  • US2207233A - Process and composition for printing textile fabrics : en
  • US2207423A - Measuring apparatus : en
  • DE693473C - Device for overfilling liquefied gases : de en
  • DE693579C - Knocking machine for shoes : de en
  • US2207610A - Method of disposing of refinery wastes : en
  • US2207648A - Rod bundle transfer device : en
  • GB523333A - Improvements in caravans and like trailer vehicles : en
  • US2207020A - Apparatus for attaching soles to shoes : en
  • AT159087B - Small switch with ratchet wheel. : de en
  • AT159141B - Covers for printing rollers. : de en
  • AT159131B - Process for the preparation of 9-aminoacridines which are basically substituted in the amino group. : de en
  • CA389835A - Excavating apparatus : en fr
  • GB523383A - Improvements in and relating to electrical insulation : en
  • AT159055B - Jet pipe power switch. : de en
  • US2207448A - Bottom hole well plug : en
  • US2207520A - Ice cream container : en
  • DE691772C - Procedure for trimming individual stone blocks : de en
  • GB523353A - Improvements in or relating to modulation systems : en
  • US2207095A - Mattress : en
  • US2207684A - Shoe stiffener : en
  • GB523189A - Improvements in or relating to method of making chlorinated rubber : en
  • US2207362A - Vibration suppressor : en
  • AT159052B - Pressure medium force switch. : de en
  • AU340539A - Improvements in and relating to collars : en
  • CA389839A - Latch operating mechanism : en fr
  • AT159118B - Spray gun. : de en
  • GB523152A - Improvements relating to ths production of composite fabrics of or containing rubberor the like and bonding agents therefor : en
  • US2207059A - Trailer coupling eye : en
  • CA389866A - Transformer coupling unit : en fr
  • US2207405A - Extrusion process and apparatus : en
  • US2207071A - Process of converting compounds of the acetylene series into compounds of the ethylene series : en
  • US2207643A - Bowling alley : en
  • US2206915A - Roofing and siding material : en
  • DE693430C - Process for the production of water-insoluble azo dyes : de en
  • US2206866A - Hanging type of edge illuminated signs : en
  • DK57776C - Combination and Alarm mechanism for Laase. : da en
  • DE659179C - Device for applying the method : de en
  • DE693361C - Lever mechanism for station block systems : de en
  • DK57771C - Apparatus for continuous aeration of Margarine. : da en
  • AU110956B2 - Improvements in or relating to mechanism for operating tip trucks andthe like : en
  • AU241039A - Improvements in or relating to mechanism for operating tip trucks andthe like : en
  • GB523224A - Improvements relating to granulating machines : en
  • US2207012A - Memorial tablet mounting : en
  • AU496539A - Piston expander : en
  • AU110950B2 - Ventilating and sound reducing fitments for windows : en
  • GB523302A - Improvements in and relating to locks : en
  • GB523377A - Improvements in combinations of a high-pressure mercury-vapour lamp and circuit elements adapted to operate it : en
  • US2207442A - Dicyandiamide-formaldehyde resinous compositions : en
  • SE99360C1 - : sv
  • US2207234A - Voltage regulating device : en
  • US2207527A - Constant level apparatus : en
  • AT159071B - Travel switch with device for magnetic arc extinguishing. : de en
  • AU292539A - Improvements in or relating to radio direction finders : en
  • CA389888A - Fluid seal : en fr
  • DE693400C - Self-steering toy vehicle : de en
  • CA389870A - Electric lamp : en fr
  • US2207389A - Cathode ray tube deflecting circuit : en
  • CA389833A - Poultry feeder : en fr
  • CA389871A - Coloured fibre board : en fr
  • DE693436C - Hair curling device : de en
  • US2207082A - Solenoid : en
  • US2207367A - Spring suspension : en
  • US2207572A - Electromagnet : en
  • US2207694A - Insecticidal material of alkaloid pectates : en
  • US2207365A - Door operating mechanism : en
  • US2207422A - Protective motor starting switch : en
  • US2207550A - Table shuffleboard : en
  • US2207337A - Pump : en
  • US2207363A - Disinfected closet and the like : en
  • US2207624A - Thermosetting resin reaction product of furfural with an oxynaphthenic acid : en
  • US2207443A - Tire tool : en
  • CA389943A - Pen holder : en fr
  • CA389944A - Paper machine control mechanism : en fr
  • AT159123B - Emulsion inks for relief, gravure and flat printing. : de en
  • DE693566C - Device for protecting beds : de en
  • CA389899A - Fuse switch : en fr
  • US2207379A - Interchangeable pattern carrier for jacquard cards, particularly for knitting machines : en
  • AT159068B - Discharge tube with a vacuum vessel made entirely or largely of metal. : de en
  • DE693409C - Device for local dyeing of textile material rolls : de en
  • GB523194A - Improvements in fastening strips containing nuts : en
  • AT159110B - Device for adding additives to molten substances, in particular metals or their alloys. : de en
  • GB523268A - Process of manufacturing sugar and new molasses from sacchariferous plants : en
  • AU110925B2 - Improvements in or relating tothe manufacture of glass : en
  • CA389918A - Laminated paper : en fr
  • US2206979A - Paper unit dispensing device : en
  • CA389820A - Organic material : en fr
  • CA389867A - Radio receiving apparatus : en fr
  • CA389814A - Anti-slip fitting for vehicle wheels : en fr
  • CA389841A - Door lock : en fr
  • US2206980A - Gravity sei aration of ores : en
  • GB523182A - Improvements in and relating to cylinder constructions for internal combustion engines : en
  • AU110936B2 - Improvements in raising and lowering mechanism of agricultural implements : en
  • US2206986A - Dispensing device : en
  • US2207289A - Ferrous bearing member : en
  • DE693469C - Manufacture of shaped high-activity coal : de en
  • GB523352A - Improvements in mountings or holders for electron discharge tubes : en
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  • US2207107A - Resilient mounting for binders : en
  • US2207001A - Well equipment : en
  • US2207513A - Electrical testing apparatus : en
  • USD121381S - Design fob a textile fabric ob similar abticle : en
  • US2207111A - Chemical treatment in the manufacture of ethyl alcohol : en
  • US2207251A - Electric motor : en
  • US2207455A - Hammer unit for grinders, crushers, pulverizers, or similar mills : en
  • DE693386C - Paper filler : de en
  • US2207505A - Drill pipe orienting tool : en
  • US2206902A - Foot corrective device : en
  • US2207022A - Metal vise for tack buttons : en
  • US2207087A - Farming implement : en
  • US2207345A - Means and method of cementing wells : en
  • US2207375A - Photographic measuring and calculating scale : en
  • US2207588A - Apparatus for transferring thread : en
  • USD121410S - Design for a ridge ventilator : en
  • GB523200A - Improvements in or relating to agitators for suction cleaners : en
  • US2207447A - Motor truck : en
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  • US2207218A - Process for removal of dirt from pulp : en
  • GB523327A - Improvements relating to lubricating apparatus : en
  • GB523257A - Improvements in or relating to door machinery for horizontal coke ovens : en
  • GB523376A - Improvements in or relating to means for mounting rolls of paper or other web material : en
  • GB523348A - Improved means for driving high speed spindles : en
  • GB523210A - Improvements in or relating to arrangements for increasing the range of regulation of carbon column resistance regulators : en
  • GB523205A - Improvements in magnetic separators : en
  • GB523276A - Improvements in and relating to electric lighting fittings : en
  • US2207183A - Pumping apparatus : en
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  • US2207310A - Differential gear : en
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  • DK57760C - Shortwave or Ultra Shortwave TV Transmitter with one or more Modulation Circuits. : da en
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  • USD121396S - Design for a pair of spectacles : en
  • GB523267A - Improvements relating to universal bar mechanisms for typewriters : en
  • US2207008A - Fastening or anchoring means for insulator supporting pins : en
  • US2207432A - Varnish and process of making the same : en
  • DE693320C - Process for coloring food : de en
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  • USD121400S - Combination adhesive tape holder and dispenser : en
  • AU110933B2 - Improvements in and relating to electrical circuit breakers, cutout switches andthe like : en
  • GB523233A - Starting device for internal combustion engines : en
  • US2207006A - Trailer coupling : en
  • US2207096A - Laundry pressing machine : en
  • US2207065A - Window : en
  • US2207179A - Transfer apparatus : en
  • US2207305A - Additional impelling device for cycles and like vehicles : en
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  • DE693391C - Freewheel device, especially for motor vehicles : de en
  • GB523240A - Improvements in or relating to gas-protective filters : en
  • DE693471C - Evaporator, especially for compression refrigeration machines : de en
  • USD121424S - Petzold calendar desk pad unit : en
  • GB523289A - Remote control electric switch : en
  • US2207103A - Apparatus for printing motion picture films : en
  • US2207371A - Fluid sealing device : en
  • US2207381A - Metallic window screen : en
  • USD121371S - By hertxttornely : en
  • DE693385C - undbahnen u. like : de en
  • GR9092B - LIGHTER TYPE. : el en
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  • US2206924A - Production of mono-alkyl substituted compounds of meta-cresol from mixtures of meta-and paracresols : en
  • US2207136A - Liquid sewage distributor : en
  • US2207454A - Insulating panel for building walls : en
  • DE693480C - Palate plate for artificial teeth : de en
  • GB523209A - Improved process for the separation of aluminium from aluminium foils associated with foreign substances : en
  • GB523286A - Improvements in or relating to cooling devices for cinematograph apparatus : en
  • US2207324A - Fuel injection pump : en
  • DE693557C - Gang saw : de en
  • DK57777C - Automatic firearm. : da en
  • US2207036A - Heat exchanger : en
  • US2207040A - Ash tray and cigarette extinguisher : en
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  • AU110962B2 - Improvements in or relating to wave amplifying systems : en
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  • US2207691A - Phase modulation receiver and automatic frequency control : en
  • US2207366A - Front fender construction : en
  • CA389898A - Fibrous layer and facing element : en fr
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  • AU532938A - Means for plasticising vegetable fibrous materials and process for the production of construcional elements and constructional elements made by such process : en
  • US2206907A - Differential mechanism : en
  • AT159053B - Device for the transmission of rotary movements. : de en
  • GB523150A - An improved reading stand for typists and other machine operators : en
  • AU110932B2 - Shock reducing and cushioning wheel mounting for vehicles : en
  • AU121665B2 - Shielding for high frequency switches : en
  • US2206945A - Fastener : en
  • GB523148A - Improvements in or relating to composite pigments and process of preparing the same : en
  • GB523249A - Improvements in or relating to electric accumulators : en
  • US2206937A - Electrical space discharge tube lead-in construction : en
  • GB523387A - Improved means for joining pipes : en
  • CA389869A - High frequency radio receiver : en fr
  • GB523358A - Improvements in and relating to textile drafting apparatus : en
  • US2207191A - Apparatus for blasting coal : en
  • US2207267A - Radio apparatus for detecting aircraft : en
  • US2207387A - Control surface on aircraft : en
  • US2206957A - Power operated valve system : en
  • US2207174A - Electric discharge lamp : en
  • USD121379S - Textile fabric or similar article : en
  • CA389873A - Refrigerating apparatus : en fr
  • AU110960B2 - A process for electrically welding metal articles of all kinds particularly thin sheets without an electric arcand an electrode holder for carrying out said process : en
  • CA389901A - Electric connector : en fr
  • US2207557A - High melting point silicate refractory : en
  • DE693453C - Device for recording stroboscopic motion pictures : de en
  • USD121405S - Combination tumbler carrier and rack : en
  • CA389908A - Demountable tank for vehicles : en fr
  • GB523173A - Improvements relating to the construction and mounting of instruments for demonstration and instructional purposes : en
  • GB523355A - Improvements in or relating to the bodies or housings of vehicles and the like : en
  • US2206910A - Heavy load parachute device : en
  • US2206955A - Table-tennis net-supporting device : en
  • US2207124A - Rifle-sighting telescope : en
  • GB523281A - Electron discharge devices : en
  • CA389889A - Composite metal strip manufacture : en fr
  • US2207584A - Doughnut machine : en
  • GB523254A - Improvements in or relating to automatic calling apparatus for automatic or semi-automatic telephone plants : en
  • AU298339A - Improvements in or relating to wave amplifying systems : en
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  • USD121377S - Design foe. a textile fabric ob similar article : en
  • US2207517A - Venetian blind and bracket therefor : en
  • USD121384S - Design for a cooking stove : en
  • DE693570C - g of buttonholes : de en
  • US2207403A - Bowling ball grip gauge : en
  • US2206949A - Pressure lamp or stove : en
  • DE693442C - Device for holding a child while learning to walk : de en
  • US2206869A - Valve actuating mechanism : en
  • US2206931A - Orchard heater : en
  • US2207296A - Refillable typewriter eraser : en
  • US2207511A - Oscillation generator : en
  • US2207327A - Water softening plant : en
  • CA389876A - Milk filtering apparatus : en fr
  • US2207499A - Cathode ray deflecting system : en
  • DE690362C - en for shoe glue presses, especially for Beriestern : de en
  • DE693461C - Device for the production of hollow rotating bodies : de en
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  • GR9090B - COBBLE MANUFACTURING SYSTEM. : el en
  • US2207662A - Fire extinguishing system : en
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  • CA389821A - Combined steam and electric locomotive : en fr
  • DK57759C - Procedure for Neutralizing Sulfonation Products. : da en
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  • GB523323A - Improvements in electric circuit breakers : en
  • GB523389A - Improvements in means for connecting agricultural implements to tractors : en
  • GB523311A - Improvements in and relating to rotors for dynamo electric machines : en
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  • USD121461S - Tabs lawn or porch olider : en
  • US2206933A - Flower holder : en
  • US2207382A - Pressure relief valve : en
  • US2207621A - Centrifugal chuck : en
  • AU292339A - Improvements in or relating to electric condensers : en
  • DE693552C - Armrest adjustment device on a deck chair : de en
  • CA389909A - Propelling mechanism for freight containers : en fr
  • DE693432C - Method for operating tapping gas generators : de en
  • GB523255A - Improvements in and relating to means for retaining sash windows and the like in adjusted positions : en
  • US2207135A - Letter wallet and billfold : en
  • CA389817A - Electric switch : en fr
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  • AT159133B - Process for the preparation of water-soluble compounds of 8-oxyquinoline sulfonic acids. : de en
  • AU296439A - Improvements in and relating to electric oscillation generators : en
  • US2207295A - Rail brake for railway cars : en
  • DE693484C - Hollow rivet nail : de en
  • GB523322A - Improvements in and relating to methods of and apparatus for coating stainless steelsurfaces : en
  • US2207126A - Brake : en
  • US2207472A - Candy showcase : en
  • CA389827A - Adhesive tape and plaster : en fr
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  • US2207675A - Conveying apparatus : en
  • CA389823A - Camera and focusing means : en fr
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  • USD121375S - Design fob a game board : en
  • US2207425A - Artificial fish bait : en
  • GB523272A - Improvements in air-raid shelters : en
  • US2207386A - Device for controlling carburetors of internal combustion engines in aircraft : en
  • US2207569A - Latch mechanism for cold storage doors and the like : en
  • AT159132B - Device for the continuous production of soaps by oxidation of higher aliphatic hydrocarbons and subsequent saponification. : de en
  • AT159101B - Street cap for valves, hydrants, etc. like : de en
  • AT159121B - Process for the preparation of sulfonation products. : de en
  • CA389929A - Tire mould : en fr
  • US2207463A - Selective control of sinkers, needles, and jacks : en
  • US2207539A - Piezoelectric apparatus : en
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  • AT159083B - High-frequency cable system with several parallel, polarized concentric lines in the same direction of transmission and switched on repeaters. : de en
  • AT159122B - Ignition rod for repeated ignition and extinction. : de en
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  • US2206946A - Manufacture and treatment of organic materials comprising organic esters : en
  • US2206881A - Fastening device and method of making same : en
  • US2206898A - Heel structure of footwear : en
  • US2207531A - Four-wire signaling circuits : en
  • US2207260A - Refrigeration : en
  • AU110924B2 - Synchronisation systems : en
  • CA389887A - Vibration dampener : en fr
  • US2207043A - Barrier rope : en
  • US2207470A - Treatment of ooze to enable it to be transported : en
  • US2207177A - Machine for generating power transmitting surfaces and method : en
  • CA389842A - Clutch plate : en fr
  • CA389936A - Candle and soap with designs : en fr
  • CA389881A - Thermoplastic product : en fr
  • CA389919A - Refrigerator car : en fr
  • US2207120A - Canister : en
  • CA389946A - Fur and hair fibre processing : en fr
  • CA389897A - Felted product manufacture : en fr
  • CA389940A - Carbureter : en fr
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  • US2207261A - Brake adjustment : en
  • US2207608A - Separation of butylene-1 and isobutylene from mixtures containing same : en
  • US2207669A - Sadiron structure : en
  • US2206943A - Ratchet device : en
  • US2206976A - Motor vehicle braking system : en
  • US2207462A - Thermostatic control device : en
  • US2207504A - Aerial system : en
  • US2207060A - Method and apparatus for electrical exploration of the subsurface : en
  • US2207309A - Controlling bessemer converters : en
  • US2207063A - Gum inhibitors and stabilized hydrocarbon compositions containing them : en
  • US2207287A - Draft gear : en
  • US2207297A - Safety device for kick presses : en
  • US2206996A - Flush tank valve : en
  • AT159105B - Grinding device for rotating knives deviating from the circular shape of electric fabric cutting machines. : de en
  • AT159115B - Process for the production of hop extracts. : de en
  • US2207192A - Arch file : en
  • AU1243043A - Shielding for high frequency switches : en
  • US2206928A - Production of condensation products : en
  • US2207083A - Heating system : en
  • US2207600A - Apparatus for making separable fasteners : en
  • GB523341A - Improvements in or relating to traction devices for tractor wheels provided with tyres : en
  • DE693452C - Device for regulating the pulp content of substance-water mixtures for paper production : de en
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  • US2206886A - Machine tool : en
  • US2206882A - Electrical control apparatus : en
  • US2206938A - Railway dump car construction : en
  • US2207015A - Trap construction : en
  • US2207117A - Display device : en
  • US2207097A - Light sensitive device : en
  • GB523343A - Vanity cases : en
  • GB523310A - Improved appliances for playing a game : en
  • GB523202A - Improvements in or relating to containers, particularly for foodstuffs, and to closure devices for such containers : en
  • DE1488894U - : de en
  • US2207249A - Recording and reproducing of sound : en
  • GB523225A - Improvements in or relating to air discharge devices for ventilating systems : en
  • DE693415C - Process for the preparation of ª ‡ -pyridylcarbinols : de en
  • US2207280A - Method of electrical logging : en
  • US2207619A - Water cooling system : en
  • USD121445S - Design for a dress ensemble : en
  • US2207609A - Multiple strand selvage : en
  • US2207189A - Circuit control device : en
  • US2207105A - Pneumatic thread holder for weft replenishing looms : en
  • US2207578A - Control system for and method of controlling synchronous machines : en
  • US2207685A - Permanent magnet alloy and method of making the same : en
  • DE693401C - Tunnel for toy trains : de en
  • US2207299A - Jelly and jelly manufacture : en
  • US2207328A - Brake and clutch attachment : en
  • US2206919A - Scale for compounding formulas and other purposes : en
  • USD121368S - Design fob a bottle : en
  • US2207553A - Oil burner : en
  • DE693553C - Seat support frame for upholstered seats or loungers : de en
  • US2207604A - Book, catalogue, or the like : en
  • US2207483A - Stereoscopic apparatus : en
  • US2207583A - Electrical treatment of water to prevent the effects of hardness : en
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  • GB523371A - Improvements in power means for starting and recharging machine guns by retracting the breech bolt : en
  • DK57778C - Signal device with Chimes. : da en
  • DE693580C - Winding machine with drive drum drive of the winding spool : de en
  • DE693538C - Arc extinguishing device : de en
  • US2207150A - Centrifugally cast plunger and tube : en
  • US2207477A - Electric cord plug and receptacle : en
  • US2207292A - Electric contact and combination thereof : en
  • US2207424A - Ground working trailer : en
  • DE693424C - Vacuum switch with low power for control purposes : de en
  • GB523342A - Improvements in rear lights for road vehicles : en
  • US2207601A - Igniter : en
  • US2207084A - Retractable antenna : en
  • US2207368A - Ignition distributor : en
  • US2207665A - All purpose fertilizer distributor : en
  • DE693437C - Adjustable seat and deck chair : de en
  • USD121395S - Display box or similar article : en
  • US2207235A - Type printing telegraph and like apparatus : en
  • US2206983A - Dispensing device : en
  • USD121399S - Design fob a soap dish ob similab aeticle : en
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  • DE693509C - Process for working up dilute, aqueous formaldehyde solutions : de en
  • DE1488843U - : de en
  • CA389947A - Signal amplitude contractor and expander : en fr
  • US2207313A - Air cooler : en
  • US2207664A - Carbon saver : en
  • US2207094A - Control of volume in radio receivers : en
  • US2207276A - Electric discharge system : en
  • US2207068A - Welt : en
  • USD121411S - Design fob a combined seat, score table, and bowling alley service unit or similar article : en
  • US2207110A - Method of making cut rubber thread : en
  • USD121408S - Design fob a camera : en
  • US2206936A - Automatic change speed gear of the epicyclic type : en
  • US2207548A - Jack : en
  • US2207570A - Asynchronous electric power transmission system : en
  • DK57757C - Evaporation burner for Crude oil. : da en
  • GB523330A - Improvements in and relating to bicycles and like machines of locomotion which are inunstable equilibrium during normal movement thereof : en
  • DE693390C - A dust filter consisting of a coarse filter and a fine filter : de en
  • DE693397C - Traffic light control caused by the vehicles : de en
  • GB523147A - Improvements in or relating to the bearing surfaces of moving bodies : en
  • DE693493C - Hand pump for temporary delivery of lubricant by means of a wing piston pump : de en
  • US2207193A - Production of allyl type halides : en
  • USD121373S - Brooch pin oh similar article : en
  • US2207465A - Wheel suspension : en
  • US2207532A - Case and movement frame for watches and the like : en
  • US2207081A - Thread extractor for weft replenishing looms : en
  • DK57769C - Apparatus for Purifying Liquids. : da en
  • US2207526A - Dipstick : en
  • DE693425C - Method for adjusting electrical quantities, e.g. B. the power output of power generators : de en
  • US2207231A - Drill support : en
  • USD121450S - Design for a dress : en
  • GB523270A - Improvements in or relating to piston controlled two-stroke cycle internal combustion engines : en
  • DE693435C - Plastic impression compound made from condensation synthetic resin, in particular for dental purposes : de en
  • GB523373A - Improvements in devices for use in making pipe joints : en
  • US2207032A - Baling press : en
  • US2207272A - Cooling tower construction : en
  • US2207546A - Doughnut machine : en
  • US2206975A - Poison for combating insects : en
  • US2207221A - Press : en
  • US2207302A - Rolling mill feed table : en
  • US2207695A - Photographic paper : en
  • GB523307A - Improvements in the manufacture of thermionic valves : en
  • DE693336C - Measuring device with a force proportional to the square of the measured size : de en
  • GB523300A - Improvements in or relating to shock absorbers : en
  • US2207164A - Automobile locking and circuit control structure : en
  • GB523271A - Improvements in cylindrical door latches or the like : en
  • DE693350C - Process for the production of vanillin from lignin : de en
  • AU292739A - Improvements in or relating tothe manufacture of double-base propellent powders : en
  • AT159067B - Process for the production of mixtures for magnetizable material in the manner of mass cores. : de en
  • US2207246A - High frequency system : en
  • US2207540A - Method of and means for frequency comparison and measurement : en
  • US2207308A - Electrolytic manufacture : en
  • US2207579A - Electric cable : en
  • CA389815A - Collapsible blind or shade : en fr
  • DE693502C - Compaction funnel for the draw frame and drafting systems of flyers and fine spinning machines : de en
  • US2207066A - Periodic switch : en
  • US2207640A - Automobile jack : en
  • US2207157A - Artificial bristle and method of making same : en
  • US2207507A - Telltale : en
  • US2207200A - Propeller for aircraft : en
  • US2207339A - Gypsum composition : en
  • USD121390S - Design fob a watch cleaning machine : en
  • US2207469A - Casing hanger : en
  • AU303839A - Improvements in multi-way electric adaptors : en
  • US2206954A - Electron discharge device : en
  • US2206968A - Supporting the printing cylinders of fabric printing machines : en
  • US2207658A - Regulating device : en
  • CA389836A - Mulch rake : en fr
  • US2207109A - Manufacture of steel : en
  • USD121460S - Combination calendar desk pad unit : en
  • US2206929A - Tight-lock coupler and control system : en
  • US2206959A - Method and apparatus for salvaging liquid egg material : en
  • USD121417S - Design for a piano : en
  • US2207204A - Shock indicating device : en
  • US2207573A - Coking retort oven : en
  • AU110919B2 - Improvements in or relating to relaying or repeating systems : en
  • AT159125B - Process for the production of moldable masses. : de en
  • CA389925A - Rubber vulcanization : en fr
  • US2207438A - Gear finishing apparatus : en
  • DE693403C - Foam floating device and method : de en
  • AT159149B - Swing mechanism for driving vehicles, in particular swinging aircraft. : de en
  • CA389905A - Scouring and cleaning implement : en fr
  • AU140839A - Improvements in or relating to radio and like receivers ofthe superheterodyne type provided with preselection tuning means : en
  • DE693431C - Manufacture of conversion products containing dyes containing complexed metal : de en
  • GB523261A - Improvements in and relating to electrical rectifiers : en
  • CA389850A - Liquid control structure : en fr
  • CA389903A - Relief stamping machine mechanism : en fr
  • DE693429C - Device for backfire protection for electrical discharge vessels with liquid cathode and side anode arms : de en
  • US2206993A - Cap for collapsible tubes : en
  • US2207258A - Corn sheller : en
  • US2207355A - Electron discharge device : en
  • AT159130B - Process for the isolation of the organic components from the refining waste materials obtained from the sulfuric acid refining of mineral oil products. : de en
  • US2207453A - Aircraft supporting wing : en
  • GB523315A - Improvements in hose clips : en
  • US2207158A - Artificial bristle : en
  • USD121387S - Design fob a building : en
  • US2207331A - Bottle drying apparatus : en
  • DE693578C - Auxiliary device for making footwear : de en
  • DE693490C - Welding socket connection : de en
  • GB523222A - Improvements in or relating to the production of emulsions from synthetic resins : en
  • US2207238A - Chuck : en
  • US2207265A - Photocomposing machine : en
  • US2207303A - Portable mixing plant : en
  • US2207342A - Glass building block manufacture : en
  • DE684199C - Device for the feed drive of flame cutting devices using the cutting oxygen as a drive means : de en
  • DE693420C - Sheet-fed rotary printing machine for front side printing or for front side and back side printing : de en
  • US2207334A - Method and apparatus for placing a filter body in a well : en
  • CA389859A - Reinforced tire chain : en fr
  • US2207602A - Binder : en
  • US2207018A - Machine for grinding gear teeth by the generating process : en
  • US2207102A - Igniting device : en
  • US2207155A - Bumper guard : en
  • AU298139A - Improvements in indicators for radio television receivers : en
  • AU110930B2 - Improvements in and relating to battery operated portable radio receivers : en
  • USRE21505E - Means for preparing a control : en
  • DE693475C - Loose gear set with tapered roller bearings : de en
  • US2207128A - Connecting device for doors and the like : en
  • US2206966A - Tractor chain assembly : en
  • US2206876A - Dusting machine : en
  • US2206909A - Lid support : en
  • US2207005A - Pipe and tool joint : en
  • US2207693A - Method of refining waxy mineral lubricating oils : en
  • GB523328A - Improvements relating to lubricating apparatus : en
  • GB523370A - Improved apparatus for use in the manufacture of barbed wire : en
  • AT159147B - Allocation device with a screw conveyor for fine dust-like goods, such as coal dust, paint, flour or the like. : de en
  • US2207444A - Car bumper : en
  • AT159065B - High frequency current transformer. : de en
  • USD121392S - Design for a cooler cabinet : en
  • US2207256A - Emulsifying composition : en
  • US2207078A - Transfer mechanism for looms : en
  • AU523139A - Method of and apparatus for electrically treating fluids : en
  • CA389858A - Reinforced tire chain : en fr
  • US2207013A - Material depositing bag : en
  • DE693444C - Potato silo made of concrete for farms : de en
  • AU110920B2 - Method of manufacturing cement trough outlets : en
  • CA389883A - Decarboxylation process : en fr
  • US2207285A - Nozzle : en
  • US2207430A - Color stabilization of petroleum distillates : en
  • US2207629A - Cam mechanism : en
  • US2207686A - Polymerizing drying oils : en
  • US2207361A - Freight car construction : en
  • US2207119A - Necktie : en
  • US2207541A - Phase modulation receiver : en
  • US2207185A - Preparation of insecticidal materials from alkaloids and pectic acid : en
  • US2207446A - Synchronizer : en
  • US2206861A - Dough press : en
  • US2207564A - Method of constructing a threaded bung fixture in a wall of a sheet metal container : en
  • AU287339A - Single spreader bar equalizing pull : en
  • CA389890A - Fluid seal : en fr
  • US2206991A - Automobile towing device : en
  • AU110954B2 - Improvements in or relating to radio and like receivers ofthe superheterodyne type provided with preselection tuning means : en
  • US2207412A - Tunnel kiln ware support : en
  • US2207241A - Hair waving solution : en
  • US2207501A - Card index system : en
  • US2206952A - Shuttle for circular looms : en
  • US2206962A - Method of making insulation and like structures : en
  • US2207543A - Insulated container and stopper : en
  • US2207593A - Case for cigarettes or cigars : en
  • US2207108A - Railway signaling apparatus : en
  • USD121402S - Design fob a brooch ob similar article : en
  • US2207566A - Method of treating alkali metal hydroxide solutions : en
  • USD121360S - Design for an ice cream cone : en
  • US2207653A - Lawn rake : en
  • AU287839A - Improved means for connecting tractor ploughs to tractors : en
  • AT159090B - Electrical low voltage cable with plastic sheath. : de en
  • CA389924A - Rubber vulcanization : en fr
  • US2207626A - Thermosetting resin reaction product of furfural with a saturated oxy-carboxylic acid : en
  • US2207259A - Voltage regulating system : en
  • US2207512A - Wrist-watch case : en
  • US2207213A - Window screen construction : en
  • US2207188A - Drill bit : en
  • US2207690A - High frequency signaling system : en
  • US2207458A - Drinking fountain : en
  • CA389845A - Pump and motor : en fr
  • US2206906A - Resinous condensates and method of producing same : en
  • AT159085B - Telecommunication line without metallic reinforcement for portable telecommunication systems. : de en
  • US2206912A - Current rectifying method and apparatus : en
  • US2207461A - Separation of the constituents of alloys or mixtures of metals and/or elements similar to metals : en
  • USRE21506E - satre : en
  • US2206950A - Toy : en
  • US2206895A - Navigation instrument : en
  • US2207545A - Hamburger forming machine : en
  • USD121415S - Design for a comfortable : en
  • US2206916A - Manufacture of smokeless powders : en
  • AU290239A - Improvements in apparatus for loading motor vehicles : en
  • AU338439A - Improvements in and relating to battery operated portable radio receivers : en
  • US2207667A - Door tray : en
  • US2206868A - Method of making waterproof newspapers : en
  • CA389927A - Rubber vulcanization : en fr
  • AT159086B - Electron multiplier. : de en
  • CA389885A - Slope-wave generator : en fr
  • US2207369A - Holder : en
  • US2206965A - Machine and method of making bags : en
  • USD121389S - Design for a display stand : en
  • CA389857A - Tire chain link reinforcement : en fr
  • AT159135B - Gas generator. : de en
  • GB523349A - Improvements in or relating to structures impervious to liquids : en
  • DK57761C - Tilting device for electromagnetic deflection of cathode rays, in particular for television purposes. : da en
  • US2207052A - Heating and air conditioning apparatus : en
  • US2207073A - Infinite variable speed transmission : en
  • USPP411P - Rose plant : en
  • GB523339A - Improvements in lighting fittings : en
  • DE693459C - beacon : de en
  • DE693487C - Cylinder cover for large gas engines : de en
  • AT159088B - Arrangement for measuring the current in the consumer circuit of a device for generating and using electrical currents of very high frequency (over 3 x 10 <6> Hz). : de en
  • US2206997A - Glasses and eye protector : en
  • US2207210A - Liquid pail : en
  • CA389932A - Lactation promoting substance : en fr
  • US2207343A - Recording potentiometer : en
  • US2207434A - Pneumatic dispatch system : en
  • GB523212A - Improved means for delivering granulous material from hoppers and the like : en
  • AU526239A - Improvements in and relating to electrical circuit breakers, cutout switches andthe like : en
  • AT159127B - Method and device for the continuous production of elastic threads from rubber latex or the like. : de en
  • DE693446C - Machine tool, in particular milling machine : de en
  • DE694369C - : de en
  • GB523168A - Improvements in gilled-tube heat-exchangers and particularly motor-vehicle radiators : en
  • GB523356A - Improvements in ornamental or protective plating for clothing or harness : en
  • AU299939A - Improvements in or relating tothe manufacture of glass : en
  • US2207396A - Pump stroke gauge : en
  • USD121407S - Design for a candlestick : en
  • US2207026A - Wardrobe case : en
  • US2206891A - Electrical logging of earth formations : en
  • AT159076B - Arrangement for rectifier. : de en
  • US2207544A - Stair elevator : en
  • GR9088B - SELF-INFLAMMATORY CIGARETTES. : el en
  • USD121447S - Design for a headstock for machine tools : en
  • DE693479C - Spinning machine for the production of loop yarns : de en
  • GB523290A - Improvements relating to chairs, tables and like articles of furniture : en
  • GB523318A - Improvements in or relating to the production of metallic bodies : en
  • US2207406A - Collision and theft signaling device : en
  • AT159066B - Resistance circuit for drive switch, starter, etc. like : de en
  • US2207074A - Oxygen generating composition : en
  • US2207118A - Flow valve : en
  • AU110923B2 - Improvements in indicators for radio television receivers : en
  • AU110928B2 - Improved portable spot welding apparatus : en
  • GB523151A - Improvements relating to biological processes for the purification of liquids : en
  • GB523287A - New dyes and textile and other materials coloured therewith : en
  • AU110926B2 - An improved regulator for lifting trucks : en
  • CA389843A - Sodium chromate : en fr
  • US2207479A - Automatic gate : en
  • DE693532C - Rail butt connection for tracks to be shifted by track setting machines : de en
  • GB523231A - Materials coated with a derivative of cellulose and their production : en
  • US2207207A - Railway torpedo : en
  • DE693520C - Method for determining the course of aircraft : de en
  • DE693428C - Ignition device for discharge vessels with a liquid cathode when in operation : de en
  • DE693569C - Method and device for gas cutting of workpieces from steel with air hardening properties : de en
  • CA389829A - Internal combustion engine : en fr
  • GB523385A - Improvements in envelopes and the like and the closure thereof : en
  • GR9091B - PERFECTIONS IN THE CONSTRUCTION OF TYRPAN NORIA. : el en
  • US2207672A - Rubber thimble : en
  • DE693506C - Water turbine or pump, the impeller ring of which forms part of the headrace pipe : de en
  • GB523386A - An improved chemical closet : en
  • DE693414C - Furnace for the production of carbon tetrachloride : de en
  • US2207380A - Molybdenum alloy : en
  • US2207538A - Hydraulic transmission mechanism : en
  • GB523155A - Improvements in contacts for electric switches : en
  • US2207374A - Fastener : en
  • US2207414A - Gyroscopic horizon allowing the reading of great longitudinal inclinations : en
  • US2207628A - Adjustable tailpiece for stringed musical instruments : en
  • US2207098A - Method of making tire tread : en
  • US2207206A - Junior bowling game : en
  • US2207344A - Recording potentiometer : en
  • GB523195A - Improvements in or relating to mountings for vibratory bodies such as engines : en
  • GB523337A - Improvements in and relating to driving belts : en
  • USD121431S - Design for a low wing cantilever monoplane : en
  • US2207132A - Shoulder strap ribbon : en
  • AT159073B - Method and device for determining the high-frequency energy converted in the treatment object during treatment with short-wave or ultra-short-wave electrical oscillations. : de en
  • CA389847A - Clasp : en fr
  • US2207510A - Television receiver : en
  • AT159089B - Electromedical apparatus. : de en
  • US2207534A - Valve tappet and insert : en
  • US2207148A - Door structure : en
  • AT159107B - Device for height adjustment of a swivel chair seat. : de en
  • US2207051A - Clutch mechanism : en
  • GB523277A - Surfacing laminated sheets, plywood, wallboards, asbestos sheets and the like : en
  • DE693468C - Process for the production of sulfur by reducing gases containing sulfur dioxide : de en
  • US2207347A - Crystallizing evaporator : en
  • US2207468A - Pressing machine : en
  • US2207072A - Preparation of refractory material : en
  • US2206930A - Continuous molding machine : en
  • US2207122A - Parchmentized paper : en
  • DK57772C - Machine for Grinding Wood Waste. : da en
  • DE693384C - Method and device for the continuous digestion of animal matter and waste : de en
  • GB523263A - Improvements in or relating to the distribution of electric signals : en
  • CA389848A - Gear pump : en fr
  • GB523391A - Improvements in apparatus for drying grain : en
  • AT159058B - Method and device for supplying compressed gases into the working cylinders of internal combustion engines with mixture supply, in particular for vehicles. : de en
  • US2207341A - Electrically amplified controlled stringed musical instrument : en
  • US2207011A - Sand mixer, aerator, and sifter : en
  • CA389830A - Sash cord fastener : en fr
  • USD121358S - Design for a set of game pieces : en
  • USD121427S - Design fob a phonograph record player : en
  • CA389893A - Can end seaming apparatus : en fr
  • USD121453S - Design for a dress ensemble : en
  • US2207612A - Ethers of substituted acyl-phenols : en
  • US2207689A - Gas plant : en
  • US2207175A - Sparking plug : en
  • US2207283A - Supporting runner : en
  • US2207319A - Bait holder : en
  • CA389851A - Roller bearing cage : en fr
  • US2207680A - Ascorbic acids and methods of making same : en
  • US2207356A - Electron discharge apparatus : en
  • US2207498A - Modulation system : en
  • GB523242A - Improvements relating to signal actuating mechanism : en
  • GB523146A - Improvements in or relating to means for the automatic filtration of used oil : en
  • GB523219A - Improvements relating to means for glazing windows of vehicles : en
  • AT159148B - Suspension, in particular for motor vehicles with independently suspended wheels. : de en
  • GB523244A - Improvements in or relating to umbrellas, sunshades and the like : en
  • US2207524A - Chuck : en
  • US2207554A - Corrosion resistant and cold workable molybdenum steel : en
  • USD121378S - Textile fabric or similar article : en
  • GB523335A - Improvements relating to machines for cutting bread or other articles into a number of slices simultaneously : en
  • DE693505C - Device for joint braking of the reels of a gate : de en
  • DE693489C - Screw locking : de en
  • GB523201A - Improvements in and connected with lawn mowers : en
  • US2207205A - Blasting cartridge : en
  • GB523382A - Calculating devices : en
  • US2207633A - Telephone system : en
  • CA389863A - Metal bonded diamond grit tool : en fr
  • US2206987A - Mechanical toy : en
  • US2207092A - Engine starter : en
  • US2207605A - Venetian blind : en
  • US2207090A - Composite electric cable : en
  • US2207565A - Thread bung fixture for sheet metal containers : en
  • US2207216A - Combination chair and bed : en
  • USD121393S - Design fob a button : en
  • DK57774C - Pedestrian drives, especially for Bicycles. : da en
  • DE693448C - Machine for planing gears with straight or angled teeth using a rack-shaped tool : de en
  • US2207456A - Carburetor structure : en
  • GB523250A - A process for controlling swelling in the carbonisation of butuminous material : en
  • DE693575C - Device for cutting open envelopes along one edge of the envelope : de en
  • GB523251A - Austenitic steels : en
  • USRE21503E - Refrigerating apparatus : en
  • GB523193A - Improved fastening means for motor car bonnets and the like : en
  • US2206981A - Air separator : en
  • AT159093B - Device for keeping the mixing ratio of two or more liquids equal. : de en
  • CA389852A - Fibrous container : en fr
  • GB523305A - Improvements in or relating to pelmets : en
  • GB523253A - Improvements in and relating to mining machines : en
  • AT159144B - Knitting machine for the production of casings for rope-shaped bodies, in particular cables. : de en
  • GB523275A - Improvements in or relating to piston ring units for internal combustion and like piston engines : en
  • SE99321C1 - : en
  • US2207003A - Container : en
  • CA389882A - Coating composition : en fr
  • AT159096B - Fitting for the detachable connection of furniture parts. : de en
  • US2207596A - Refrigerating apparatus : en
  • CA389880A - Tire mould : en fr
  • US2207085A - Hinge dowel for transverse joints of concrete roadways and the like : en
  • AU293539A - An improved scarifier or like cultivating implement and spring tines for use therewith : en
  • US2207536A - Subterranean war machine : en
  • USD121413S - Design fok a bag : en
  • USD121365S - Design for a wrapping paper or similar article : en
  • US2207254A - Band spread tuning system : en
  • AT159059B - Trolley for towing vehicles. : de en
  • US2206903A - Radiant energy distance measuring : en
  • USD121369S - Design fob a bottle : en
  • US2207677A - Neutralizing apparatus : en
  • US2207452A - Industrial washer : en
  • AT159142B - Process for heating, drying, coloring and impregnating asbestos-cement articles. : de en
  • AU298639A - Improvements in or relating tothe treatment of shoe soles : en
  • AT159095B - Method and device for measuring the amount of heat. : de en
  • US2207014A - Filing device : en
  • US2207428A - Envelope and container sealing : en
  • USD121437S - Design for a toothbrush handle : en
  • US2207335A - Butter color mixer : en
  • US2207696A - Method of fugitively tinting and lubricating yarns : en
  • CA389941A - Automobile supporting and elevating device in freight cars : en fr
  • US2206977A - Apparatus for extruding metal sheath or pipe : en
  • US2207598A - Cracking hydrocarbon oils : en
  • US2207023A - Volume control for radio receivers : en
  • US2207125A - Refrigerant system and apparatus : en
  • CA389819A - Gas treating system : en fr
  • US2207439A - Polishing wheel : en
  • USD121439S - Design for a handbag ok : en
  • US2207521A - Control switch for refrigeration systems : en
  • USD121455S - Design fob a belting for personal wear or similar article : en
  • DE693492C - Lifter : de en
  • DE693438C - Attachment of the spring cushion in the frame of seating furniture : de en
  • AT159097B - Button consisting of the upper and lower part. : de en
  • DE693449C - Thread cutting stock : de en
  • US2207047A - Journal box lid : en
  • US2207054A - Spring structure for cushioned seats : en
  • US2207121A - Nut lock : en
  • US2207314A - Communication system : en
  • US2207041A - Brake-control device for motor vehicles : en
  • US2207473A - Artificial limb : en
  • USD121376S - Textile fabric or similar article : en
  • GB523264A - Improvements in and relating to the aeration of plaster of paris compositions : en
  • GB523274A - Improvements in and relating to tool and like braces : en
  • AU187939A - Improvements in or relating to audio frequency amplifiers : en
  • AT159102B - Recording device, in particular for levels. : de en
  • CA389942A - Vehicle tie-down anchor member : en fr
  • AU110914B2 - Single spreader bar equalizing pull : en
  • US2207354A - Electron discharge apparatus : en
  • US2207220A - Series-parallel centrifugal pump : en
  • US2207589A - Coke oven leveler door : en
  • AU110913B2 - Means for plasticising vegetable fibrous materials and process for the production of construcional elements and constructional elements made by such process : en
  • DE693394C - Interchangeable heel : de en
  • GB523347A - Improvements in impact crushing or grinding apparatus : en
  • US2207127A - Master cylinder for brakes : en
  • US2207315A - Tongs for game pieces : en
  • US2207535A - Valve tappet and insert : en
  • AT159078B - Electric discharge tube with secondary emission electrodes. : de en
  • US2207401A - Iron-fitting, particularly for mountain footwear : en
  • US2207410A - Device for laying courses and the like : en
  • DE693483C - Bracket made of sheet metal for curtains and drapes : de en
  • GB523283A - Improvements in or relating to shock absorbers : en
  • AU110958B2 - Improvements in or relating to cutting out presses : en
  • US2206864A - Electrical logging of earth formations : en
  • US2207038A - Overload clutch : en
  • US2207240A - Sound reproducing apparatus : en
  • CA389914A - Superheterodyne radio receiver : en fr
  • US2207622A - Baking pan and method of making the same : en
  • DE693389C - Water ring pump : de en
  • US2207138A - Measuring tap : en
  • US2206873A - Leakless right and left tool joint : en
  • USD121443S - Design for a pocketed belt : en
  • US2207515A - Partition clip : en
  • AT159077B - Process for the insulation of electrical lines. : de en
  • US2207522A - Concentric conductor transmission line : en
  • US2207562A - Coke oven door : en
  • US2207168A - Dowel bar joint assembly : en
  • US2207329A - Car stop : en
  • DE693550C - Device for cutting, grating and pressing vegetables, potatoes, fruits and the like. like : de en
  • US2207377A - Tacking machine : en
  • US2207433A - Means for sharpening a circular knife : en
  • US2206887A - Watt-hour meter with gap centering adjustments : en
  • US2207042A - Propeller control mechanism for adjustable and reversible pitch propellers : en
  • US2207077A - Automatic button mechanism : en
  • US2207176A - Fluid can with resilient spout : en
  • US2207427A - Combined comb, brush, and curler : en
  • US2207167A - Apparatus for transporting material in mines : en
  • US2207273A - Counter mechanism : en
  • US2206892A - Electrical logging of earth formations : en
  • US2207652A - Engine starting mechanism : en
  • US2207688A - Industrial truck : en
  • GB523226A - Improvements relating to clutch control mechanism : en
  • AT159072B - Method and device for determining the high-frequency energy converted in the treatment object during treatment with short-wave or ultra-short-wave electrical oscillations. : de en
  • DE693411C - Device for automatic adjustment of the inlet chain wall on fabric tensioning machines : de en
  • US2206988A - Clutch : en
  • US2207253A - Measuring and indicating circuits : en
  • US2207376A - Vibration suppressor : en
  • US2207481A - Automatic control means for vehicles : en
  • AT159057B - Centrifugal sewage pump with vertical drive shaft. : de en
  • US2207330A - Chain brush : en
  • USD121449S - Design fob a dress ensemble : en
  • GB523332A - Improved method of and means for preventing the formation of ice on aircraft : en
  • DE693535C - Circuit arrangement for telephone systems : de en
  • GB523245A - Improvements in radiators for aircraft engines : en
  • GB523359A - Improvements in or relating to luminescent screens : en
  • DK57768C - Procedure for Pre-Treatment of Seeds to Promote the Growth of the Vegetative System of Plants. : da en
  • GB523279A - Improvements in or relating to the manufacture of cellulosic fibrous electrical insulating materials : en
  • GB523379A - Improvements in packing cases : en
  • US2207661A - Packing extracting tool : en
  • DE693503C - Device for maintaining the curvature of the tips of skis : de en
  • GB523248A - An improved manufacture of hydrocarbon co-polymers : en
  • US2207286A - Holder for articles to be grated : en
  • GB523204A - Improvements in or relating to electro-motors : en
  • US2206880A - Ophthalmic mounting : en
  • CA389921A - Freight car : en fr
  • US2207353A - Motor-driven flexible mower : en
  • AT159128B - Process for the preparation of acridinium salts. : de en
  • DE693514C - System for charging batteries from a constant voltage direct current source with an additional machine to achieve the desired charging voltage : de en
  • DE693524C - Stocking protectors : de en
  • GB523159A - Improvements in or relating to setting films of coating compositions containing a urea formaldehyde resin : en
  • GB523256A - Improvements in or relating to the production of resinous condensation products : en
  • GB523241A - Improvements in or relating to process of decomposing crystallised ferrous sulphate : en
  • GB523361A - Improvements relating to facing points for railways and the like : en
  • US2206905A - Flow control mechanism : en
  • USPP410P - Rose plant : en
  • US2207228A - Brake system : en
  • US2206889A - Recovery of basic copper sulphate from rayon manufacture : en
  • AT159137B - Process for the production of vitamin B1. : de en
  • DE693416C - Process for the preparation of nucleosides : de en
  • GB523167A - Improvements in switch-frogs for the overhead conductors of electric traction systems : en
  • US2207242A - Aircraft structure : en
  • US2207484A - Electrical prong receiving circuit closing connector : en
  • US2207632A - Resilient insole : en
  • US2207197A - Cigarette holder : en
  • US2207668A - Sun visor : en
  • DE693546C - Arrangement for the compensation of reactive power : de en
  • DE693567C - Main connecting rod bearings of radial engines from centrifugal forces : de en
  • CA389913A - Concrete structural unit : en fr
  • US2206961A - Office unit : en
  • US2207116A - Process for preparing a transparent laminated tube : en
  • US2207222A - Shears : en
  • GB523207A - Improvements in or relating to the production and reproduction of sound records : en
  • DE693395C - Machine for trimming the heel end of outsoles : de en
  • GB523216A - Improvements relating to the manufacture of alternating current rectifiers : en
  • US2207378A - Floating orifice for fluid treatment apparatus : en
  • US2207046A - Hinge : en
  • US2207607A - Setting frame : en
  • US2207294A - Compressible spraying receptacle : en
  • USD121403S - Design fob a brooch ob similar abticle : en
  • GB523278A - Improved hand weighing plant for packing machines and the like : en
  • DE693441C - Mutual attachment of the springs of a spring insert for upholstery, z. B. mattresses, pillows and. like : de en
  • CA389854A - Tire chain caulk : en fr
  • CA389900A - Electric connector : en fr
  • DK57762C - Luminescent material, in particular for electric discharge tubes, and method for its manufacture. : da en
  • DE693540C - Circuit arrangement for the mutual remote control of electrical switches : de en
  • GB523191A - Improvements in manufacture of cellulose ethers : en
  • US2207236A - Photographic camera : en
  • DE693539C - Contact arrangement for electrical switches, especially with arc extinguishing by flowing extinguishing agents : de en
  • DE693462C - Drive for looms : de en
  • DE693542C - Device for protecting electric submersible motors against the ingress of water : de en
  • AT159143B - Process for the manufacture of stockings and socks. : de en
  • CA389840A - Direction indicator : en fr
  • US2206885A - Azo compounds and process for coloring therewith : en
  • US2206908A - Method for electroplating molds for rubber articles : en
  • US2207508A - Sheet feeding mechanism for printing presses : en
  • AT159094B - Device for testing magnetizable wire ropes, wires, pipes, rod material or the like, in particular for transverse defects with the aid of magnetic stray fields. : de en
  • AT159104B - Intermediate annealing for bottle-shaped hollow bodies produced by drawing or pressing from an aluminum sheet as a rotational body before being pressed into another shape. : de en
  • AU303739A - An improved regulator for lifting trucks : en
  • AT159098B - Drawer cabinet. : de en
  • CA389948A - Railway traffic remote controlling apparatus : en fr
  • AU295239A - A process for electrically welding metal articles of all kinds particularly thin sheets without an electric arcand an electrode holder for carrying out said process : en
  • AT159119B - Production of chromium oxide green. : de en
  • AT159117B - Sprayer. : de en
  • US2207248A - Electromagnetic controlling means : en
  • US2207250A - Venetian blind bracket : en
  • AU291139A - Ventilating and sound reducing fitments for windows : en
  • US2207101A - Tire tread : en
  • US2207437A - Shoe and the manufacture thereof : en
  • DE693478C - hrapyrimidine series : de en
  • AT159081B - Process for the production of suppositories, vaginal balls, sticks and the like that are stable at tropical temperatures. like : de en
  • US2206978A - Paper unit dispensing device : en
  • AT159113B - Process for the thermal production of aluminum alloys. : de en
  • CA389828A - Percussion bomb : en fr
  • DE693470C - Absorber and / or evaporator for refrigerators : de en
  • GB523259A - Improvements in or relating to cleaning compounds : en
  • US2207224A - Nonglare device : en
  • GB523380A - Improvements in and relating to furnaces : en
  • US2207151A - Brake shoe : en
  • US2207257A - Manufacture of fatty esters : en
  • AT159146B - Feeding device for cards. : de en
  • GB523163A - Improvements in devices for regulating the delivery of piston pumps : en
  • USD121426S - Design fob a bottle : en
  • DE693388C - Process for rinsing off excess paint from perforated cinema films that are dyed on both sides : de en
  • GB523218A - Improvements in or relating to optical objectives : en
  • DE693571C - Device for producing tubular textile fabric structures : de en
  • US2207024A - Trimming device : en
  • US2207093A - Control for jacquard needles : en
  • USD121380S - Textile fabric ok similar article : en
  • USD121406S - Fountain pen or similar article : en
  • USD121383S - Receptacle for fountain pen or the like : en
  • US2207079A - Multiple control apparatus : en
  • DE693418C - Process for the production of pellets of aromatic hydrazine-N-sulfonic acids : de en
  • AU110948B2 - Improvements in or relating to audio frequency amplifiers : en
  • GB523196A - Improvements relating to rotary fluid-pressure machines : en
  • US2207033A - Apparatus for flowing oil wells : en
  • US2207555A - Precipitation of starch upon fibers used in the manufacture of paper : en
  • GB523269A - Improvements in electro-magnetic apparatus for seed separation : en
  • DE693527C - Multi-roller raising machine for tubular knitted fabrics drawn onto wide molds : de en
  • US2207000A - Area measuring machine : en
  • GB523183A - Improvements in or relating to roll film photographic cameras : en
  • GB523344A - Improvements in a dispenser : en
  • GB523288A - Improvements in and relating to lens plates for street lighting and other purposes : en
  • US2207053A - Portable hoist : en
  • USD121359S - Design for an ice cream cone : en
  • GB523187A - Improvements in contractor-type tipping wagons : en
  • US2206958A - Speed reduction mechanism : en
  • DE691455C - Gear pump for periodic pumping of liquid : de en
  • DK57779C - Procedure for the manufacture of pipes, sheets and similar workpieces of mixtures of slag wool fibers and cement. : da en
  • GB523320A - Improvements in or relating to the manufacture of bis-oxyphenyl compounds : en
  • GB523325A - A device for effecting the automatic discharge of measured quantities of liquid : en
  • US2207530A - Telephone system : en
  • USD121388S - Design fob a rack for glasses or the ijke : en
  • US2207016A - Scraper : en
  • AU110938B2 - Piston expander : en
  • DE693433C - Process for the production of non-toxic town gas : de en
  • US2206974A - Riding boot tree : en
  • USRE21504E - Image dissector : en
  • GB523169A - Improvements relating to detachable pipe connections : en
  • US2207370A - Universal sawing and miter cutting machine : en
  • US2207247A - Steam generator : en
  • DE693565C - Plant support : de en
  • GB523375A - New or improved means for preventing premature burial : en
  • DE693466C - cards : de en
  • GB523374A - Improvements in or relating to electric fires : en
  • US2207325A - Food container : en
  • DE693551C - Tea infuser with a floating lid : de en
  • DE693554C - Facility for draining damp building walls : de en
  • US2206964A - Can labeling machine : en
  • US2207518A - Pipe joint : en
  • US2207542A - Counterbore : en
  • US2207230A - Self-tightening chuck : en
  • US2207298A - Means for producing noiseless film splices : en
  • US2207323A - Blade sharpener for lawn mowers : en
  • USD121454S - Design for a dress : en
  • CA389875A - Railway brake beam : en fr
  • US2207184A - Method of conditioning wells : en
  • US2207642A - Flange hinge : en
  • US2207654A - Steam generator : en
  • US2207178A - Angle the : en
  • CA389911A - Cutting-off wheel : en fr
  • US2206970A - Motor vehicle chassis : en
  • US2207651A - Cleaning tool : en
  • US2207441A - Fastening device : en
  • DE693447C - Curve cutting device with constant cutting speed with changing distance of the interface from the axis of rotation : de en
  • US2207486A - Supporting structure for the mechanisms and/or dials of clocks : en
  • USD121364S - Squaring device for knock-down clothes drying frames : en
  • USD121366S - Design for a pinwheel toy : en
  • US2207142A - Envelope : en
  • US2207274A - Fluid flow mechanism : en
  • GB523208A - Improvements in or relating to the coagulation of aqueous dispersions : en
  • CA389816A - Engine lubricator : en fr
  • GB523238A - Improvements in and relating to electric lamp holders : en
  • DE693512C - Method for the distortion-free amplification of electrical vibrations with the help of push-pull B amplifiers : de en
  • US2207290A - Gear wheel : en
  • US2207519A - Telephone system : en
  • DE693392C - Device for readjusting motor vehicle brakes : de en
  • DE693530C - Device for the rapid preparation of frozen food : de en
  • US2206934A - Electrical conductor : en
  • US2207061A - Directional antenna system : en
  • US2207657A - File signal : en
  • US2207165A - Arch support : en
  • US2207641A - Elastic yarn : en
  • US2206897A - Welt butting machine : en
  • US2207300A - Vibrator circuit : en
  • US2207057A - Liquid stratification : en
  • US2207383A - Apparatus for producing rayon staple fibers from continuous rayon filaments : en
  • CA389826A - Paper container : en fr
  • CA389832A - Fishing leader reel : en fr
  • US2207571A - Transmitter keying system : en
  • US2207373A - Generator engine load control system : en
  • CA389920A - Railway car floor : en fr
  • CA389824A - Automobile screen and window : en fr
  • CA389933A - Oestrus-promoting substance : en fr
  • AU110931B2 - Improvements in and relating to collars : en
  • US2207049A - Earth anchor : en
  • AU110959B2 - An improved scarifier or like cultivating implement and spring tines for use therewith : en
  • US2206863A - Electrical logging of earth formations : en
  • US2206890A - Electrical logging of wells : en
  • US2206953A - Picture projector : en
  • US2207239A - Electrical condenser : en
  • USD121457S - Design fob a sport bonnet : en
  • US2207459A - Method of making fuel briquettes, and binding agent suitable therefor : en
  • US2207460A - Printing press : en
  • US2207592A - Detecting magnetic particles in nonmagnetic materials : en
  • CA389865A - Meter sealing device : en fr
  • US2207599A - Valve operating mechanism : en
  • USRE21507E - Universal joint : en
  • US2207166A - Elevator transmission : en
  • US2207153A - Electric nerve injection model of the spine : en
  • US2207497A - Fluid heat exchange apparatus : en
  • US2207162A - Boiler : en
  • US2207623A - Polystyrene coating composition : en
  • CA389884A - Fibrous cellulosic material preservation : en fr
  • AT159106B - Feeding device for ball rolling mills consisting of at least three helically grooved rollers working together in pairs. : de en
  • US2207004A - Extruding metallic blanks : en
  • US2206998A - System of advertising : en
  • US2207682A - Stock dyeing apparatus : en
  • DE693577C - Removable fitting for the sole and heel of mountain shoes : de en
  • US2207196A - Milk and cream dispenser : en
  • US2207350A - Method of making alloys : en
  • US2206994A - Electrically heated implement : en
  • DE693467C - : de en
  • GB523384A - Improvements in and relating to extrusion presses and the like : en
  • USD121444S - Design for a dress ensemble : en
  • DE693534C - Circuit arrangement for telecommunication, especially telephone systems with company lines : de en
  • GB523357A - Improved propulsion for aircraft : en
  • USD121432S - Design for a coat or similar article : en
  • DE693547C - X-ray tube arrangement : de en
  • GB523180A - Apparatus for rotating two co-axially mounted screw propellers in opposite directions simultaneously : en
  • GB523266A - Improvements in or relating to telephone systems : en
  • GB523321A - Improvements in and relating to water heaters : en
  • US2207147A - Radiator shutter unit : en
  • US2207631A - Method of producing color selection pictures from multicolor master images : en
  • DE693497C - Keyhole lock : de en
  • US2207159A - Sealing means : en
  • US2206926A - Step-by-step switch : en
  • USD121456S - Design fob a souvenir body belt : en
  • US2207563A - Collapsible dispensing tube : en
  • US2207262A - Rail fastener : en
  • GB523294A - Manufacture of new azo compounds : en
  • US2207154A - Stovepipe fastener : en
  • US2207615A - Winding machine : en
  • US2206893A - Method and apparatus for logging wells : en
  • US2207027A - Typographical composing machine : en
  • US2207317A - Centrifugal pump : en
  • US2207567A - Paper box : en
  • DE693495C - Direction indicator with electromagnetically moved angle arm that swings up and down in the display position : de en
  • US2207069A - Coffee bean molding compound and process : en
  • US2206901A - Motor vehicle : en
  • US2207039A - Multifrequency directive antenna array : en
  • US2207182A - Fluid flow mechanism : en
  • US2207683A - Electric switch : en
  • US2206875A - Fire control device : en
  • US2207411A - Method of photography and improved means for securing the same : en
  • US2207030A - Seam pressing machine : en
  • AU475039A - Improvements in raising and lowering mechanism of agricultural implements : en
  • DK57764C - Mechanical Procedure Manufacture of Mask-Safe Masking Equipment and Device for Carrying Out the Procedure. : da en
  • US2207021A - Aminoaryl sulphones and their manufacture : en
  • US2207575A - Pump : en
  • US2207595A - Process for removing chlorates from caustic solutions : en
  • CA389916A - Journal bearing : en fr
  • DK57767C - Apparatus for tilting an elastic hose around the end of a tubular member, e.g. and Malkekop. : da en
  • GB523235A - Improvements in combinations of high-pressure metal-vapour electric discharge lamps with luminescent materials : en
  • GB523390A - Improvements in and relating to prepayment mechanisms for application to the supply of gas : en
  • US2207318A - Apparatus for raising liquids : en
  • US2207506A - Impulse sender : en
  • US2207208A - Circulator : en
  • US2207291A - Frictionally positioned fireplace damper : en
  • USD121433S - Design fob a pipe back : en
  • DE693440C - Collapsible camp bed frame : de en
  • DK57773C - Radiator protection device for Automobiles with similar Radiator Masking or similar Vehicles. : da en
  • US2206960A - Process and apparatus for breaking eggs and salvaging liquid egg material : en
  • US2207062A - Grip for handles : en
  • US2207007A - Combination dress ensemble : en
  • US2207106A - Mounting for whip rolls : en
  • US2207418A - Bottom dumping cement bailer : en
  • US2207576A - Method and apparatus for removing suspended matter from gases : en
  • US2207019A - Combination packer : en
  • US2207152A - Auxiliary air control for carburetors : en
  • US2207390A - Injector heater : en
  • US2206913A - Neon sign insulator and attaching means therefor : en
  • US2207048A - Television transmitting system : en
  • US2207547A - Burner for liquid fuels : en
  • AU110927B2 - Improvements in multi-way electric adaptors : en
  • CA389846A - Headlight system : en fr
  • US2206982A - Weaving operation on circular looms : en
  • US2207384A - Synthetic resin and method of making same : en
  • US2207590A - Doughnut machine : en
  • DE693563C - Tobacco pipe or cigar or cigarette holder with an exposed filter cigarette in a chamber : de en
  • GB523346A - Improvements in removal of gas from organic liquids : en
  • US2206956A - Insect deflector for automobiles : en
  • DE693488C - : de en
  • GB523213A - Strip guide for moulding apparatus : en
  • AT159070B - Enclosed alternating or three-phase machine. : de en
  • GB523221A - Improvements in the manufacture of carbon monoxide-containing gases : en
  • US2206874A - Propeller control mechanism : en
  • US2207613A - Method of making same : en
  • CA389896A - Printing mechanism : en fr
  • CA389922A - Wedge for concrete tie rods : en fr
  • US2207496A - Power transmission : en
  • US2206940A - Top and spinner therefor : en
  • GB523177A - Improvements in and relating to windshield cleaners : en
  • DE693383C - Artificial sausage casing : de en
  • GB523184A - Improvements in or relating to gas turbine plant : en
  • US2207671A - Ventilating apparatus : en
  • AT159061B - Electric ignition device. : de en
  • DE693499C - Single pinching machine : de en
  • GB523381A - Improvements in or relating to the treatment of water : en
  • AT159092B - Device for generating a movement of machine parts, which corresponds to a movement that is created by sliding a straight line on a circle (involute). : de en
  • GB523291A - An automatic holder of a spill, or other object : en
  • DE693523C - Rubber pants : de en
  • DE693526C - buckle : de en
  • US2207195A - Equatorial precision sundial : en
  • AT159126B - Detergents and cleaning agents. : de en
  • CA389825A - Cup or glass handled support : en fr
  • US2207064A - Oscillograph galvanometer : en
  • US2206862A - Auxiliary stair tread : en
  • USD121428S - Design for a chenille negligee : en
  • US2207556A - Method and apparatus for controling synchronous machines : en
  • USD121421S - Design fou a display stand : en
  • AU110963B2 - Improvements in or relating tothe treatment of shoe soles : en
  • US2207271A - Arch support : en
  • US2207436A - Safety device for wringers : en
  • USD121372S - Design fob a brooch pin or similar article : en
  • DE693443C - Hot water heating system with direct heating of the heating water by steam : de en
  • US2207580A - Automatic control for water gas plants or the like : en
  • DE693457C - Swing saddle for bicycles and motorcycles : de en
  • CA389895A - Multiple thread back-winding machine : en fr
  • CA389939A - Carbureter : en fr
  • US2207144A - Recording device : en
  • USD121440S - Display merchandiser case or similar article : en
  • DE693525C - Brassiere : de en
  • CA389878A - Blowpipe : en fr
  • CA389935A - Garment hanger : en fr
  • CA389934A - Bulk freight container : en fr
  • GB523345A - Elastic webbing : en
  • AU110955B2 - Improvements in or relating to pulse modulated carrier communication systems : en
  • AT159129B - Process for the preparation of 2-alkoxy-2-mercaptothiazolidines. : de en
  • US2207134A - Ground rod and method of making the same : en
  • US2207304A - Securing correct polarity of generators : en
  • GB523362A - Improvements in or relating to electrical musical instruments : en
  • USD121451S - Design fob a dress : en
  • GB523186A - Improvements in or relating to covers for manholes and like openings : en
  • AU110918B2 - Improvements in or relating tothe manufacture of double-base propellent powders : en
  • US2206900A - Method of lasting shoes : en
  • US2207391A - Means and method of making nut blanks : en
  • DE693511C - Arrangement for the generation of rectilinear rising or falling breakover voltages by charging a capacitor via a grid-controlled charging tube : de en
  • GB523149A - Improved carbon blacks : en
  • USD121386S - Design fob a waffle iron ob similab abticle : en
  • DE693529C - Process for the preparation of water-soluble condensation products : de en
  • DE693536C - n Telecommunication overhead line systems : de en
  • US2207270A - Apparatus for determining stresses in piping arrangements : en
  • US2207322A - Hanger for sliding doors : en
  • US2207440A - Engraving and similar machine : en
  • US2207639A - Instructional apparatus for teaching music : en
  • GB523236A - Improvements in hinged structures : en
  • GB523309A - Improved method of manufacturing fusible elements for electric fuses : en
  • US2206888A - Method of continuous metal casting : en
  • US2207279A - Cord fabric and method of making the same : en
  • US2207397A - Knitted pile tucked fabric : en
  • GB523178A - Improvements in or relating to card indexes : en
  • GB523301A - Improvements in or relating to shock absorbers : en
  • GB523334A - Improvements in or relating to bedsteads : en
  • US2206939A - Ceiling mold form : en
  • US2207227A - Sun visor : en
  • US2207194A - Means for the manufacture and refining of pulp : en
  • US2207399A - Method of and apparatus for purifying oil : en
  • US2206867A - Process of distilling liquor : en
  • CA389931A - Stable therapeutic product from intestinal mucous membranes : en fr
  • GB523329A - Improvements in or relating to magnetron tube arrangements : en
  • US2207225A - Surfacing machine : en
  • US2207514A - Emulsifying aerating device for fish containers : en
  • US2207500A - Handwheel brake operating mechanism : en
  • US2206948A - Fuel tank closure : en
  • US2207320A - Brush : en
  • US2207404A - Bowling ball grip gauge : en
  • US2206904A - Concealed hinge : en
  • USD121425S - Design for a calendar letter knife : en
  • US2207502A - Apparatus for testing hardness : en
  • AU110952B2 - Improvements in and relating to electric oscillation generators : en
  • GB523181A - Improvements in or relating to proteolytic enzyme preparations and to protein-containing materials liable to proteolytic conversion : en
  • GB523326A - Improvements relating to lubricating apparatus : en
  • GR9093B - METHOD OF INCREASING THE YIELD OF THE FIELDS WITH VEGETABLE TOMATO VACCINATION OR OTHER CONNECTED PLANTS. : el en
  • US2207282A - Method of treating alloys : en
  • SE99371C1 - : en
  • US2207050A - Variable diffusion mechanism for cameras : en
  • US2207307A - Cooking top broiler : en
  • DE693521C - Herbicides : de en
  • US2207252A - Indicator : en
  • US2207306A - Shoe wear : en
  • DE693533C - Measuring arrangement for electrically operated vehicles : de en
  • US2207312A - Supporting, cooling, and lubricating means for high-speed shafts or spindles : en
  • US2207214A - Boiler feed water control : en
  • CA389938A - Loom shedding mechanism : en fr
  • US2207275A - Electric discharge system : en
  • US2206884A - Sound on film recording apparatus : en
  • US2207485A - Faceplate and receptacle with prong guiding means : en
  • US2207232A - Chuck : en
  • US2207471A - Casing head : en
  • USD121414S - Design for a comfortable : en
  • AU297139A - Method of manufacturing cement trough outlets : en
  • US2207281A - Seismic method of logging boreholes : en
  • CA389923A - Rubber vulcanization : en fr
  • CA389860A - Welding apparatus : en fr
  • CA389894A - Picture puzzle manufacture : en fr
  • AT159063B - Arrangement for the automatic control of the contact separation in current converters with moving contacts. : de en
  • CA389862A - Paper making machine : en fr
  • CA389891A - Rubber recovery : en fr
  • US2207226A - Fluid pump : en
  • CA389834A - Venetian blind : en fr
  • US2207130A - Actuating and locking mechanism for gripping devices : en
  • US2207146A - Diaphragm : en
  • US2207666A - Automatic stop for automobiles : en
  • AT159116B - Process for applying a protective coating made of pure aluminum or a corrosion-resistant aluminum alloy to hardenable aluminum alloys. : de en
  • FI18672A - Cardboard box lid locking device : en fi
  • AU110957B2 - Improvements in or relating to means for controlling the frequency bandwidth ofa pair of tuned magnetically coupled circuits : en
  • AT159114B - Process for the production of luminescent zinc compounds. : de en
  • CA389937A - Hose supporter grip : en fr
  • GB523214A - Improvements in apparatus for the display and sale of goods : en
  • US2207278A - Machine for removing surface moisture from lump material : en
  • US2207394A - Radio program annunciator : en
  • GB523372A - Improvements in or relating to radio and television receivers or the like : en
  • DE693513C - Multipole circuit breaker with arc extinguishing by a flowing extinguishing agent : de en
  • AT159060B - Arrangement using high-frequency cores, in particular to achieve bias effects. : de en
  • US2207202A - Grounding safety switch and alarm for electrical apparatus : en
  • DE693545C - Multi-phase converter with a switching device that switches on the individual phases one after the other and valve commutation : de en
  • US2207269A - Nonslip shaving implement : en
  • US2207603A - Manufacture of aliphatic aminosulphonic acids : en
  • US2207169A - Sander for vehicle wheels : en
  • US2207674A - Refrigerator car construction : en
  • DE693501C - Target stand : de en
  • US2207625A - Measuring apparatus : en
  • US2207044A - Bx cable cutter : en
  • US2207364A - Manufacture of sulphuric acid : en
  • US2206963A - Recording and reproduction of electrical impulses : en
  • US2207552A - Manufacture of aromatic hydrocarbons from petroleum oil : en
  • US2206899A - Method of making pressuresensitive adhesive sheets : en
  • US2207478A - Apparatus for spraying and casing wells : en
  • US2206989A - Signal-translating circuit : en
  • US2207466A - Bearing device for reciprocal motions : en
  • DE693559C - Transportable multi-blade circular saw : de en
  • US2207009A - Fastening or anchoring means for insulator supporting pins : en
  • US2207209A - trollen : en
  • US2207476A - Shoe stud : en
  • US2207516A - Venetian blind and a securing device for the cord thereof : en
  • CA389892A - Can closure wire-rip inserting apparatus : en fr
  • US2207620A - Wave signaling method and apparatus : en
  • AU143639A - Improvements in or relating to pulse modulated carrier communication systems : en
  • US2206877A - Preparation of cyclopropane : en
  • AT159054B - Pressure medium control. : de en
  • DE693422C - Method for connecting movable, insulated cables provided with strain relief cords to plugs, junction boxes or the like. : de en
  • GB523258A - Improvements in clutch actuating mechanism : en
  • US2207421A - Hydraulic brake shoe : en
  • US2207429A - Oil paint : en
  • US2207681A - Means for precooling soot blower : en
  • US2206984A - Dispensing receptacle : en
  • US2207211A - Negative carrier for enlargers : en
  • USD121434S - Design for a golf club head : en
  • US2207212A - Tube for pneumatic tire casings : en
  • US2207435A - Automobile accelerator control : en
  • US2207582A - Cleaner for surface coverings : en
  • US2207321A - Water-tube boiler : en
  • AU253439A - Improvements in or relating to electron multipliers : en
  • AT159079B - Noise damping device for office machines, in particular teletyping machines. : de en
  • US2207630A - Process for protecting protein fibrous materials : en
  • US2207056A - Vacuum relief device for engines : en
  • AU110947B2 - Improvements in machines for planing metal sheets : en
  • US2207549A - Expansible socket for casters : en
  • US2207326A - Apparatus for separating materials of different specific weights : en
  • US2207617A - Free-play device : en
  • AT159064B - High frequency current transformer. : de en
  • GB523230A - A process for producing multicolour films : en
  • CA389907A - Freight handling vehicle : en fr
  • US2207173A - Brake : en
  • US2207402A - Airfoil or the like for aircraft : en
  • AU110945B2 - Method and apparatus for grinding or polishing metal sheets : en
  • DE693427C - Process for the production of cathodes for Glimmeinium carriers is applied : de en
  • US2207594A - Commutator : en
  • US2206872A - Process of stabilizing carbohydrate derivatives : en
  • US2207255A - Casing head : en
  • US2207611A - Purification of alkyl chlorides and formation of esters : en
  • US2207336A - Retarder for cementitious material : en
  • AT159069B - Device for achieving a bias in cores of low permeability, such as. B. High frequency ground cores. : de en
  • US2207076A - Method for the purification of cellulose ethers : en
  • US2207181A - Forming tool : en
  • CA389902A - Cable clamp : en fr
  • US2206973A - Method of and apparatus for reducing enriched iron ores : en
  • US2207670A - Carbon holding device : en
  • DE693398C - Device for marking the maximum permitted vehicle speeds : de en
  • CA389874A - Coated can manufacture : en fr
  • US2207215A - Wringer and drainboard apparatus : en
  • US2207392A - Demagnetization : en
  • USD121423S - Design for a combination bed lamp and radio : en
  • US2206951A - Towel cabinet and mechanism therefor : en
  • US2207393A - Venetian blind : en
  • USD121363S - Design fob a knife : en
  • US2207137A - Electric blasting cap : en
  • CA389915A - Audio transmission circuit : en fr
  • AT159082B - Method of preventing blood clotting. : de en
  • AU111003B2 - Improvements in or relating to electron multipliers : en
  • US2207143A - Tubular lock : en
  • US2207160A - Overload switch : en
  • CA389930A - Stable dienol aqueous solution : en fr
  • GB523198A - Improvements in or relating to electric rectifiers or converters : en
  • US2207650A - Mechanism for severing grids : en
  • US2206999A - Refrigeration : en
  • US2207223A - Bench shear : en
  • AT159112B - Process for improving the compressibility of metal powders. : de en
  • US2207636A - Traction lug : en
  • CA389886A - Multipactor oscillator : en fr
  • USD121362S - Design for a wall box : en
  • AT159084B - High-voltage insulator with an end cap made of insulating material that seals the interior. : de en
  • DE693472C - Device for the accumulation of hot liquid, especially in the case of an intermittently working absorption cooling apparatus : de en
  • DE693510C - Permanent magnet for easy hardening : de en
  • US2207113A - Stitch gauge : en
  • US2207673A - Sadiron assembly : en
  • US2207474A - Gas furnace : en
  • AU293439A - Improvements in or relating to cutting out presses : en
  • GB523284A - Improvements in and relating to laundry presses : en
  • GB523394A - Improvements relating to position indicators for electric motor starting switchgear : en
  • US2207075A - Reel means for projectors and driving means therefor : en
  • US2207449A - Photoprinting apparatus : en
  • AU312739A - Improved portable spot welding apparatus : en
  • DE693516C - Process for the manufacture of radiators for electric cooking and heating devices : de en
  • AT159051B - Device for power switch-controlled auxiliary motors. : de en
  • CA389904A - Bushed chain link : en fr
  • US2206971A - Method of manufacturing golf balls : en
  • USD121409S - Design fob a twin panel hamper : en
  • AT159099B - Shear head for power-operated hand shears. : de en
  • DE693454C - Collapsible luggage cart : de en
  • DE693404C - Fat beating machine : de en
  • US2207140A - Trap : en
  • US2207372A - Outboard motor : en
  • US2207457A - Electric switch : en
  • US2207644A - Smoking tobacco : en
  • GB523368A - Improvements in or relating to fire grates : en
  • USD121429S - Design for a chenille negligee : en
  • US2206911A - Azo compounds : en
  • USD121382S - Textile fabric or similar article : en
  • CA389910A - Telephone set : en fr
  • US2207559A - Automatic blocker for hay presses : en
  • US2207577A - Electric protective system : en
  • US2207492A - Suction gripper : en
  • US2207431A - Self-energizing brake : en
  • AT159103B - Mixing device for cold and warm water. : de en
  • DE693410C - Stand for colored chain trees : de en
  • DE693476C - High frequency winding arrangement : de en
  • DE693508C - Process for the production of practically resin-free fuels such as benzene or gasoline : de en
  • US2207244A - Direction finder correcting loop : en
  • GB523232A - Improvements in or relating to circular knitting machines : en
  • US2207352A - Shaft bearing mounting : en
  • US2206860A - Shoe : en
  • US2207163A - Gum ihibitor : en
  • US2207201A - Air distributing device : en
  • DE693515C - Method and device for starting up a direct current high voltage power transmission system coupling two alternating current networks : de en
  • US2207687A - Exterior building panel : en
  • DE693048C - Process for refining the acidic liquid or semi-liquid rosin oils that distill off when natural resins are melted : de en
  • US2206967A - Liquefaction and separation of gases : en
  • US2206992A - Power oil removal unit : en
  • US2206947A - Forecarriage plow : en
  • US2207123A - Interchangeable control valve : en
  • US2207606A - Knitting machine : en
  • DK57775C - Apparatus for dismantling meat carcasses hanging on rails on rails. : da en
  • DE693092C - Symmetrical antenna over a reflective surface for short or ultra-short electrical waves : de en
  • US2207114A - Signal system for motor-driven vehicles : en
  • US2207131A - Grader for vegetables, fruits, or other articles : en
  • US2207133A - Electric discharge lamp : en
  • USD121398S - Design fob a soap dish ob similab abticle : en
  • US2207645A - Miniature bowling alley table : en
  • GB523156A - Improvements in and relating to electrical heating elements and to boilers incorporating such elements : en
  • GB523228A - Improvements in or relating to built-up plate heat-exchangers for fluids : en
  • GB523273A - Improvements in and relating to wringers : en
  • GR9086B - CONVERSION OF CIRCULAR AMIDS TO LINEAR POLYAMIDS. : el en
  • US2207264A - Toasting apparatus : en
  • GB523354A - Improvements in and relating to trucks, trolleys and the like : en
  • US2207490A - Voltage regulating relay : en
  • AT159074B - Magnetizable core. : de en
  • US2207186A - Degreasing apparatus : en
  • US2207145A - Method of activating natural earths : en
  • US2207359A - Toolholder : en
  • DE693581C - Packaging container with electrical ignition device : de en
  • GB523317A - Improvements in or relating to apparatus for the coating of surfaces with liquids by spraying : en
  • DE693582C - Clock with 24-hour division : de en
  • USD121418S - Design for a surface grinding machine : en
  • US2207388A - Transfer paper : en
  • US2207494A - Process and apparatus for the hydrogenation of carbonaceous materials : en
  • DE693426C - Device for temperature compensation in electrical devices : de en
  • DE693465C - Process for the production of tubular hollow bodies provided with helical grooves and consisting of two or more bands, shells or the like : de en
  • GB523176A - Improvements in or relating to apparatus for delivering tickets or the like : en
  • GB523215A - Improvements in or relating to reflectors : en
  • GB523296A - Process and material for the production of colour photographs : en
  • US2207245A - Drawing tube : en
  • US2207268A - Finish grinding mechanism : en
  • US2207198A - Ventilator : en
  • USD121412S - Steady rest for machine tools : en
  • GR9087B - BREAD DISTRIBUTION CERTIFICATE SYSTEM. : el en
  • US2207482A - Insecticide, fungicide, and germicide : en
  • USD121462S - Tabs lawn or porch glider : en
  • AT159100B - Holding device for lowerable protective coats on above-ground water posts. : de en
  • DE693434C - samer waves : de en
  • USD121438S - Combination refreshment dish and tray : en
  • US2207649A - Oil well fishing tool : en
  • US2207656A - Process of decreasing reflection of light from surfaces, and articles so produced : en
  • US2207409A - Anamorphosing color optical system : en
  • US2207010A - Recuperating burner block : en
  • US2207489A - Electrical production of musical tones by electrostatic means : en
  • US2207660A - Gas filter : en
  • US2207416A - Pigment and method of manufacture : en
  • US2206935A - Filling machine : en
  • US2206914A - Fuel injection device : en
  • US2207080A - Thread cutter for looms : en
  • US2207340A - Tool-feeding mechanism : en
  • US2207190A - Game apparatus : en
  • US2207332A - Shim : en
  • US2207676A - Machine for making purely pressed glassware : en
  • GB523392A - Improvements in or relating to moth balls and other small articles consisting of naphthalene : en
  • AT159150B - All-terrain motor vehicle. : de en
  • CA389831A - Paste container : en fr
  • GB523282A - Improvements in or relating to shock absorbers : en
  • AT159136B - Process for the preparation of complex gold keratin compounds. : de en