• CH208304A - Canvas for horticulturalists. : en fr
  • CH208386A - Waterproof watch box. : en fr
  • US2188732A - Shipping carton : en
  • US2188478A - Modified coal tar and method for the production thereof : en
  • US2188484A - Cylinder paper making machine : en
  • US2188499A - Staggered frequency signal distribution : en
  • AU109620B2 - Improvements in or relating to machines for driving fasteners into a workpiece : en
  • CA386570A - Mixing, homogenizing and dispersing machine : en fr
  • DE687642C - Overlay receiver with one-button operation and automatic sharpening by influencing the overlay : de en
  • DE687661C - Cross bottom bag machine : de en
  • US2188672A - Grab bucket : en
  • US2188766A - Brake mechanism : en
  • US2188777A - Peeparation of 2-keto aldonic acids from aldonic acids : en
  • US2188351A - N-substituted sulphamate : en
  • US2188699A - Direct pressure ventilator : en
  • US2188408A - Passage type drawing frame for spinning fibers of various staple dimensions : en
  • CA386647A - Para-phenanthroline derivative manufacture : en fr
  • FR852492A - Camping device : en fr
  • SU56388A1 - Key (Octave Kocula) for electric musical instruments : en ru
  • US2188740A - Portable bowling alley : en
  • US2188589A - Method for handling well casings : en
  • USD118743S - Design fob an insect trap or the like : en
  • US2188588A - Resistance and impedance measuring device : en
  • US2188803A - High speed permanent magnet electroresponsive device : en
  • DE687671C - High voltage fuse for high currents : de en
  • GB517448A - Improvements relating to pianofortes : en
  • US2188726A - Apparatus for molding tile : en
  • US2188338A - Folding platform for servicing airplane engines : en
  • US2188665A - Fabric stretching and straightening apparatus : en
  • AU557238A - Improvements in water heaters : en
  • AU558738A - Improved truss for rupture : en
  • CH208378A - Method for copying a sound film with a higher running speed onto a sound film with a lower running speed. : de en
  • FR852361A - Moisturizer : en fr
  • DE687584C - Motorcycle with sidecar : de en
  • FR50259E - Improvements to systems for signaling, communication, indication and remote control by high frequency currents : en fr
  • FR852478A - Stereoscopic camera : en fr
  • DE687521C - Foldable stand for electric lamps : de en
  • CA386593A - Fibrous material digester : en fr
  • DE677984C - Spring band for mattress coverings, bases for armchairs or the like. : de en
  • FR852378A - Electric incandescent gas lamp : en fr
  • GB517414A - Manufacture of pentamethyleneoxide compounds and pentamethylenesulphide compounds : en
  • GB517441A - Improvements in or relating to fluid operated windscreen wiper motors : en
  • CH208390A - Briquette for the preparation of molybdenum alloys with ferrous metals. : en fr
  • DE687530C - Control device for machine tools, especially for revolver swivel bases : de en
  • CA386628A - Heater draft control : en fr
  • US2188724A - Combination buck stacker and loader : en
  • US2188789A - Terminal block : en
  • FR50252E - Advanced cowling : en fr
  • FR852309A - Device for creating a stream of cooled gas and for making it penetrate and distribute it in liquid masses : en fr
  • USD118730S - Drying apparatus : en
  • DE687437C - Machine for producing the radius gaps on the circumference of the sleeves of elastic couplings, especially so-called Bibby couplings : de en
  • DE687624C - Heizgasfuehrung for heating the walls of smoldering furnace with heated gases : de en
  • DE687686C - Extinguishing chamber switch with isolating points electrically arranged one behind the other : de en
  • FR852384A - : fr
  • FR852395A - Funnel for filling containers quickly and with as little liquid loss as possible : en fr
  • US2188628A - Measuring instrument : en
  • USD118762S - Design fob a dress : en
  • DE687613C - len and similar fittings : de en
  • DE687503C - Manufacture of items that have to be resistant to attack by decarburizing gases : de en
  • US2188461A - Mechanical impulse repeater : en
  • US2188725A - Switch : en
  • CH208453A - Amplifier arrangement with reduced cross modulation for multiple carrier current transmission. : de en
  • US2188649A - Antenna : en
  • FR50279E - : fr
  • DE687579C - Smoke generator with gas fire for smokers : de en
  • US2188678A - Process of topping : en
  • DE687582C - Switching device for motor vehicles with several pressure medium line branches : de en
  • DE687689C - Arrangement for the operation of multi-phase inverters : de en
  • US2188394A - Warp-uniting machine : en
  • US2188417A - Bushing insulator : en
  • US2188650A - Magnetic recording : en
  • DE687476C - Injection syringe for single use : de en
  • GB517419A - A new or improved means for varying the angle of incidence of aeroplane wings : en
  • US2188557A - Union : en
  • USD118732S - Design for a goggle : en
  • AU109631B2 - Improvements in or relating to liquid dispensing apparatus : en
  • DK57209C - Gear mechanism for power transmission between two parallel axles with varying axle spacing. : da en
  • US2188515A - Sanitary fitting for thermometer bulbs : en
  • GB517463A - Improvements in mechanism for applying patches and fasteners to envelopes and the like and to envelopes and the like made thereby : en
  • GB517608A - Improvements in coin-freed locks : en
  • USD118795S - Design fob an elastic textile : en
  • US2188751A - Tobacco pipe : en
  • DE687622C - Protection device for the compressor drive machine of single-chamber compressed air fluid conveying systems : de en
  • DE687557C - Coupling of chassis with single axle drive, especially for locomotives : de en
  • DE687619C - Device for initiating several work movements required in a certain sequence, which are carried out using a pressure medium : de en
  • FR852390A - : fr
  • FR852482A - Device for internal combustion engines comprising several cylinders : en fr
  • FR852468A - Device for recording the operating conditions of machines for several periods : en fr
  • GB517401A - Improvements in methods of preparing concentrates of natural vitamins : en
  • GB517435A - Process for the separation and purification of carbonyl compounds obtainable by side chain degradation of steroids : en
  • GB517455A - Improvements in or relating to the conversion of alkaline earth metal oxalates and the manufacture of alkali metal hydroxides : en
  • US2188816A - Electric fuse and indicator : en
  • USD118722S - Design for a lady s shoe ob similar : en
  • USD118737S - Design for a scales model ornament : en
  • US2188644A - Cultivator : en
  • DE687392C - Recoil amplifier : de en
  • DK57197C - Radio receiver with optical Tuning indicator. : da en
  • US2188584A - Reamer : en
  • DE687506C - Automatic height adjustment device for swivel chairs u. like : de en
  • GB517376A - Improved means for handling and feeding wire carrying sound records : en
  • GB517593A - Improvements in and relating to coal-face loaders for use in mines : en
  • US2188540A - Refrigerating apparatus : en
  • DE687716C - Permanent magnet, especially runner for small electric machines : de en
  • FR50282E - Cable gland for non-combustible electrical cables or conductors with an outer sheath formed by a metal tube : en fr
  • GB517467A - Improvements in and relating to hydraulic piston valves : en
  • DE687527C - Procedure for cleaning engine pistons : de en
  • DE687685C - Single tube circuit for amplifying or receiving short waves : de en
  • GB517606A - Improvements in or relating to means for suppressing radio interference by electrical apparatus : en
  • GR8745B - TAP WITH ELASTIC PATH. : el en
  • DE687390C - Process for etching stainless chrome steels : de en
  • GB517386A - Improvements in or relating to optical objectives : en
  • BE437405A - : en
  • CH208392A - Plant for the continuous production of cast strands. : de en
  • FR852457A - Improvements to protective breathing apparatus : en fr
  • CH208309A - Flagpole holder. : de en
  • CH208365A - Slip for carrying skis. : en fr
  • DE687525C - Detachable clamp connection : de en
  • DE687719C - Softening and gelatinizing agents for acetyl cellulose : de en
  • CA386550A - Electric meat saw : en fr
  • DE687436C - Rotary valve seal : de en
  • DE687594C - Method of making molds : de en
  • US2188872A - Multiple vision clock : en
  • US2188381A - Suction cleaner : en
  • GB517525A - Process for the preparation of amino alcohols : en
  • DE687411C - Electric clock winding with a continuously running winding motor : de en
  • AU109649B2 - Improvements in or relating to process for applying cellulose derivative lacquers : en
  • CH208310A - Support on girders for shuttering concrete ceilings. : de en
  • USD118773S - Design fob a dress ensemble : en
  • DE687522C - Gas-tight furnace head for drum or rotary tube furnaces : de en
  • US2188398A - Absorption dynamometer : en
  • US2188376A - Ring spinning frame : en
  • US2188794A - Means for filling lead presses in the manufacture of cable sheaths : en
  • US2188427A - Automotive antenna equipment : en
  • USPP358P - Gladiolus : en
  • US2188639A - Venetian blind mechanism : en
  • GB517422A - Improvements in or relating to aircraft : en
  • US2188547A - Dust collector : en
  • CA386555A - Headlight dimmer and glare shield : en fr
  • CH208423A - Process for the production of an object from ceramic insulating material. : de en
  • FR852413A - Self-supporting aerial telephone cable with tensile reinforcement : en fr
  • DE687712C - Electrical insulating material containing chlorinated diphenyl : de en
  • FR852404A - Improvements to friction couplings : en fr
  • GB517535A - Improvements in or relating to hair-straightening appliances : en
  • FR852324A - Process for the operation of internal combustion engines : en fr
  • FR852398A - Address indicating advertising device : en fr
  • FR852460A - Improvements to the production, on Persians, Calencars, or Indians, of permanent glossy finishes : en fr
  • USD118747S - Design for a phonograph tone arm : en
  • USPP360P - Gladiolus : en
  • GB517404A - Improvements in or relating to universal couplings : en
  • USPP359P - Gladiolus : en
  • FR852389A - Hydraulic shock absorber for vehicles : en fr
  • DE687499C - Automatic firearm with pneumatic brake to slow down the rate of fire : de en
  • FR852371A - Manufacturing process for high quality lubricating oils : en fr
  • US2188662A - Fountain pen : en
  • GB517417A - Blasting cartridges : en
  • AU50939A - Improvements in and relating to filing trays : en
  • DE687523C - Insert for tobacco pipes with a screw-shaped metal strip that fits into a metal tube : de en
  • US2188758A - Transmission and reception of frequency modulated waves : en
  • US2188760A - Primer : en
  • USD118754S - Design for a stocking : en
  • FR852397A - : fr
  • US2188784A - Shaft seal : en
  • FR852431A - Improvements to shaving devices : en fr
  • US2188544A - Brush structure : en
  • DE687688C - Brush system for electrical machines : de en
  • US2188765A - Method of heat treating brass shims and shim stock : en
  • GB517487A - Improvements in or relating to answer back devices associated with printing telegraph apparatus : en
  • US2188403A - Variable speed transmission mechanism for automobiles and the like : en
  • CA386539A - Sink cover and sprinkler : en fr
  • DE687670C - Process for the production of chlorides of high molecular weight fatty acids : de en
  • GB517483A - Improvements in or relating to television and like receivers : en
  • US2188459A - Fabric winding-down or drawing-off mechanism for knitting machines : en
  • CH208311A - Wedge clamping device for fastening railroad tracks to perforated iron sleepers. : de en
  • DE687646C - Projection lamp arrangement : de en
  • DE687581C - Gear for changing the blade pitch angle of adjustable propellers : de en
  • CH208302A - Protection agents for soil and plants in agriculture and horticulture. : de en
  • CA386585A - Directional wireless system : en fr
  • US2188295A - Process of knitting : en
  • US2188705A - Machine for forming end loops on helical springs : en
  • FR50256E - Process for directly producing iron or steel in liquid state : en fr
  • DE687599C - Process for the production of stable, high molecular weight, liquid chlorinated paraffins : de en
  • DE687475C - Medical syringe : de en
  • FR852308A - Device for the production of colored or stereoscopic television images : en fr
  • GB517554A - Improvements in speed and distance indicators for vehicles (including aircraft, ships, submarines) : en
  • US2188447A - Keyway and gear cutting attachment for lathes : en
  • US2188663A - Process of making fine particle alkaline earth metal carbonates : en
  • CH208343A - Piece of clothing for winter sports and other applications. : en fr
  • AU109625B2 - Improvements in processes for mineral separation : en
  • CH208469A - Mudguards, in particular for bicycles. : de en
  • SU56337A1 - The method of obtaining furfural : en ru
  • US2188340A - Process of reacting methyl vinyl ketone with hydrogen cyanide and products thereby obtained : en
  • GB517499A - Improvements in or relating to rear components for photographic objectives : en
  • DE687550C - Hammer mill arranged over a drying and sifting room : de en
  • GB517449A - Improvements in and relating to installations for the propulsion of watercraft : en
  • US2188437A - Sign construction : en
  • CH208301A - Device for grinding haysticks. : de en
  • CH208442A - Face protection device for motorcyclists, skiers, etc. : de en
  • US2188848A - Computing dispensing device : en
  • US2188353A - Removal of dirt : en
  • CH208364A - Fixing device for non-slip ski strip. : en fr
  • CH208395A - Arc welding electrode. : en it
  • DE687539C - Ski tip clamping device : de en
  • DE687636C - Periodic absorption refrigeration machine : de en
  • AU109648B2 - Improvements inthe sealing of metal strips through quartz or like vitreous material : en
  • USD118703S - Design for a plate ob similar article : en
  • FR852381A - Process for preparing enamels and opacified glasses by means of gas : en fr
  • US2188511A - Grading scale : en
  • USD118742S - Design fob a ijghting fixture : en
  • FR852416A - Catalyst for the treatment of hydrocarbon oils : en fr
  • DE687485C - Method for mending automobile tires : de en
  • DE687556C - Device for separating the bottom sheet from a stack of sheets : de en
  • DK57213C - Machine for Grinding Wood Waste. : da en
  • GB517511A - Improvements in or relating to sewing and mechanism adapted for use in sewing machines : en
  • US2188727A - Fifth wheel : en
  • USD118697S - Design fob a kope clamp : en
  • DE687501C - Steam plate dryer : de en
  • US2188326A - Electric welding : en
  • US2188446A - Composing room saw : en
  • US2188869A - Wire fence : en
  • CA386576A - Glow discharge device : en fr
  • US2188551A - Frozen custard making machine : en
  • DE687435C - gyroscope : de en
  • DE687528C - Process for cleaning and degreasing objects : de en
  • FR50255E - dynamic balancer : en fr
  • FR852409A - Arrangement of support rollers for tracked vehicles : en fr
  • US2188559A - Governor : en
  • US2188610A - Overflush mechanism for toilets : en
  • FR50271E - Improvements in wads for hunting cartridges and equipment for their manufacture and installation : en fr
  • GB517609A - Improvements relating to the manufacture of rubber flooring material : en
  • US2188530A - Contact member for sockets of plug and socket devices : en
  • FR852318A - Liquid ski filler : en fr
  • AU109591B2 - Improvements in gauges or measuring stops for bar shears, croppers, and wire cutting machines : en
  • DE687698C - Device for automatic shutdown of the dispensing line by the counter indicator of liquid measuring devices : de en
  • GB517526A - Improvements in or relating to infra red and longer wave length radiating tubes : en
  • DE676439C - Clothes hanger with holding clips for a pair of trousers that can be slid in the longitudinal slots of his arms : de en
  • US2188523A - Photographic objective : en
  • CH208356A - Process for the production of luminous enamel. : de en
  • SU56376A1 - The method of obtaining metal products with working parts, especially resistant in operation : en ru
  • GB517569A - Improvements in hand trucks : en
  • FR852348A - Bottle stopper : en fr
  • US2188543A - Bakepan cover : en
  • DE687603C - Lifting rotary dial with square movement for telecommunication systems, especially telephone systems : de en
  • DE687606C - : de en
  • US2188396A - Method of preparing polyvinyl halide products : en
  • US2188520A - Party line telephone system : en
  • US2188612A - Automobile visor map roller attachment : en
  • DE687498C - Motor vehicle with rollers located between the running wheels and arranged on the underside of the vehicle : de en
  • FR852417A - Telephone amplifier : en fr
  • GB517425A - X-ray contrast media : en
  • US2188570A - Armature for electric speedometers : en
  • US2188823A - Knitting needle : en
  • CA386586A - Radio receiver : en fr
  • CA386587A - Signalling device : en fr
  • US2188297A - Animal trap : en
  • DE687447C - Crown capsule made of aluminum with a corrugated edge all around : de en
  • DE687452C - Procedure for automatic traffic control : de en
  • GB517583A - Device for stringing labels and the like : en
  • US2188465A - Polymerization of olefins : en
  • US2188769A - Automatic changing mechanism for disk records : en
  • CA386618A - Very high frequency radio receiver : en fr
  • US2188374A - Loading and transporting apparatus : en
  • GB517585A - Improvements in or relating to controlling devices for fluid pressure brakes : en
  • FR852382A - Improvements made to the guidance of cam-controlled plate pushers : en fr
  • GB517471A - Improved drive for machines in which a flywheel is repeatedly accelerated through engageable and disengageable couplings : en
  • GR8737B - METHOD OF PROTECTION OF CLOSED AREAS AND THEY EXISTING FROM TOXIC GASES. : el en
  • FR50298E - Harvester for two rows of beets, cleaning machine, row or loader : en fr
  • USD118723S - Design for a funnel : en
  • USD118778S - Design fob an atomizer : en
  • US2188494A - Filler and method of making same : en
  • DE687412C - Sole and side seal for movable weir locks : de en
  • DE687413C - Boom anchoring : de en
  • FR50290E - Cold inhaler spray : en fr
  • GB517464A - Improvements in or relating to the production of wool-like fibres of cellulosic origin : en
  • GB517476A - Preparation of improved colouring matters : en
  • US2188572A - Air filter loader : en
  • FR852410A - New derivatives of azo dyes : en fr
  • GB517508A - Improvements in and relating to glazing bars : en
  • FR852339A - Bomb and gas proof shelter : en fr
  • GB517447A - Improvements in and relating to electric switches with arc-extinguishing means : en
  • US2188717A - Mop cleaner : en
  • US2188335A - Latch and safety catch mechanism for lid type automobile hoods : en
  • CA386545A - Milling machine : en fr
  • CH208335A - Method and device for erecting fancy thread chains in sizing machines. : de en
  • GR8738B - SPECIAL CAP FOR EXERCISE IN THE USE OF ANTI-STUFFING PERSONS AND SIMILAR. : el en
  • US2188659A - Selector switch brush : en
  • US2188553A - Paving material spreader : en
  • USD118771S - Design for a dress : en
  • US2188316A - Method of forming axle housings : en
  • DE687432C - Injection molding machine for plastic masses, especially synthetic resin : de en
  • FR852316A - Frame label holder : en fr
  • CH208303A - Apparatus for spraying liquids. : en fr
  • DE687395C - Method of generating mist : de en
  • FR50300E - Improvements to electrical resistance welding equipment : en fr
  • GB517396A - Process for the manufacture of wool dyestuffs of the anthraquinone series : en
  • GB517473A - Mechanism for applying fastener devices to envelopes and the like : en
  • DE687516C - Stranding machine for manufacturing lead-sheathed cables : de en
  • FR852422A - Objects for high temperatures, in particular an electric heating conductor and method for its manufacture : en fr
  • FR50297E - Process for the preparation of waxy substances : en fr
  • FR852477A - Heat treatment process for steels : en fr
  • GB517515A - Improvements in or connected with the hulls of flying or motor boats : en
  • GB517586A - Improvements relating to sparking-plugs : en
  • DK57215C - Light filter layer for multicolor photography. : da en
  • US2188541A - Journal box seal : en
  • GB517367A - Process for the manufacture of cast iron : en
  • SU56290A1 - Device for automatically removing the disc from the gramophone disc : en ru
  • FR852474A - Valve control device for hydraulic devices : en fr
  • DE687575C - Pipe T-piece : de en
  • US2188889A - Condensation product and method : en
  • US2188835A - Stop signal : en
  • USD118758S - Design for a pin clip : en
  • US2188801A - Oil dilution system : en
  • GB517400A - Improvements in and relating to de-icing attachment for airplane propellers : en
  • USD118733S - Unttfd statfs patfnt offitf : en
  • FR852500A - Improvements in the melting of aluminum or aluminum alloys and other easily fusible metals and alloys : en fr
  • USD118721S - Design fob a pitcher or similar : en
  • US2188684A - Machine for cleaning furs : en
  • USD118729S - Design for a lighting fixture or : en
  • FR852429A - Process for preparing enamels and opacified glasses by means of gas : en fr
  • GB517457A - Manufacture of sulphur-containing organic compounds : en
  • GB517366A - Process for far-reaching deoxidation of steel by carbon : en
  • DE687573C - Rotary piston internal combustion engine with slide pistons which are displaceable in the piston drum and guided on slideways in the housing : de en
  • GB517371A - Improvements in and relating to air or gas compressors : en
  • GB517460A - Improvements in or relating to sewing and mechanism adapted for use in sewing machines : en
  • FR852302A - Electric musical instrument : en fr
  • FR852449A - Branch box : en fr
  • DE687466C - Method for influencing the reverberation in a sound transmission system : de en
  • DK57204C - Locking list of resilient material for doors, windows and hatches. : da en
  • DE687598C - Film printing stencil : de en
  • FR852419A - Improvements to static converter devices with discharge paths, preferably with gas or vapor atmosphere, and with suction transformers : en fr
  • US2188308A - Connecting mechanism : en
  • US2188536A - Apparatus for twisting dough : en
  • FR852403A - Cupboard latch : en fr
  • USRE21340E - Grain pan raising and lowering : en
  • DE687677C - Device for measuring or switching purposes for monitoring the axial play of machines, especially steam turbines, with an almost constant speed : de en
  • DE687700C - Temperature control of culture containers : de en
  • FR50276E - Method for operating an internal combustion engine : en fr
  • GB517603A - Improved device for coupling a container and a closure, two tubes or the like : en
  • FR852306A - Improvements to folding glasses : en fr
  • US2188390A - Suction cleaner : en
  • AU23139A - Improvements relating tothe desulphurization of cast iron : en
  • GB517510A - Vertical bed cylinder printing press : en
  • GB517453A - A new or improved stapling mechanism : en
  • DE687681C - Water distribution device for compulsory mixers of high performance, especially for road construction : de en
  • US2188714A - Antitheft device : en
  • GB517528A - Improvements in flameproof electric switches : en
  • FR852330A - Apparatus regulating the flow of fuel into the carburetor for the operation of engines using a pump for supply : en fr
  • DE687572C - Portable box for storing elastic dropper bottles with capillary discharge openings which are used to hold analysis fluids : de en
  • DE687668C - Process for the digestion of cellulose or cellulose-containing raw materials into sugars : de en
  • FR852336A - Improvements to internal combustion engines : en fr
  • FR852496A - Improvements in the preparation of soles to be glued to shoes : en fr
  • USD118700S - Design for a lather s tool head : en
  • GB517594A - Improvements in or relating to shutter release mechanisms for photographic cameras : en
  • FR50266E - Photographic slit shutter : en fr
  • GB517501A - Improvements in or relating to lenses : en
  • CH208404A - Device for removably joining two metal sheets. : en fr
  • CH208394A - Welding rod made of cast iron, cast steel or the like. Material that is non-deformable when cold. : de en
  • GB517370A - Improvements relating to aircraft undercarriages with resilient wheel units : en
  • CA386619A - Moulding process and material : en fr
  • CH208389A - Process for operating foundry shaft furnaces. : de en
  • FR852425A - Composite image stereograms and networks intended for the observation of such stereograms : en fr
  • GB517438A - Improvements in and relating to electric motor control systems : en
  • US2188433A - Work holding device : en
  • US2188860A - Refrigerator car floor rack : en
  • CA386610A - Knitting machine : en fr
  • FR852435A - Rotary impeller pump, liquid ring, for gaseous media : en fr
  • GB517418A - Improvements relating to bearings : en
  • SU56452A1 - Needle sorting machine : en ru
  • US2188318A - Stone cutter : en
  • US2188428A - Auxiliary bag for vacuum cleaners : en
  • CH208366A - Board game. : de en
  • USD118746S - Design for an ashtray : en
  • CH208456A - Method and device for remote transmission, in particular for remote interrogation of counter readings or the like. : de en
  • DE687425C - Method and device for welding ringfoerm : de en
  • FR852392A - New product for sealing and sealing : en fr
  • AU23839A - Improved apparatus for cooling dwellings andthe like buildings : en
  • GB517589A - Improvements in and relating to miners' safety lamps : en
  • DE687404C - Electric switch : de en
  • CH208314A - Paver lined with rubber. : en fr
  • CH208334A - Ring spinning and twisting machine. : de en
  • CA386633A - Water purification : en fr
  • GB517442A - Improvements in alloys and their manufacture : en
  • DE687416C - Compressors, especially for refrigeration machines : de en
  • AU109626B2 - Improved method of manufacturing pipes or like hollow articles of concrete or like plastic cement-containing material : en
  • DE687455C - Holder for piezo crystals : de en
  • FR852472A - Prepaid newspaper vending machine : en fr
  • GB517567A - Improvements relating to steel smelting furnaces : en
  • DE687398C - : de en
  • FR852337A - Electric capacitors : en fr
  • CH208455A - Circuit arrangement for high-frequency systems with power lines. : de en
  • US2188354A - Self-cleaning hydraulic spray device : en
  • US2188787A - Infant's hand guard : en
  • CH208441A - Bottle for sterile storage of catgut or other surgical sutures. : de en
  • DK57206C - Procedure for Separating Healthy and Degradative Potato Tubers. : da en
  • AU109637B2 - Improvements relating tothe desulphurization of cast iron : en
  • DE687534C - Propeller with blades that can be rotated around the longitudinal axis : de en
  • CH208372A - Device for determining the mean value of a measured variable in a specific period. : de en
  • DE687546C - Switching mechanism for cash registers or accounting machines : de en
  • AU23239A - Improvements relating to metallurgical process and apparatus : en
  • FR852433A - Decorative or advertising panel : en fr
  • US2188834A - Control apparatus for vehicles : en
  • DE687663C - Metal protective edge for propellers, especially those made of wood : de en
  • CH208348A - Process for the preparation of a new oxyketone of the androstane series. : de en
  • DE687674C - Tool for the production of thin-walled pipes : de en
  • US2188668A - Means for flowing wells : en
  • US2188378A - Accordion : en
  • US2188631A - Trepanning drill : en
  • US2188836A - Radiator valve and trap : en
  • USD118770S - Design fob a dress : en
  • DE687055C - Protection arrangement for meshed alternating current high-voltage distribution networks : de en
  • DK57201C - Apparatus and Procedure for the manufacture of yarns, yarns or wire insulations of glass rods and other textile rods. : da en
  • US2188858A - Oil seal : en
  • GB517413A - Non-slipping horse-shoe : en
  • CA386632A - Hoist drive and control : en fr
  • CH208381A - Vibration organ for electrodynamic vibration transducers and method for producing a vibration organ. : de en
  • CH208396A - Clamping device for machine tools, especially small machine tools, such as. B. Décolleteuses, screw machines. : de en
  • US2188430A - Air or current separator : en
  • DE687702C - Process for the production of impregnated paper vessels with folding lock and impregnation device for such paper vessels : de en
  • AU109640B2 - A spreader for distributing farm yard manure, lime, fertilisers and seed and for topdressing land : en
  • AU115939A - Improvements in processes for mineral separation : en
  • DE687656C - Fertilizer spreader : de en
  • AU27839A - Improvements inthe manufacture of foundry molds : en
  • CH208346A - Process for the manufacture of wadding filters for cigarettes. : en it
  • US2188371A - Method of impregnating products with liquid agents : en
  • USD118698S - Design for a transparency : en
  • CH208315A - Hand rams, especially for road construction. : de en
  • CH208457A - Portable advertising device with a plurality of gas and respectively. Vapor discharge tubes. : de en
  • CH208400A - Stubble shearer. : de en
  • GB517436A - Manufacture of hydroxylamine hydrochloride : en
  • GB517545A - Improvements in and relating to the production of railway rails, wheel rims, sheet piling, and the like : en
  • FR852349A - Teaching object : en fr
  • DE679685C - Building drying oven : de en
  • DE680349C - Device for cleaning felts in paper, cardboard or the like machines : de en
  • USD118784S - Design for a dress : en
  • FR852375A - Process for making wooden pavings non-slip with possible application to tarred roads : en fr
  • FR852441A - Device for lifting a container, such as a saucepan : en fr
  • CH208476A - Feeler control device, in particular for copy milling machines, copy planing machines or copy grinding machines. : de en
  • GB517433A - Improvements in or relating to methods of and apparatus for nut cracking : en
  • GB517392A - Improvements in or relating to apparatus for generating synchronising signals for television and like purposes : en
  • CH208440A - Metal halide electric discharge lamp. : de en
  • GB517427A - Improvements relating to luminescent screens in cathode ray and like electron discharge tubes : en
  • USD118761S - Design fob a dress : en
  • USD118800S - Design fob a lace collar or similar : en
  • FR50269E - Tipping device for dumpers and similar vehicles : en fr
  • US2188839A - Milk cooler : en
  • USD118757S - Design for a pin clip : en
  • US2188679A - Television and like system : en
  • US2188372A - Refrigeration : en
  • DE664472C - Construction drying oven : de en
  • DE687430C - Sprue for casting molds : de en
  • FR50283E - Mechanical excavator for narrow underground : en fr
  • FR852320A - Plane with pop-up landing gear or pop-up floats : en fr
  • US2188514A - Tripod : en
  • FR852319A - Shoe and sole for flat feet and sagging arch : en fr
  • DE687679C - Depositing device of a die setting and line casting machine : de en
  • DE687691C - Electron tubes, especially for very high frequencies : de en
  • US2188518A - Symbol display device : en
  • US2188756A - Block signal and train control system for toy railroads : en
  • US2188474A - Air and other separator : en
  • US2188774A - Leather dyed with monoazo dyestuffs : en
  • DE687397C - : de en
  • DE687531C - Power-operated hand machine tool, in particular a : de en
  • DE687687C - Fluid-cooled rotating field magnet for turbo generators : de en
  • US2188683A - Lubricating means for sewing machines : en
  • US2188737A - Apparatus for recovering oil from subterranean oil pockets : en
  • US2188779A - Self-sealing film roll for cameras : en
  • USD118704S - Design for a plate or similar article : en
  • USD118717S - Design for : en
  • US2188622A - Photographic enlarging apparatus : en
  • US2188327A - Composition for preservation of and combination with latices, rubber, and other proteins and decomposable organic compounds : en
  • US2188719A - Beehive : en
  • GB517420A - Improvements in or relating to radio receivers : en
  • DE687610C - Steam jet pump : de en
  • DE687667C - Device for the production of hollow blocks closed on five sides : de en
  • AU20839A - Improvements in or relating to magnetron detector arrangements : en
  • US2188336A - Dash-operated latch and safety catch mechanism for lid type automobile hoods : en
  • DE687431C - Feeder carriage for bread slicers with disk knife : de en
  • GB517373A - Improvements relating to aircraft undercarriages with resilient wheel units : en
  • DE687446C - Suspension of motorcycles : de en
  • FR852402A - Method and device for assembling pieces of wood : en fr
  • GB517505A - Improvements in or relating to film treating machines : en
  • US2188733A - Automatic display device : en
  • US2188799A - Pretzel machine : en
  • GB517495A - Improvements in or relating to reflex or twin lens photographic cameras : en
  • GB517542A - Improvements in or relating to supports for lamps and other articles : en
  • GB517378A - Improvements in water heaters or boilers : en
  • GB517597A - Improvements in or relating to deflecting means for use with cathode ray tubes : en
  • GB517381A - Improvements in fractionating columns : en
  • US2188507A - Fluid dispensing device : en
  • DE687623C - Anti-skid device for pneumatic tires : de en
  • GB517549A - Improvements in berths, hammocks and the like for tents, huts, barracks and the like : en
  • GB517377A - Improvements relating to electric light fittings : en
  • FR50274E - Anti-fog and anti-icing heater, in particular for windshields and windows of automobiles and airplanes : en fr
  • DE686311C - Detergents, wetting agents and softeners : de en
  • US2188590A - Nonsmudging transfer sheet : en
  • US2188771A - Electrode : en
  • US2188586A - Counter construction : en
  • US2188868A - Bowler's grip ball : en
  • US2188397A - Curtain drying apparatus : en
  • US2188519A - Electrical switch : en
  • US2188532A - Door lock attachment : en
  • US2188819A - Tie-spacing device : en
  • USD118799S - Design for a combination slacks : en
  • GB517389A - Improvements in or relating to tally strip mechanism for accounting or like calculating machines : en
  • FR50275E - : fr
  • AU109596B2 - Improved process and apparatus for making base assemblies for sealed glass envelopes : en
  • USD118715S - Design fob a hinge ob similab abticle : en
  • USD118779S - Design fob a dress : en
  • US2188854A - Oil seal : en
  • GB517462A - Improvements in and relating to means for indicating, recording or registering the content of a substance present in a liquid : en
  • AU109602B2 - Improvements in high-pressure metal-vapour electric discharge H devices : en
  • CH208435A - Electrically heated paternoster furnace with air circulation. : de en
  • GB576359A - Improvements in or relating to controlling aircraft : en
  • GB517566A - Improvements in roentgen-ray apparatus : en
  • AU109611B2 - Improvements in electric circuits adapted to operate electric discharge devices : en
  • CH208359A - Rotary printing press. : de en
  • DE687710C - vice : de en
  • CH208475A - Process for the production of an organic mercury compound. : de en
  • US2188470A - Wire drawing die and die holder : en
  • US2188685A - Delayed action switch : en
  • USD118768S - Design for a gas range cabinet : en
  • US2188689A - Vehicle spring : en
  • US2188830A - Potentiometer : en
  • SU56299A1 - Electric furnaces : en ru
  • US2188687A - Method and apparatus for recording and reproducing sound : en
  • US2188748A - Calculating machine : en
  • GB517536A - Improvements in and relating to electric lamps : en
  • GB517555A - Improvements in or relating to electric sound-reproducing appliances for deaf-aid orfor small portable wireless receiving sets : en
  • DE687419C - Device for remote control of any number of switching devices in a receiving station to be selected : de en
  • GB517531A - Improvements relating to piston packing rings : en
  • DK57221C - Klapdavid. : da en
  • DE687634C - Letter folder with a swiveling pair of racks : de en
  • US2188528A - Method of and machine for conditioning stereotype matrices : en
  • IE15620L - H.p.m.v. discharge devices : en
  • IS128B6 - Method of production of oils from fish liver : en is
  • DE687500C - Alarm system, in particular fire alarm system : de en
  • DE687608C - Jacquard flat knitting machine with needle feet sunk into the needle channels : de en
  • DE687518C - Foot starter : de en
  • FR852357A - Overcurrent circuit breaker, with contact capable of rolling : en fr
  • GB517458A - Improvements in regulators : en
  • US2188401A - Apparatus for tempering glass : en
  • US2188704A - Engine throttle governor : en
  • US2188887A - Oily dispersion material : en
  • DE687570C - he internal combustion engines : de en
  • FR852408A - Elastic mounting of support rollers for tracked vehicles : en fr
  • AU33140A - Improvements in and relating tothe construction and assembly of inter'fitting machine and like parts : en
  • FR852493A - Car in residential tent : en fr
  • CH208436A - Gas burner. : de en
  • US2188311A - Composition for stopping leaks : en
  • CH208306A - Rib with web for concrete ceilings without shuttering. : de en
  • DE687713C - Remote monitoring device for adjustable organs : de en
  • DE687399C - Method and device for opening flat folding boxes : de en
  • FR852372A - Process for making fibrous materials impermeable to water : en fr
  • AU109628B2 - Improvements in inertia element operated devices : en
  • AU109597B2 - Improved means for amplifying sounds produced on musical instruments : en
  • CA386527A - Piston casting manufacture : en fr
  • CH208317A - Heating device. : de en
  • CH208468A - Device for preventing two-wheeled vehicles, in particular motorcycles, from tipping over. : de en
  • CA386548A - Aircraft turn responsive instrument : en fr
  • US2188375A - Buffing wheel : en
  • USD118750S - Design fob a dress : en
  • CH208382A - Method for stereophonic reproduction of sound vibrations and device for carrying out the method. : de en
  • DE687451C - Extractor consisting of two symmetrical halves : de en
  • CH208337A - Fabric presser drive device for leather sewing machines. : de en
  • CA386573A - Hydrogen peroxide manufacture : en fr
  • CA386560A - Anti-skid device : en fr
  • AU17139A - Improvements in or relating tothe protection of magnesium and magnesium alloys : en
  • CA386565A - Metal cold rolling process : en fr
  • CH208321A - Installation in firing systems for the return of the unburned carbonization gases. : de en
  • CH208380A - Limit switch arrangement on steel tone machines. : de en
  • USD118720S - Design for a supper : en
  • CA386621A - Corner bead : en fr
  • CH208330A - Device to increase the profitability of a cooker. : de en
  • DE687665C - Formation of the shaft used for torque transmission on the propeller in aircraft engines : de en
  • CA386552A - Water shoe : en fr
  • CH208362A - Paper sledge for writing office machines. : de en
  • DE687558C - Device for converting a road vehicle into a rail vehicle : de en
  • US2188634A - Air separator : en
  • GB517411A - Improvements in or relating to x-ray apparatus : en
  • AU18539A - Improvements in or relating to modulated carrier wave transmitters : en
  • CA386614A - Inductive radio tuner : en fr
  • DE687666C - Drive device for the chassis of a self-propelled engine that drives a working machine arranged on the chassis : de en
  • CA386605A - Multipactor phase control : en fr
  • CA386541A - Ice skate : en fr
  • CA386649A - Oil burner combustion apparatus : en fr
  • CH208336A - Weft stop device in looms. : de en
  • CA386566A - Printing press : en fr
  • CA386654A - Clothes washing apparatus : en fr
  • CH208357A - Accounting form. : de en
  • CH208428A - Contact arrangement for electrical low and high voltage switches, fuse cartridges or the like. : de en
  • CH208434A - Vacuum vessel, especially for electron tubes. : de en
  • FR50295E - Device for obtaining a uniform temperature over the entire length of the test bars, in particular in the hot rupture test or in the hot duration test : en fr
  • DE687461C - Device for continuous multiple longitudinal folds of thin fabrics u. Like., In particular gauze bandages for bandages : de en
  • DE687481C - Override protection device : de en
  • DE687488C - Machine for peeling and cutting cocoa beans : de en
  • US2188512A - Method of making shoes : en
  • DE687465C - Device for converting a linkage ratio change on vehicle brakes, in particular railway car brakes : de en
  • DE687705C - ren : de en
  • DK57222C - Sticking machine with Cutting device. : da en
  • CA386624A - Titanium salt solution seeding agent : en fr
  • FR852341A - Volume compression device for sound reproducing devices : en fr
  • GB517387A - Improvements in machines for shearing metals : en
  • CA386533A - Camera : en fr
  • CH208411A - Device for setting up and transporting masts, scaffolding poles and the like. : de en
  • DE687384C - Mouthpiece for vacuum cleaner with a brush ring arranged around the opening : de en
  • US2188615A - Horoscope unit for dispensing machines : en
  • CH208360A - Key heads made of synthetic material for typewriters, calculating machines and the like. : de en
  • FR50262E - Thermite welding process : en fr
  • GB517598A - Improvements in or relating to projection screens : en
  • FR852323A - Coatings paints : en fr
  • GB517468A - Improvements in and relating to dynamo electric machines : en
  • USD118749S - Design for a louvered light trans : en
  • FR852343A - : fr
  • US2188879A - Vehicle underframe construction : en
  • AU132339A - Improvements in or relating to franking machines : en
  • CH208415A - Feed system for steam boiler. : de en
  • US2188800A - Double duty snow plow : en
  • CA386536A - Portable sewing machine : en fr
  • US2188296A - Moistening device : en
  • US2188695A - Electric precipitator : en
  • US2188857A - Oil seal : en
  • DE687457C - Automatic safety gas lock : de en
  • AU109603B2 - Improvements in and connected with hooks, shackles, andthe like : en
  • CA386639A - Chimney draft device : en fr
  • CH208324A - Furnishing provided with ovens. : de en
  • DE687596C - Drive device on stencil printing machines, especially for textile printing : de en
  • US2188888A - Condensation product and method : en
  • US2188890A - Olefinic condensation product combined with a phenol and method : en
  • US2188893A - Refrigerating apparatus : en
  • FR50281E - Hard alloy for cutting tools : en fr
  • FR852386A - Automotive windshield wipers : en fr
  • CA386559A - Heat exchanger : en fr
  • SU56417A1 - Device for vulcanization of molded rubber products : en ru
  • DE687680C - Road roller : de en
  • DE687507C - Automatic valve, especially for compressors : de en
  • AU109604B2 - Improvements in or relating to magnetron detector arrangements : en
  • DE687562C - he stretching device in a device for practicing the method : de en
  • GB517602A - Improvements in nipkow discs for use in television : en
  • DE687389C - Dilution of exhaust gases from motor vehicles by means of air from the cooling air flow of the engine : de en
  • GB517372A - Improvements in airscrews : en
  • FR852310A - Sound-visual film apparatus : en fr
  • GB517538A - Improvements in or relating to electric hot-plates : en
  • US2188491A - Ornamental leather and other sheet materials : en
  • GB517497A - Improvements in or relating to an optical projection apparatus : en
  • DE687420C - Potentiometer with switch : de en
  • DE687520C - Electrical safety device for large currents : de en
  • DE687693C - Device for automatic regulation and safety : de en
  • GB517477A - Improvements in or relating to regulators for dynamos : en
  • US2188682A - Dispensing device : en
  • AU109647B2 - Improvements in or relating to gravity separation of ores : en
  • FR852499A - Device to ensure cornering stability of vehicles with elastic suspension : en fr
  • GB517459A - Method of dust-proofing fuel by spraying viscous waxes and oils thereon : en
  • DE687549C - Electrode for the electrolytic production of coatings made of tungsten alloys : de en
  • US2188535A - Measured service telephone system : en
  • US2188643A - Filter : en
  • GB517375A - Improvements in or connected with winding engines : en
  • DE687586C - Wheel frame with fork rocker to make bed guns mobile : de en
  • GB517537A - Steroid ketone compounds and their preparation : en
  • US2188560A - Panel : en
  • AU109629B2 - Mechanically adjustable and detachable buttons : en
  • US2188863A - Grease and method of making the same : en
  • CA386608A - White lead pigment : en fr
  • AU109643B2 - Improvements in windmills : en
  • DE687620C - of paper packages : de en
  • CH208402A - Waste containers, in particular ash containers. : de en
  • US2188824A - Top spinning device : en
  • US2188846A - Ratchet device : en
  • GB517574A - Improvements in and relating to gas blast electric switches : en
  • FR852370A - Process for obtaining elemental sulfur starting from pyrite : en fr
  • FR852442A - Vibrant light decor : en fr
  • DE687659C - Process for improving weld seams : de en
  • US2188768A - Harvesting device : en
  • DE687471C - Process for the recovery of solvents in the dewaxing of hydrocarbon oils : de en
  • CH208312A - Sweeper with automatic opening and closing with gate forming shovel-picker. : en fr
  • CA386553A - Powder and puff box : en fr
  • DE687564C - Process for disrupting animal organs : de en
  • SU56308A1 - The method of distillation of alcohol on periodically operating devices : en ru
  • USD118744S - oetinger : en
  • CA386615A - Radio tuning circuit : en fr
  • CH208407A - Glued double drive belt. : de en
  • US2188373A - Felted product and method and machine for making the same : en
  • CA386640A - Electric insulator : en fr
  • USD118790S - Design for an air conditioner : en
  • CA386588A - Stud locking device : en fr
  • FR852363A - Advanced telescopic antenna for t installations. s. f. in cars : en fr
  • CA386609A - Electric transformer : en fr
  • CA386584A - Autocollimating reflector : en fr
  • US2188815A - Gasket : en
  • US2188669A - Plan file : en
  • US2188701A - Support for beaters or mixers : en
  • US2188806A - Electric circuit interrupter : en
  • US2188455A - Well spudding apparatus : en
  • CH208316A - Gas heater. : de en
  • CA386650A - Anti-skid device : en fr
  • CH208470A - Device for holding the pelerine tips in their protective position while cycling. : de en
  • DE687541C - Device for protecting the screen in cathode ray tubes : de en
  • GB517588A - Improvements in means for artificial floral decorations : en
  • CH208465A - Device for displaying the direction of travel on vehicles, in particular streamlined cars. : de en
  • US2188445A - Metal connection for building elements : en
  • CH208448A - Hair care device. : de en
  • US2188313A - Fluid pressure operated variable pitch propeller : en
  • US2188498A - Remote control wave signal receiver : en
  • US2188652A - Animal trap : en
  • CA386567A - Ironing machine clutch : en fr
  • CH208376A - Zeroing device on an adding, calculating or calculating typewriter. : de en
  • CH208473A - Arrangement for electric locomotives and wagons driven by AC series motors to achieve a distribution of the pulling force of the motors that corresponds to the wheel pressure distribution on the individual wheel pairs. : de en
  • CH208446A - Process for the preparation of a condensation product. : de en
  • USD118716S - Design fob a combination toilet seat : en
  • CH208460A - Hinged lid box with snap locks. : de en
  • AU109612B2 - Improvements in or relating tothe protection of magnesium and magnesium alloys : en
  • US2188818A - Track-aligning device : en
  • US2188524A - Base for air sealed vaults : en
  • AU109633B2 - Improvements relating tothe dyeing and finishing of textile materials : en
  • CA386563A - Colour photography : en fr
  • AU261839A - Improvements in or relating tothe electrode systems of cathode-ray tubes : en
  • AU155739A - Ornamental glass product and method of manufacture thereof : en
  • USD118710S - Design fob carbon holder for elec : en
  • USD118748S - Design for a combined connecting : en
  • CH208318A - Space heating installation. : en fr
  • FR852452A - Process for the manufacture of new azo dyes and their application to the coloring of cellulosic materials : en fr
  • FR852483A - Electricity meters and other sliding scale tariff devices including a control that varies automatically with consumption : en fr
  • USD118793S - Design fob an electric range : en
  • US2188600A - Duplicating machine : en
  • USD118777S - Design for a dress : en
  • AU109635B2 - Improvements in water heaters : en
  • US2188729A - Running board for railroad cars : en
  • USD118728S - Design for a milk can : en
  • US2188419A - Condolence receptacle : en
  • DE687580C - ch : de en
  • GB517502A - Improvements in or relating to optical systems : en
  • US2188780A - Snap switch : en
  • CA386571A - Mixing and reacting apparatus : en fr
  • CH208384A - Waterproof winding and time-setting mechanism. : en fr
  • DE687565C - Beginnings for glassmakers : de en
  • DE687566C - Water heater coil that can be used in the combustion chamber of a cooking range : de en
  • US2188490A - Radio receiving apparatus : en
  • US2188602A - Music stand : en
  • US2188861A - Driven steering wheel axle structure : en
  • GB517491A - Improvements in or relating to perforated film photographic cameras : en
  • US2188493A - Strainer and the method of making the same : en
  • USD118731S - Design for a cook stove : en
  • DE687593C - Process for the production of jelly pulp containing swelling binders and drug powder : de en
  • DE687576C - Corrugated cardboard jacket for pipes insulated against heat and cold losses : de en
  • DE687489C - Multi-layer concrete pipe : de en
  • US2188475A - Evaporator for refrigeration systems : en
  • USRE21337E - Door weather strip : en
  • US2188413A - Plow : en
  • GB517562A - Time-interval measuring device : en
  • CH208443A - Process for the preparation of a lipoid-soluble mixture with bactericidal properties. : de en
  • GB517500A - Improvements in or relating to motion picture projectors : en
  • DE687533C - Centrifugal spring governor : de en
  • CA386613A - Electric condenser and mounting : en fr
  • CH208451A - Evaluation device for pulse combinations, in particular for telegraph equipment. : de en
  • US2188355A - Master cylinder : en
  • FR852465A - Improvements to transmission systems : en fr
  • FR852354A - Ignition distributor for engines : en fr
  • DE687631C - Electric gas lighter : de en
  • GB517492A - Improvements in or relating to photographic and kinematographic cameras : en
  • GB517573A - Improvements in high-pressure metal-vapour electric discharge devices : en
  • GB517578A - Improvements in or relating to thermionic valves : en
  • DE687645C - : de en
  • FR852487A - Improvements to the methods of preparing a cellulose solution and producing rayon : en fr
  • DE687508C - Feed gear for machine tools, especially milling machines : de en
  • GB517552A - Improvements in steam valves for revolving cylinder steam engines : en
  • US2188306A - Method of and apparatus for filling cans : en
  • US2188384A - Record and method of making the same : en
  • GB517452A - Process for regenerating copper contained in the waste liquors of cuprammonium artificial silk production : en
  • FR852367A - motor assembly for alternating current devices with mobile drum : en fr
  • FR852393A - Gasifier opening base : en fr
  • GB517415A - Improvements in electrochemical treatment of metal : en
  • GB517479A - Improvements in and relating to electric transformers of the liquid immersed type : en
  • GB517599A - Improvements relating to lifting and transporting trucks : en
  • FR852485A - Improvements to control devices or adjustment devices such as, for example, autopilot devices for ships : en fr
  • GB517454A - Improved process and plant for the hydrolysis of cellulose materials and the like : en
  • US2188452A - Brake : en
  • FR852391A - : fr
  • DE687597C - Stencil printing machine with electric drive : de en
  • CH208462A - Device for rotating baskets filled with items to be treated about a horizontal axis while they are being conveyed through a space in which the items to be treated are exposed to the action of a liquid or vaporous substance. : de en
  • GB517516A - Improvements in or relating to electric wave transmission networks : en
  • GB517556A - Improvements in rotary boring and facing heads : en
  • DE687509C - Spatially changeable pressure body, especially for aircraft wheel brakes : de en
  • DE687510C - Process for the production of soft composites suitable for plastic parts : de en
  • DE687587C - Deposit device for stick cigarette machines : de en
  • GB517385A - Improvements in carburettors for internal combustion engines : en
  • DE687426C - Arrangement for determining the starting time of current or voltage pulses for supplying the control voltages of controlled discharge paths, which are used in particular for switching electrical resistance welding machines : de en
  • DE687443C - Mobile liquid container : de en
  • FR852380A - Process for the hydrogenation of the products of the distillation and extraction of coals : en fr
  • FR852350A - Rubber shoe : en fr
  • GB517509A - Improvements in or relating to packing or joint rings : en
  • DE687660C - Barrel can : de en
  • US2188613A - Sink strainer : en
  • US2188702A - Pump or motor : en
  • USD118774S - Design for an electric heater : en
  • IE15740L - Rectifier supplying different voltages : en
  • US2188782A - Processing machine : en
  • US2188337A - Sound disk record and method and apparatus for making same : en
  • US2188680A - Spiral binder : en
  • US2188807A - Resilient motor mounting : en
  • SU56333A1 - The method of obtaining nitrocellulose-rubber varnishes : en ru
  • CH208308A - Window. : de en
  • USD118803S - Design for a slip : en
  • US2188389A - Electrical high frequency signaling system : en
  • GB517518A - Improvements in or relating to electrically operated railway or tramway points shifting mechanism : en
  • DE687496C - Drum-shaped hood made of hinged parts, especially for aircraft engines : de en
  • US2188348A - Traffic control system : en
  • US2188349A - Hold-over refrigeration unit : en
  • US2188656A - Means for flowing wells : en
  • CH208351A - Process for the preparation of a mixture of racemic ephedrine and racemic pseudoephedrine. : de en
  • US2188826A - Huller type cotton gin : en
  • US2188873A - Making articles from powdered components : en
  • USD118753S - Design for a coat : en
  • SU56296A1 - Device for remote control of tanks for liquid fuel : en ru
  • DE687401C - Regenerative braking circuit for electric vehicles with direct current series motors : de en
  • DE687409C - Device for aligning tobacco leaves : de en
  • DE687512C - Water preheater or evaporator with elastic Heizkoerperwandungen : de en
  • US2188674A - Merchandise display structure : en
  • DE687458C - Notching machine for powerful floeze : de en
  • US2188357A - Dumb-waiter control system : en
  • US2188546A - Fluid motor : en
  • GB517402A - Improvements in or relating to boxes or cartons used as display devices : en
  • GB517437A - Improvements in or relating to suction cleaners or other electrically-operated portable appliances : en
  • US2188661A - Electronic device : en
  • FR50253E - Improvements to signal repeater devices on board railway convoys : en fr
  • GB517548A - Improvements in portable buildings : en
  • DE687718C - Method for burning vaeran anchors into artificial teeth : de en
  • US2188307A - Preparing shredded tobacco : en
  • US2188864A - Grease and method of making the same : en
  • USD118736S - Design fob a slipper : en
  • FR852356A - Electric door operating device by motor : en fr
  • GB517429A - Improvements in grilling apparatus : en
  • FR852377A - Process for fractionating and extracting a mixture of isomeric organic compounds : en fr
  • FR852383A - Exhaust system for internal combustion engine : en fr
  • US2188315A - Condensing steam locomotive : en
  • US2188339A - Chronograph screen : en
  • US2188832A - Lathe : en
  • FR50292E - Process and devices for the dedusting of moving granulated products : en fr
  • GR8741B - PERFORATED WOODEN DIVISORS OF ELECTRIC BATTERIES. : el en
  • FR852387A - Process for recovering the residual palm oil incorporated in the mass of palm fruits, fibers or others having undergone a first deoiling operation and device for implementing this process : en fr
  • FR852475A - Naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these various substances : en fr
  • US2188504A - High-frequency signal-translating stage : en
  • DE687706C - Device for heating bombs in aircraft : de en
  • US2188891A - Automobile hood : en
  • GB517595A - Improvements in or relating to photographic copying apparatus : en
  • USD118752S - Design for a flower holder or : en
  • USD118775S - Design fob an electric heater : en
  • DE687536C - Bottle cap with sealing insert : de en
  • FR50278E - Invisible radio receiver : en fr
  • GB517478A - Improvements relating to wind screen wipers : en
  • FR852328A - : fr
  • AU109632B2 - Improvements in or relating to methods of mechanical scanning of sound recordings : en
  • AU509138A - Improvements in or relating to circuits for operating high-pressure mercury-vapour lamps : en
  • USPP357P - Gladiolus : en
  • AU18439A - Improvements in or relating to electron multipliers : en
  • US2188325A - Color photography : en
  • GR8740B - METHOD OF PREVENTIVE INVENTION OF GLASS WATER HEAT INSULATION VACUUM (THERMOS). : el en
  • US2188812A - Control for wringers : en
  • US2188364A - Load lifter and balancer : en
  • USD118781S - Design for a vanity case or similar : en
  • CA386596A - Aircraft sustaining rotor : en fr
  • DE687393C - Process for the production of fuel-resistant painted containers such as car tanks : de en
  • DE687577C - Machine tool, in particular lathe, for processing crankshafts and camshafts : de en
  • FR852312A - Electrolytic metal polishing process : en fr
  • DE687421C - Device for maintaining cathode emission in inverters with a low number of phases with mercury cathode vessels : de en
  • DE687477C - Device for generating artificial respiration : de en
  • FR852346A - : fr
  • US2188886A - Condensation product and method : en
  • US2188480A - Game and game board : en
  • DE687540C - Locking device for container : de en
  • DE687511C - Rolling mill for rolling out railway rails : de en
  • DE687699C - Counter element for punch card machines : de en
  • FR852445A - Device for guiding and joining in wick or other similar form of glass filaments : en fr
  • DE687589C - Device for continuous diffusion : de en
  • US2188469A - Timing means : en
  • US2188843A - Numbering device for photographic films : en
  • DE687388C - on : de en
  • FR852345A - Method for preparing tartar : en fr
  • DE687463C - Process for cleaning synthetic resins, in particular phenol-aldehyde condensation products : de en
  • DK57210C - Rail Head Protective Sheath for Use in Aluminum Thermal Rail Welding. : da en
  • US2188323A - Method of preparing co-carboxylase : en
  • US2188359A - Thread store device : en
  • US2188477A - Method of forming vehicle wheels : en
  • DE687611C - en : de en
  • US2188563A - Cooking utensil : en
  • US2188776A - Dyestuffs of the anthraquinone series : en
  • USD118692S - Design for a shoe : en
  • US2188791A - Ironing machine : en
  • US2188485A - Coating machine : en
  • US2188556A - Radio compass system : en
  • US2188605A - Suspension unit for chair backs : en
  • US2188671A - Wave amplifying system : en
  • US2188767A - Cement and cementing operation : en
  • FR852480A - Removable metal tab for instant attachment of leather watch straps, belt buckles and more : en fr
  • GB517557A - Improvements in and relating to tread strips for the running boards or bodies of vehicles : en
  • US2188497A - Container and method of making the same : en
  • DE687559C - Receiving device for remote controlled systems : de en
  • USD118786S - Design for a dress ensemble : en
  • CH208452A - Arrangement for pulse transmission by means of relays using alternating current, in particular for modulating carrier-frequency alternating currents in accordance with a pulse train transmitted as ringing alternating current. : de en
  • GB517380A - Improvements relating to aircraft undercarriages with resilient wheel units : en
  • US2188772A - Method of distilling mixtures containing vinyl aromatic hydrocarbons : en
  • DE687696C - Sectional radiator : de en
  • FR852464A - Device for measuring electrical levels : en fr
  • FR50277E - Process for preparing synthetic tanning substances : en fr
  • FR852432A - Lattice work, in particular for poles and pylons of overhead lines, composed of shaken or centrifuged concrete elements : en fr
  • GB517591A - Improvements relating to fire escape ladders : en
  • GB517368A - Improvements in and relating to the production of starch grits : en
  • US2188624A - Reamer attachment : en
  • US2188496A - Air conditioning means for rail cars : en
  • US2188434A - Method for adhering rubber to metal : en
  • US2188393A - Latch hinge construction : en
  • US2188505A - Cuff link : en
  • GB517430A - Means for operating electric gas-discharge lamps : en
  • CH208472A - Contact line arrangement for electric trains, especially trolleybus lines, in loops and curves. : de en
  • US2188409A - Wire line pipe cutter : en
  • SU56349A1 - Method of stabilizing vitamin C concentrates : en ru
  • US2188686A - Luffing crane : en
  • USRE21338E - Tea package : en
  • USD118763S - Design fob a jewelry component : en
  • FR852462A - Advanced drying facility : en fr
  • DE687515C - Arrangement for the elimination of low-frequency interference in a coil system with several coils that are essentially the same : de en
  • DE687427C - : de en
  • DK57207C - Internal combustion engine. : da en
  • US2188517A - Magnetic separator : en
  • USD118765S - Design fob a dress : en
  • US2188723A - Educational device : en
  • US2188690A - Film magazine : en
  • FR852486A - Device for determining machine speeds : en fr
  • US2188356A - Stress indicating washer : en
  • AU515138A - A process for producing carriers for medicinal substances : en
  • US2188718A - Protector pad and supporter : en
  • CH208406A - Elastic coupling for coupling of two shafts. : en it
  • DE687651C - Method and device for manufacturing hollow glassware, in particular glass bricks, consisting of individual parts : de en
  • FR50251E - Process for the refining of metals or alloys by oxidative reactions with solid slags : en fr
  • FR852313A - Characters, character carriers and the like for printing devices and method of manufacturing such articles : en fr
  • AU18339A - Improvements in or relating to superbeterodyne receivers suitable for receiving television signals : en
  • CA386580A - Mixed polyvinyl acetal resin : en fr
  • DE687414C - Drive for looms : de en
  • US2188302A - Means for stopping leaks in pipe lines : en
  • US2188365A - Grinding tool : en
  • DE687473C - Device for automatic control of the draft of a heating device : de en
  • AU109636B2 - Manufacture and application of new condensation products obtained from formaldehyde derivatives and from compounds ofthe thiourea series : en
  • CA386637A - Wired box part making machine : en fr
  • US2188847A - Apparatus for and method of treating sewage sludge and the like : en
  • AU24539A - Improvements in or relating to cathode ray tube television receivers : en
  • CH208464A - Electric road vehicle. : de en
  • US2188564A - Draft regulator for chimneys : en
  • US2188844A - Bedpan cushion : en
  • US2188383A - Controlling and sensory system : en
  • US2188744A - Menu course selector : en
  • USD118756S - Design fob a pin clip : en
  • CA386656A - Combined amplifying and rectifying system : en fr
  • US2188742A - Tool holder : en
  • DE687588C - Tape reel on a device for manufacturing mouthpiece filters : de en
  • FR50267E - Photographic slit shutter : en fr
  • GB517601A - Distortion correction in electric wave transmission : en
  • DE687658C - Device for filling and emptying the circuit of a flow transmission : de en
  • FR852418A - Drive device for periodically actuated switching or switching devices, in particular for current converters : en fr
  • US2188299A - Apparatus for developing films without a darkroom : en
  • US2188346A - Pulverizing and separating machine : en
  • US2188599A - Duplicating apparatus : en
  • US2188698A - Automobile jack : en
  • CA386634A - Acid component removal from hydrocarbon distillates : en fr
  • DE687359C - Bath and process for the electrolytic production of zinc coatings : de en
  • US2188473A - Feeding mechanism : en
  • US2188486A - Tunable coupling circuit arrangement for ultra-short waves : en
  • CA386558A - Milking apparatus valve : en fr
  • AU109651B2 - Improved truss for rupture : en
  • DE687415C - Control device for machine systems driven by several separately controlled motors, especially for rotary deep drilling systems : de en
  • US2188508A - Multiple distribution system : en
  • USD118701S - Design for a scale casing : en
  • AU23339A - Improvements relating to metallurgical process and apparatus : en
  • CH208437A - Electric incandescent lamp with a nitrogen gas filling. : de en
  • CH208358A - Device for the vertical storage of documents. : de en
  • AU323739A - Luminous zinc-beryllium silicates and method of producing same : en
  • DK57220C - Reinforcement element for welded Ships, Barges and other Vessels. : da en
  • US2188481A - Food composition : en
  • USD118711S - Design for a combination mail box : en
  • FR852344A - New advertising or light decoration system : en fr
  • CA386578A - Lamp bulb sealing-in machine : en fr
  • US2188781A - Freezing tray : en
  • US2188506A - Method of desiccating fluid mixtures : en
  • FR50273E - : fr
  • GB517564A - An improved packet, wrapper or container for braid, tape, cord, yarn or the like : en
  • DE687408C - Stretch for cotton and Like. And compression funnel for the route and drafting of flyers and fine spinning machines : de en
  • US2188460A - Blowlamp : en
  • CA386620A - Heater : en fr
  • US2188463A - Pump output regulator : en
  • DE687724C - Loading device for guns : de en
  • US2188850A - Valve : en
  • US2188862A - Locomotive valve gear bearing : en
  • US2188677A - Portable condition finder for invisible parts of automobiles : en
  • USD118806S - Design for a blouse or similar : en
  • US2188525A - Grave vault : en
  • FR50285E - : fr
  • GB517416A - Improvements in and relating to the photographic reproduction of coloured objects : en
  • US2188808A - Temperature control system : en
  • USD118741S - Design fob a match book : en
  • CH208373A - DC watt hour meter with iron in the main power field. : de en
  • CH208414A - Slot-controlled two-stroke internal combustion engine. : de en
  • US2188392A - Purification of organic substitution derivatives of cellulose : en
  • DE687662C - Device for forming the bottom square of cross-bottom bags : de en
  • USD118782S - Design fob an atomizer : en
  • CH208363A - Film copying process. : de en
  • US2188802A - Cap and dropper : en
  • US2188894A - Track structure : en
  • USD118738S - Design for a combined porch lamp : en
  • US2188314A - Pipe joint : en
  • US2188462A - Feeding mechanism : en
  • US2188635A - Switching mechanism : en
  • AU137139A - Improved method of manufacturing pipes or like hollow articles of concrete or like plastic cement-containing material : en
  • US2188594A - Crankshaft chuck : en
  • US2188638A - Conversion of hydrocarbons : en
  • US2188583A - Walking beam bearing and hanger : en
  • US2188849A - Computing dispensing device : en
  • US2188438A - Switching mechanism : en
  • US2188697A - Method of brightening the colors in the subtractive synthesis of color photography : en
  • US2188735A - Pressure cooker : en
  • US2188468A - Preservative composition and products derived therefrom : en
  • DE687715C - Permanent magnet system for small electrical machines : de en
  • GB517579A - Improvements in or relating to cathode ray tubes : en
  • DE687484C - Roof covering secured against air raids : de en
  • DE687468C - Device for keeping the speed of commutator motors constant with movable brushes : de en
  • GB517520A - Improvements in glands for steam heated vessels and the like : en
  • GB517577A - Improvements in or relating to electron beam valves : en
  • GB517610A - Improvements in or relating to supports for grill pans for cookers : en
  • CA386603A - Nitrous oxide production : en fr
  • US2188736A - Method of compounding latex and product thereof : en
  • US2188829A - Attachment for electrical frequency shifters : en
  • US2188309A - Toaster : en
  • AU109641B2 - Improvements in and relating to filing trays : en
  • CA386607A - Delivery case : en fr
  • US2188616A - Sickle holding and sharpening machine : en
  • AU109601B2 - Improvements in supporting and manipulating curtains andthe like : en
  • AU189239A - Improvements in or relating to process for applying cellulose derivative lacquers : en
  • US2188425A - Pump trap : en
  • US2188877A - Temperature control system : en
  • DE687480C - Serving and dining table for self-service : de en
  • US2188554A - Marine craft landing and launching device : en
  • US2188410A - Electron multiplier : en
  • US2188582A - Ski construction : en
  • US2188379A - Suction cleaner : en
  • CH208417A - Delivery device for gaseous or liquid media. : de en
  • US2188488A - Filter and the method of making the same : en
  • CH208478A - Bucket elevator for conveying grain and other loose bulk goods. : de en
  • US2188664A - Valve stem packing : en
  • CA386547A - Anti-freeze composition : en fr
  • CH208342A - Spat. : de en
  • US2188387A - Sheet material having crystalline effects : en
  • US2188593A - Shower bath appliance : en
  • US2188874A - Secondary delta 1-alkenyl malonic esters and process of producing same : en
  • US2188555A - Safety device for electrically controlled apparatus : en
  • US2188660A - Towel dispensing apparatus : en
  • SU56335A1 - A device for typing pencils and clip : en ru
  • US2188728A - Holder for buckets : en
  • US2188866A - Rubber transfer or decalcomania : en
  • AU109645B2 - Improvements in or relating to franking machines : en
  • US2188876A - Method of cooling internal combustion engine and cylinder head for same : en
  • GB517513A - A combined precision measuring tool : en
  • US2188865A - Furnace control system : en
  • US2188825A - Game board : en
  • USD118769S - Design for a dress : en
  • US2188407A - Machine for forming springs : en
  • US2188539A - Universal metal melting furnace : en
  • DE687585C - Whale bladder derinding machine : de en
  • CA386644A - Beer and ale packaging process : en fr
  • CH208307A - Window. : en fr
  • DE687653C - Device for adjusting the counter brake disc : de en
  • DE687538C - Coin-operated boxing device : de en
  • FR50294E - Watertight metal packaging and method and device for obtaining it : en fr
  • FR852355A - Device for mounting cathode ray tubes with protective resistor : en fr
  • GB517575A - Cable driving gear : en
  • US2188312A - Conversion of hydrocarbon oils : en
  • FR852307A - Method for producing stereoscopic and colored television images : en fr
  • GB517570A - Improvements in and relating to refractory blocks for the checker work of furnaces for industrial purposes : en
  • AU541339A - Improvements in syphonic Hushing valves : en
  • DE687703C - t a recording light source : de en
  • GB517539A - Improvements in apparatus for drying slurry : en
  • AU109624B2 - Improvements in vapour generators with vapour separating drums and furnace wall cooling tubes : en
  • AU109619B2 - Improvements in or relating to circuits for operating high-pressure mercury-vapour lamps : en
  • US2188457A - Valve mechanism for water closets : en
  • CA386636A - Railway car roof : en fr
  • AU35639A - Improved process and apparatus for making base assemblies for sealed glass envelopes : en
  • US2188439A - Process for the removal of foreign particles from gases : en
  • US2188670A - Hinge : en
  • CH208450A - Device for mechanical power transmission to machines and apparatus with changing power requirements, in particular to telegraph apparatus and office machines. : de en
  • DE687615C - Self-seller : de en
  • CA386602A - Nitrous oxide production : en fr
  • CA386641A - Wheel and axle assembly : en fr
  • DE687630C - Method of making oars : de en
  • CH208471A - Electrically controlled locking and opening devices for sliding doors, in particular sliding doors for vehicles. : de en
  • US2188870A - Process of preparing derivatives of the cyclopentanopolyhydrophenanthrene : en
  • US2188558A - Multiple pie plate holder : en
  • DE687387C - Process for the production of rubber-like polymers from 2-chlorobutadiene which do not harden on storage : de en
  • CH208408A - Hose clamp. : en fr
  • CH208429A - Arrangement for regulating or measuring technical-physical operating parameters. : de en
  • US2188716A - Apparatus for projecting granular material : en
  • CH208418A - Heat exchange device. : de en
  • FR852497A - Welding improvements : en fr
  • GB517393A - Improvements relating to switching devices for use in dial illuminating arrangements : en
  • DE687478C - Extending table : de en
  • DE687643C - Arrangement for keying radio beacons : de en
  • FR852470A - Fuel injection pump comprising several separate pumps arranged in concentric circles : en fr
  • CA386598A - Thin babbitt bearing : en fr
  • USD118725S - Design for a drink mixing cup : en
  • US2188842A - Hamburger shaping device : en
  • USD118807S - Design for a lady s undergarment : en
  • FR852352A - Cable drum : en fr
  • GB517403A - Mechanism for applying fastening devices to envelopes and the like : en
  • US2188361A - Apparatus for converting currents : en
  • GB517584A - Improvements relating to self-locking nuts and like internally screw-threaded members : en
  • US2188587A - Coupler : en
  • US2188820A - Photographic camera : en
  • GB517406A - Improvements in radiators suitable for use with internal-combustion engines : en
  • GB517484A - Improvements in and relating to electrical measuring instruments : en
  • GB517547A - Improvements in or relating to electric cells : en
  • DE687583C - Corrugated profile connection between the steering lever hub, slotted on one side, which can be clamped together, and the steering lever shaft of motor vehicles : de en
  • GB517568A - Improvements in catamenial appliances : en
  • GB517456A - Improvements in or relating to the manufacture of azo pigments : en
  • FR852322A - Low carbon nickel manufacturing : en fr
  • FR852415A - Process for regenerating synthetic gels serving as catalysts : en fr
  • GB517541A - Improvements in or relating to electrical resistances : en
  • CH208474A - Toothbrush. : de en
  • CA386606A - Railway interlocking system : en fr
  • CH208466A - Vehicle wheel and axle. : de en
  • USD118808S - Design fob a hat : en
  • CH208305A - Construction element made of concrete. : de en
  • DE687394C - Spinning top toy : de en
  • DE687438C - Schlaegermuehle : de en
  • GB517444A - Improvements in starting devices for internal combustion engines : en
  • FR852379A - Magnetic filter or separator : en fr
  • GB517374A - Process for the catalytic destructive hydrogenation of heavy oils or residues containing asphalt : en
  • GB517559A - Coloured photographic layers and process of manufacture thereof : en
  • FR852450A - Safety hook : en fr
  • FR852448A - Index file : en fr
  • FR852321A - Plane with eclipsable parts : en fr
  • FR50299E - Packaging material, in particular paper and method of making it : en fr
  • US2188451A - Signaling system for vehicles : en
  • USD118718S - Design for a lighting fixture globe : en
  • DE687678C - Collecting device of a die setting and line casting machine : de en
  • FR852481A - Device allowing the projection of artificial light without dazzling : en fr
  • GR8747B - MANNER OF MANUFACTURING ARTIFICIAL DRINKING CARBOHYDRATE, BEVERAGES AND THERAPEUTICS. : el en
  • USD118708S - Design fob a plate ob similar abticle : en
  • DE687605C - Circuit breaker with disconnection points connected in series : de en
  • DK57208C - Four-stroke internal combustion engine that works with heavy Oils as Fuel. : da en
  • DE687569C - Device for removing immersion bodies made of cellulose derivatives and similar film-forming substances from the immersion form : de en
  • FR852347A - Device for carrying an umbrella on the bicycle : en fr
  • DK57211C - Temperature regulator for steam-heated Milk heaters. : da en
  • GB517388A - Improvements relating to fountain pens : en
  • US2188814A - Thread winding mechanism : en
  • FR852423A - Improvements to toy planes : en fr
  • FR852428A - Enamelling process, in particular dry enamelling : en fr
  • GB517424A - Improvements in and relating to multilayer colour photographic processes : en
  • US2188569A - Method of treating metal wheels : en
  • USD118696S - Design fob a mail box : en
  • DE687386C - Board formwork for demountable wooden structures : de en
  • DE687616C - Double ignition with battery and magnet ignition that can be switched on alternately and double breaker : de en
  • DE687545C - Thermal measuring instrument for flammable gases : de en
  • GB517607A - Improvements in scanning devices : en
  • US2188317A - Noncarbonizing arc resistant material : en
  • US2188636A - Platinum alloy for contacting molten glass : en
  • GB517410A - A new or improved cooler for oil and other liquids : en
  • FR852331A - Device for clearing vehicle wheels : en fr
  • FR852406A - Attachment device for traction chains on tipping plows : en fr
  • FR852466A - Process for manufacturing casting parts, mainly shell castings, from aluminum-silicon alloys : en fr
  • GR8742B - AUTOMATIC INK. : el en
  • CH208341A - Openwork armpit insert for items of clothing. : de en
  • DE687657C - Gear for converting straight back and forth movements into rotary movements by means of a curve body : de en
  • GB517423A - Improvements in electrical measuring systems : en
  • GB517493A - Improvements in or relating to photographic cameras and interchangeable objectives therefor : en
  • SU56342A1 - Device for fastening the screws in the lifting taler lithographic printing machine : en ru
  • US2188752A - Fluid handling apparatus : en
  • US2188785A - Power-factor meter : en
  • FR852461A - Improvements to processes for treating cellulosic textile fibers or cellulosic textile materials and products obtained : en fr
  • FR852436A - Process for the production of building materials : en fr
  • CA386535A - Ball shaping and sizing apparatus : en fr
  • FR50289E - Angularly adjustable breaker plate ignition distributor : en fr
  • DE687406C - Projection device for lenticular films : de en
  • US2188366A - Spray apparatus : en
  • US2188607A - Method of making lateral extensions from pipe lines : en
  • US2188342A - Manufacture of vehicle floor mats : en
  • CH208370A - Night-time direction finding system. : de en
  • GB517533A - A combined washing and wringing machine : en
  • US2188566A - Air conditioning system for buildings : en
  • US2188647A - Cathode ray apparatus : en
  • AU37639A - Improved means for amplifying sounds produced on musical instruments : en
  • CA386572A - Hydrogen peroxide production : en fr
  • AU109646B2 - Ornamental glass product and method of manufacture thereof : en
  • CH208399A - Method for threading threads using a plunge-cut grinding wheel. : de en
  • FR50257E - Weft feeler for looms : en fr
  • USD118798S - Design fob a textile fabric ob sim : en
  • US2188630A - Internal combustion engine : en
  • SU56347A1 - Device for automatically cutting sheets from glass stretching tape on Fourcot machines : en ru
  • US2188576A - Harness for bedclothes : en
  • USD118719S - Design fob a sandal : en
  • CH208388A - Clock with a speed regulator controlled by a synchronous small motor. : de en
  • DE669588C - Construction drying oven : de en
  • FR852396A - New shaping for the modification of geometric shapes of metal parts : en fr
  • DK57223C - Firearm with sliding and replaceable cannon barrel. : da en
  • US2188853A - Piston rod testing apparatus : en
  • FR50286E - Container for collecting, transporting and storing freshly drawn milk : en fr
  • DE687410C - Clock with controlled regulator : de en
  • DK57218C - Windshield cleaner for Motor Vehicles. : da en
  • CA386529A - Submerged combustion apparatus : en fr
  • CA386583A - Lantern slide frame latch : en fr
  • USRE21339E - Heat exchange apparatus : en
  • DE687683C - Circuit arrangement in telephone systems with main and sub-exchanges : de en
  • US2188368A - Internal combustion engine : en
  • FR852327A - Friction clutch : en fr
  • GB517432A - Improvements in and relating to diesel engines : en
  • DE687474C - Powder base : de en
  • DE687524C - Connecting rod for internal combustion engines : de en
  • US2188562A - Actuating mechanism for a plumbing fixture : en
  • US2188620A - Fastener : en
  • US2188479A - Dispenser : en
  • FR852340A - Process for the production of steel with a thomas basic converter : en fr
  • FR852304A - Improvements to the time bases used to control cathode ray oscillographs : en fr
  • FR852394A - Advanced crankshaft training : en fr
  • GB517488A - Improvements in and relating to two-stroke internal combustion engines having twin cylinders with common combustion chambers : en
  • CA386625A - Pure titanium dioxide : en fr
  • CA386546A - Snow excavator : en fr
  • CA386561A - Coasting sled : en fr
  • US2188454A - Ornamental sheet metal shingle for roofs and walls : en
  • FR852491A - Sheet metal shears with trimmer device : en fr
  • FR50268E - Process for preparing tanning substances : en fr
  • SU56448A1 - The method of obtaining rubber from rubber : en ru
  • GB517587A - Improvements in or relating to gyroscopic instruments : en
  • US2188693A - Manufacture of silicon carbide resistors : en
  • USD118796S - Design fob a textile fabric or sim : en
  • FR852317A - Cereal pretreatment process : en fr
  • GB517524A - Improvements relating to fluid-blast electrical circuit interrupters : en
  • DE687554C - Suspension device for pipes, cables, lights, etc. in the mine : de en
  • DE687600C - Pull-through furnace, especially tower furnace with heat exchange : de en
  • GB517412A - Improvements in or relating to disinfecting, sterilizing, perfuming and like devices : en
  • CH208344A - Device for shaking a good. : de en
  • FR852479A - Improvements to electric regulators : en fr
  • GB517398A - Production of ester derivatives of dextran : en
  • FR852438A - Control for paddle wheeled ship thrusters : en fr
  • DE687629C - Contact connection to metallized surfaces of electrical switching elements, e.g. B. capacitors, resistors : de en
  • DE687633C - Piston press operated by water pressure for laundry with perforated cylinder insert : de en
  • DE687672C - Fuse, in particular high-voltage fuse : de en
  • USD118785S - Design for a dress : en
  • US2188503A - Pump device : en
  • DE687450C - Padlock with folding bracket : de en
  • GB517503A - Improvements in or relating to lens systems : en
  • DE687614C - Device for controlling the running time of a self-collecting device : de en
  • DK57199C - Artificially cooled High pressure mercury vapor discharge tubes and Procedure for its manufacture. : da en
  • DE687424C - Plate rectifier with ventilation : de en
  • DE687694C - Crank attachment for household machines : de en
  • GB517434A - Manufacture of nitrogenous anthraquinone derivatives : en
  • US2188577A - Oil burner : en
  • GB517596A - Improvements in or relating to medicinal air pumps : en
  • DE686830C - Double centrifugal pump with rectified impellers : de en
  • DE687638C - Microphone device with rollable connection cable between microphone and pre-amplifier : de en
  • CA386549A - Elevator bucket : en fr
  • CA386658A - Railway car truck : en fr
  • USD118751S - Design fob a coat : en
  • CA386574A - Graphitized carbon black : en fr
  • US2188382A - Controlling and sensory system and method : en
  • US2188657A - Film fire quenching and minimizing apparatus : en
  • FR852359A - : fr
  • DE687711C - : de en
  • US2188633A - Punch or tool holding apparatus : en
  • US2188700A - Process for filling containers : en
  • DE687591C - Fluid-cooled connection head for radiators to generate high temperatures : de en
  • CA386592A - Reinforced denture : en fr
  • FR50293E - Improvements in electromagnetic machines and devices and their manufacturing processes : en fr
  • DE687695C - Device for attaching kitchen and other machines and devices to kitchen tables, workbenches and walls : de en
  • FR852399A - Pneumatic control of threads on bobbin-changing loom : en fr
  • GB517466A - An improved metal feeding device for melting pots : en
  • US2188708A - Food cabinet : en
  • US2188759A - Box covering machine : en
  • US2188761A - Device for controlling the flow of liquids : en
  • DE687504C - Device for actuation of relays connected to insulating rails, especially for overhead warning systems with constant warning time : de en
  • DE687542C - Bright carbon resistance : de en
  • DE687639C - Anode power saving circuit for an amplifier tube : de en
  • US2188448A - Fabricated metal structure : en
  • CA386551A - Hollow concrete slab : en fr
  • CH208345A - Mouthpiece on cigars and cigarettes and its manufacturing process. : de en
  • CH208419A - Electrodynamic vibratory drive for work machines, such as sieves. : de en
  • US2188443A - Swivel button : en
  • US2188738A - Curtain rod : en
  • CH208458A - Process for the production of metal tubes and tube produced by the process. : de en
  • US2188711A - Roll film camera with exposure meter : en
  • US2188369A - Anthraquinone compound and process for coloring therewith : en
  • US2188531A - Separation of mixtures of hydrocarbons : en
  • US2188747A - Portable booth : en
  • USD118734S - Design for an arm for lamp fixtures : en
  • US2188721A - Method of laminating : en
  • US2188856A - Oil or dust flinger for bearings : en
  • CA386626A - Moving stairway : en fr
  • US2188450A - Device for clamping together pieces of sheet material to facilitate riveting and the like operations : en
  • US2188464A - Circulating means for rolling stock : en
  • CA386562A - Branding iron : en fr
  • AU313339A - Improvements inthe process forthe manufacture of aluminium : en
  • CA386543A - Loose leaf binder : en fr
  • CH208431A - Fuse cartridge. : de en
  • AU185939A - Improvements inthe sealing of metal strips through quartz or like vitreous material : en
  • CA386655A - Combined amplifying and rectifying system : en fr
  • US2188580A - Cathode ray deflecting circuit : en
  • BE437468A - : en fr
  • AU114594B2 - Improvements in and relating tothe construction and assembly of inter'fitting machine and like parts : en
  • CA386616A - Radio high frequency tuner : en fr
  • US2188321A - Production of acid for sulphite pulping process : en
  • CA386540A - Dough raising cabinet : en fr
  • DE675459C - Construction drying oven : de en
  • DE687433C - Process for the fragmentation of sulphidic ores : de en
  • US2188778A - Production of polymerization products of vinyl ethers : en
  • DK57216C - Procedure for the manufacture of gas masks. : da en
  • AU255939A - Improvements in supporting and manipulating curtains andthe like : en
  • CH208422A - Generators for bicycle lights, flashlights and the like. : de en
  • DE686752C - Process for the metallization of iron strips or wires : de en
  • FR852489A - Telegraph device with grouped transmitter and receiver : en fr
  • US2188691A - Cheek rest for firearms : en
  • DE687440C - Drive for circulating feed means on sewing machines : de en
  • DE687483C - Ceiling to be produced in dry construction from beams and cover plates : de en
  • DE687544C - Device for cleaning the melting channels of induction furnaces : de en
  • USD118693S - Design for a pull for a slide : en
  • CH208412A - Hydraulic machine. : de en
  • AU398639A - Improvements in and connected with hooks, shackles, andthe like : en
  • AU72439A - Improvements relating to traffic signals : en
  • US2188341A - Process for the manufacture of abrasive articles : en
  • CA386577A - Enclosed arc lamp : en fr
  • CH208430A - Device for regulating technical-physical quantities. : de en
  • USD118724S - Design for a motorized hand tool : en
  • AU507238A - Improvements in electric circuits adapted to operate electric discharge devices : en
  • CA386630A - Radio noise suppression circuit : en fr
  • DE687692C - Electric immersion heater : de en
  • US2188676A - Apparatus for dispensing measured charges of fluent material : en
  • USD118694S - Design for a game board : en
  • CA386594A - Fibrous material digester : en fr
  • DE687486C - Process for the production of shatterproof laminated glass : de en
  • CA386635A - Water softener : en fr
  • CA386652A - Fabric marking device : en fr
  • CH208371A - Device for an electrical circuit controlling temperature regulators, in particular diving regulators. : de en
  • CH208449A - Graduated tariff apparatus with a gear arrangement that can be changed automatically depending on the level of consumption, in particular electricity meter for graduated tariffs. : de en
  • FR852453A - Improved stabilized polymer product : en fr
  • CA386582A - Dye : en fr
  • CA386590A - 2-p-dioxanone : en fr
  • CH208347A - Method and apparatus for treating objects with a volatile organic solvent using mechanical conveying means. : de en
  • US2188495A - Method for the production of terpene derivatives : en
  • USD118791S - Design fob a dress : en
  • CA386627A - Radiation heater : en fr
  • IE15986L - Tempering glass : en
  • US2188822A - Push bench drive : en
  • CA386648A - Spring cushion : en fr
  • DE687464C - by means of elastic tendons between the nut and the workpiece : de en
  • USD118706S - Design for a plate or similar article : en
  • US2188395A - Laminated safety glass : en
  • US2188681A - Corrosion resistant copper-zinc alloy : en
  • AU109595B2 - An improved rotary pump : en
  • CH208333A - Method and device for the production of a warpable fiber sliver made of viscose wool that can be spun directly without a subsequent combing process. : de en
  • US2188453A - Brake : en
  • US2188838A - Lifting jack : en
  • US2188526A - Automatically humidified and ventilated refrigerator : en
  • US2188757A - Combined broiler and griddle : en
  • US2188762A - Pocketknife : en
  • AU112481B2 - Luminous zinc-beryllium silicates and method of producing same : en
  • DE687707C - Windows for vehicles, in particular automobiles : de en
  • FR852400A - Straight line knitting loom : en fr
  • US2188596A - Removable bushing : en
  • US2188641A - Spring plankless truck : en
  • USD118735S - Design for a cigarette holder : en
  • DE687609C - Process for the production of a stocking with foot and heel in the French style on the flat weft knitting machine : de en
  • US2188402A - Bottle filler : en
  • SU56336A1 - Device for demonstrating the law of motion of the center of inertia : en ru
  • US2188303A - Refrigeration test method : en
  • US2188567A - Positive stop abrading tool : en
  • US2188821A - Compass : en
  • DE687708C - Self-loading weapon : de en
  • DE687717C - Device for generating very high DC voltages : de en
  • DE687568C - Device for achieving slow ignition of the gas in gas-heated liquid heaters : de en
  • DE687537C - Safety device for mechanical timer : de en
  • FR852401A - Dressing and device to stop bleeding : en fr
  • FR50280E - : fr
  • FR852421A - Pin fuse : en fr
  • FR852444A - Current collector for accumulator charging : en fr
  • GB517397A - Production of dextran ethers : en
  • GB517558A - Improvements in or relating to driving mechanisms for gramophones : en
  • GB517581A - Improvements in or relating to inductances : en
  • US2188603A - Overshoe : en
  • DE687628C - Quartz-containing, thermally conductive compound as a filler for electrical machines and apparatus : de en
  • DE687621C - Cushions for mattresses, sofas and other furniture : de en
  • DE687697C - Method for determining the resistance of the top layer of elastic material, e.g. B. metal, existing workpieces against elastic deformation : de en
  • FR852334A - Improvements to papermaking machines : en fr
  • FR852412A - Device for determining the distance of air vehicles from the ground surface : en fr
  • FR852342A - Apparatus for the instant preparation of frozen edible products such as creams or the like : en fr
  • GB517440A - Improvements relating to the separation by distillation of components of a mixture of hydrocarbons : en
  • DE687676C - Process for improving brown coal briquettes : de en
  • FR852364A - Improvements to notebooks, agendas, calendars and the like : en fr
  • FR852495A - Process for the preparation of products for initiating explosive charges for exploded rivets : en fr
  • DK57219C - Fast-moving surface vessel. : da en
  • AU37039A - Improvements in vapour generators with vapour separating drums and furnace wall cooling tubes : en
  • DE687490C - to give : de en
  • FR852311A - Molding for frames : en fr
  • GB517465A - Improvements in axles for motor road vehicles : en
  • FR852332A - Shed for bicycles, motorcycles, automobiles and similar vehicles : en fr
  • US2188350A - Refrigerating apparatus : en
  • GB517544A - Improvements in or relating to operating mechanisms for controllers for refrigerators : en
  • GB517560A - Improvements in letter cards : en
  • US2188436A - Alternating current rectifying circuit : en
  • DE687529C - Process for the production of iron powder : de en
  • GB517461A - Improvements in or relating to sewing and mechanism adapted for use in sewing machines : en
  • GB517409A - Improvements in apparatus for melting soft metals : en
  • DE687354C - Protective device for electrical equipment that responds to oil flow : de en
  • GB517600A - Improvements in rotary heat-exchangers suitable for heating air by furnace gases : en
  • DK57198C - High voltage switch. : da en
  • CA386581A - Dye : en fr
  • GB517480A - Photographic layers and process of manufacture thereof : en
  • US2188573A - Dispensing : en
  • US2188798A - Apparatus for conditioning sand and like materials : en
  • FR50265E - Automatic washing machine : en fr
  • BE437381A - : en fr
  • GR8744B - CIGARETTE LIGHTER. : el en
  • US2188739A - Garage and vehicle toy : en
  • US2188304A - Sanitary toothpick dispenser : en
  • DE687407C - Two-part housing for baskets : de en
  • DE687612C - he for liquid or gaseous fuels : de en
  • DE687547C - Crankshaft with counterweights : de en
  • DE687602C - Telephone number switch with auxiliary contacts to block certain connections : de en
  • US2188852A - Floor rack for refrigerator cars : en
  • US2188730A - Expansion envelope : en
  • US2188305A - Ore reducing and digesting process : en
  • USD118789S - Design for a dress : en
  • CH208355A - Matrix for the manufacture of screens by electrolytic deposition and method of manufacturing this matrix. : en fr
  • DE687601C - end : de en
  • GB517399A - Improvements in or relating to vaporizers for internal combustion engines : en
  • GB517527A - Improvements in gas meters : en
  • USD118797S - Design for a textile fabric or sim : en
  • GB517553A - Preventing smoke emission during the charging of carbonising retorts or chambers : en
  • GB517519A - Improvements in hydromechanical power transmission means for vehicles : en
  • FR50254E - Device for supplying an engine with a gasifier, applicable to explosion engines designed for liquid fuels : en fr
  • FR50264E - Application to semi-rigid or rigid material tray bras to straighten the breasts : en fr
  • DE687403C - Cable system for the distribution of electrical energy using multi-core aluminum cables : de en
  • DE687492C - : de en
  • GB517408A - Improvements in the cooling water systems of internal combustion engines for aeroplanes : en
  • DE687441C - Three-roll suction press for paper machines : de en
  • DE687444C - Flat-gauge off-road vehicle : de en
  • DE687470C - Thermal overcurrent switch : de en
  • DE687493C - Film switching device for roll film cameras : de en
  • DE687607C - en : de en
  • US2188743A - Milling cutter : en
  • US2188809A - Vacuum cleaner : en
  • GB517550A - Method of and apparatus for obtaining protracted intimate contact between two non-miscible fluids of different densities : en
  • CH208367A - Device for measuring small lengths or Changes in length. : de en
  • CA386544A - Lip stencil : en fr
  • CH208374A - Permanent brake magnet. : de en
  • US2188845A - Means for testing the electrical ignition systems of internal combustion engines : en
  • CH208339A - Suction and blower apparatus, in particular for industrial cleaning. : de en
  • US2188300A - Ventilating shutter on venetian blinds : en
  • CA386597A - Bottle capping apparatus : en fr
  • AU109608B2 - Improvements in or relating to cathode ray tube television receivers : en
  • CH208350A - Process for the preparation of a reaction product of chlorosulfonic acid. : de en
  • US2188646A - Pump assembly : en
  • US2188831A - Dual crank and connecting rod assembly : en
  • CH208432A - Fuse with remote control. : de en
  • US2188333A - Latch, safety catch, and lifting mechanism for lid type automobile hoods : en
  • US2188731A - Traffic control system : en
  • CH208325A - Coffee machine. : de en
  • US2188537A - Di-benzanthrone-anthraquinone-di-acridines : en
  • US2188592A - Invalid bed : en
  • CH208425A - Electrical and mechanical junction device for conductors. : en it
  • CA386575A - Electric discharge device : en fr
  • US2188343A - One-hand paddle : en
  • US2188545A - Trailer : en
  • US2188595A - Mounting for power tool : en
  • US2188754A - Means for indicating defects in threads : en
  • US2188344A - Polyvinyl acetal resins and a process for the preparation thereof : en
  • US2188358A - Wire fabric machine : en
  • CA386556A - Synthetic resin : en fr
  • DE687405C - Device for objective color measurement using photocells : de en
  • DK57217C - Motor vehicle, in particular Rear motor vehicle. : da en
  • GB517481A - Means for preserving the shape of men's collars and for retaining the necktie in position : en
  • FR50296E - Apparatus for drawing lotteries and similar operations : en fr
  • GB517605A - Improvements in screens of material adapted to be excited to luminescence by the incidence of charged particles : en
  • US2188626A - Burial vault : en
  • FR852420A - Installation circuit breaker with magnetic, thermal and free tripping : en fr
  • GB517446A - Means for use in recording the speed and acceleration or speed and retardation or acceleration or retardation of moving bodies : en
  • AU46339A - Improvements in method of and apparatus for continuously and automatically separating the solid constituents fromthe liquid constituents ofa cyanided ore pulp, and for separating the precipitates from cyanide solutions : en
  • US2188400A - Liner clamp for panel form walls : en
  • DK57200C - Method and Machine for Electrical Welding of Plate Radiator Elements. : da en
  • US2188406A - Machine for forming springs : en
  • US2188675A - Grinding machine : en
  • GB517379A - Improvements in and relating to the production of bases for lacquers, plastics and like materials and the products produced therefrom : en
  • US2188347A - Means for maintaining manifold forms in registration : en
  • US2188608A - Kiln : en
  • US2188827A - Saw machine base : en
  • US2188884A - Coating composition and method : en
  • US2188418A - Apparatus for making bars of ice cream or the like : en
  • US2188796A - Protecting stick : en
  • GB517521A - Improvements in apparatus for coupling and releasing gas lamps from their supply pipes when in inaccessible positions : en
  • US2188510A - Motion transmitting means : en
  • US2188734A - Selective herbicide : en
  • FR852335A - Bottle, inkwell or container lying down : en fr
  • GB517475A - Preparation of improved colouring matters : en
  • US2188431A - Air and other separator : en
  • US2188749A - Locomotive : en
  • USD118755S - Design for a storage battery box : en
  • DE687514C - Method and device for generating block ice in the storage room by means of natural cold : de en
  • FR852456A - Recording device for distance measurement using the echo sounding method : en fr
  • GB517382A - Manufacture of iodinated esters : en
  • US2188786A - Mine car wheel : en
  • US2188521A - Hand brake mechanism : en
  • US2188578A - Luggage cart : en
  • FR852469A - Process for refreshing amalgamated areas in order to maintain the inability of the boards to receive ink : en fr
  • US2188619A - Electrical race track : en
  • US2188745A - Oil filter : en
  • USPP356P - Gladiolus : en
  • AU109592B2 - Improvements in or relating to superbeterodyne receivers suitable for receiving television signals : en
  • DK57214C - Procedure for Making and Reproducing a Photographic Sound Record. : da en
  • DE687543C - Rotating machine part with a rectifier-like discharge vessel : de en
  • USD118727S - Design fob a pitcher : en
  • FR852484A - Process for producing secondary dis-azo dyes to mordant, giving blue undertones : en fr
  • US2188574A - Refrigerated liquid dispenser : en
  • US2188666A - Gyratory crusher : en
  • GB517572A - Improvements in or relating to electro-magnetic switches or the like : en
  • BE436528A - : en
  • CA386599A - Conical paper cup : en fr
  • AU109607B2 - Improvements in or relating to indicator correcting arrangements for use in radio direction finding and other apparatus : en
  • US2188516A - Apparatus for magnetic separation : en
  • CH208445A - Process for the preparation of hexylresorcinol monosulfonic acid. : de en
  • DE687604C - Button arrangement for high frequency transmitter : de en
  • US2188706A - Cover support : en
  • US2188851A - Refrigerator car floor rack : en
  • US2188319A - Adsorbate and method of making the same : en
  • US2188442A - Apparatus for conditioning yarn and other strand materials : en
  • DE687423C - High pressure electric discharge tubes for lighting and radiation purposes : de en
  • DE687434C - Copper-cobalt-iron alloy : de en
  • FR852459A - Improvements to devices for controlling the flow of a liquid : en fr
  • GB517517A - Improved method of and apparatus for storing and transporting molten materials : en
  • DE687445C - : de en
  • DE687640C - Dialer arrangement for fully and semi-automatic telephone systems : de en
  • DE687617C - Device for switching on and off an internal combustion engine provided as a power source for a power consumer : de en
  • DE687637C - Sprinkler cooler for all kinds of fluids : de en
  • FR50258E - Thermal box for stoves of all kinds : en fr
  • DE687650C - Protective screen for nose and mouth : de en
  • SU56414A1 - The method of preparation of layered plastics : en ru
  • CA386612A - Fibrous material for fluid contacts : en fr
  • US2188456A - Apparatus for grooving rubber applicator rolls : en
  • US2188529A - Artificial tree : en
  • US2188673A - Filter for filtering liquids : en
  • AU109638B2 - Improvements relating to metallurgical process and apparatus : en
  • CA386537A - Cellulose manufacture : en fr
  • CH208368A - Radio directional device. : de en fr
  • US2188750A - Method and device for wrapping packages : en
  • US2188840A - Horizontal rotary filter : en
  • US2188880A - Tray for the germination of seeds : en
  • CH208416A - Apparatus for the production of pure steam, using the calories of other steam containing foreign substances. : en it
  • CH208426A - Train lighting device. : de en
  • CA386542A - Garden tool : en fr
  • USD118788S - Design fob a dress : en
  • US2188472A - Hydrometallurgical process : en
  • DE687467C - High-frequency marine cables with air-space-insulated concentric lines or shielded twisted double or star-quad lines and vacuum amplifier tubes switched on at intervals and housed in watertight and pressure-tight containers : de en
  • GB517443A - Improvements in and relating to the construction of mortarless refractory brickwork : en
  • GB517590A - Improvements in or relating to forced flow steam or other vapour generators : en
  • US2188667A - Resistor and method of making the same : en
  • GB517472A - Cinematographic apparatus : en
  • CA386646A - Para-phenanthrolin manufacture : en fr
  • CH208387A - Timer. : de en
  • US2188352A - Container opener : en
  • US2188648A - Caster : en
  • DE687627C - DC generator with falling voltage characteristics, for example for ship propulsion : de en
  • US2188444A - Combined internal combustion engine and cooling system : en
  • US2188550A - Baking pan set construction : en
  • USD118709S - Design for a paper box opener or : en
  • US2188793A - Heat-treating device : en
  • DE687418C - Receiver with shrinkage control acting forwards and backwards in the high-frequency section : de en
  • CA386638A - Picture projector : en fr
  • USRE21336E - Toasting machine : en
  • CH208439A - Electric light bulb with a 4 atm. excess operating pressure. : de en
  • US2188334A - Latch, safety catch, and lifting mechanism for lid type automobile hoods : en
  • USD118712S - Design for a support for spectacle : en
  • AU109642B2 - Improvements relating to traffic signals : en
  • CH208463A - Chassis with rigid wheel axle. : de en
  • US2188421A - Pillow : en
  • USD118764S - Design for a dress : en
  • US2188385A - Typewriting machine key : en
  • CA386532A - Distilled beverage processing : en fr
  • DE687625C - Warning signal system, especially for railroad crossings, with power supply and battery and a switching warning lamp during the night : de en
  • US2188345A - Air or other current separator : en
  • US2188533A - Process of making felt : en
  • DE687649C - Device for lighting solid fuels in furnaces : de en
  • CA386579A - Air conditioning system : en fr
  • CH208397A - Equipment for the hardening of profiled parts of great length. : en fr
  • US2188331A - Paper carrier sheet for tacky rubber, and process of making same : en
  • US2188882A - Condensation product and method : en
  • USD118767S - Design fob a dress : en
  • AU46939A - Device for holding lambs during branding, tailing, &c : en
  • US2188441A - Air valve : en
  • AU73239A - Improvements in windmills : en
  • DE687673C - Hiking pillars for quarrying : de en
  • FR852490A - Adjustment device for electric generators of vehicles, in particular of automobiles : en fr
  • US2188581A - Cathode ray tube : en
  • USD118772S - Design for a dress : en
  • US2188867A - Synthetic rubber ink : en
  • DK57224C - Tank system for storage of volatile liquids. : da en
  • DE687635C - Process for the production of high-pressure forms from synthetic resin by stamping : de en
  • FR852360A - Method for producing multi-color images intended to be viewed in reflected light and multi-color images intended to be viewed through transparency : en fr
  • GB517507A - Improvements in and relating to radiators for internal combustion engines : en
  • DE687479C - Extending table : de en
  • USD118745S - Design for an automobile direction : en
  • FR852440A - Cover plate forming insulation : en fr
  • DE687491C - Display device for defects in paper or fabric webs : de en
  • FR852315A - Weapon with magazine containing several charges : en fr
  • FR50288E - Improvements to textile materials : en fr
  • US2188542A - Thermostatic control apparatus : en
  • AU109594B2 - Improvements in or relating to modulated carrier wave transmitters : en
  • FR50284E - Ship porthole with pivoting and oscillating window holder : en fr
  • GB517504A - Improvements in or relating to lens systems : en
  • CA386557A - Concrete wall : en fr
  • DE687505C - Chimney for locomotive shed : de en
  • USD118776S - Design for a dress : en
  • US2188811A - Air conditioning plant : en
  • US2188797A - Light device : en
  • DE687025C - Clamping device for gripping the ends of conveyor belts when they are pulled together : de en
  • US2188513A - Spectacle mounting : en
  • US2188489A - Chocolate coating and process of making same : en
  • US2188658A - Signal-translating system : en
  • CA386651A - Concrete slab joint : en fr
  • FR852451A - Method and arrangement of relaxers to produce sawtooth currents : en fr
  • USD118805S - Design for an embroidered textile : en
  • US2188712A - Tobacco pipe : en
  • US2188709A - Adjustable chimney cowl : en
  • FR852353A - Preparation of new products of the genre of quinoxaline, azo dyes derived from it : en fr
  • DE687428C - Process for heating regenerative flame ovens with coke oven gas or similar gases containing hydrocarbons : de en
  • US2188320A - Process for the manufacture of leuco sulphuric acid esters of alkyl ethers of bz-2, bz-2'-dihydroxydibenzanthrone : en
  • US2188363A - Treatment of hydrocarbons : en
  • US2188399A - Electric resistance element : en
  • US2188476A - Refrigeration : en
  • US2188627A - Powder dispenser : en
  • US2188715A - Wire stringing block : en
  • FR852388A - Parachute training : en fr
  • GB517486A - Improvements in or relating to instruments for measuring the peak value of electrical impulses : en
  • GB517490A - Bi-focal lenses : en
  • DE687592C - Safety device for electrically heated baths : de en
  • CH208444A - Method for preparing smallpox vaccine. : en fr
  • US2188598A - Duplicating apparatus : en
  • US2188703A - Latch and lock mechanism for lockers, etc. : en
  • US2188837A - Molding and wrapping apparatus : en
  • USD118766S - Design for a dress : en
  • DE687535C - those for motor vehicles : de en
  • FR852473A - Protective cover for fragile containers : en fr
  • DE687701C - Feeding device for material webs made of paper or the like on tube winding machines or the like. : de en
  • DE679880C - Procedure for laying self-damping overhead lines : de en
  • GB517391A - New and improved thermostatic regulator : en
  • CH208375A - Calculating machine for list entry. : de en
  • US2188377A - Apparatus for dispensing photographic ribbon film : en
  • US2188606A - Gyroscopic apparatus for determining the inclination of an airplane : en
  • US2188881A - Production of the male sexual hormone : en
  • US2188324A - Making sulphuric acid : en
  • US2188367A - Key ring construction : en
  • US2188509A - Escalator cover : en
  • US2188653A - Electronic oscillation generator : en
  • USD118740S - Design for a sewer cleaning : en
  • CH208379A - Method for stereophonic recording of sound vibrations and device for carrying out the method. : de en
  • DE687482C - Control device for one or more elevators : de en
  • DK57202C - Cans box with device for heating the contents of the box. : da en
  • US2188534A - Loop fastener : en
  • AU184039A - Improvements in or relating to gravity separation of ores : en
  • DE687654C - Ventilation or vapor extraction device for installation in wall openings : de en
  • FR852365A - : fr
  • DE687495C - Arrangement of the individual images in multi-image bitmap images : de en
  • FR852326A - Fuel deaerator : en fr
  • GB517582A - Manufacture of sulphurised dihydro-polycyclic aromatic hydrocarbons and lubricating compositions containing the same : en
  • GR8736B - AUTOMATIC EXTRACTION SYSTEM FOR THE DETECTION DEVICE OF WAR AND TOXIC GAS IN GENERAL. : el en
  • FR852488A - Sliding window : en fr
  • DE678104C - Circuit arrangement for generating two complementary characters, in particular for the purpose of guide beam formation : de en
  • CH208459A - Prismatic cardboard container. : de en
  • US2188329A - Gummed tape manufacture : en
  • SU56334A1 - Machine for measuring skin area : en ru
  • DE687690C - ordered electrodes : de en
  • FR50270E - Vacuum fall protection device : en fr
  • USD118760S - Design for a textile fabric ob similar : en
  • GB517451A - Improvements in and relating to the production and use of accelerators for rubber vulcanisation : en
  • CA386631A - Radio selectivity control circuit : en fr
  • FR852430A - Process for preparing opacified enamels using gases, in particular powder enamels : en fr
  • US2188655A - Loudspeaker and the like : en
  • CA386531A - Aromatic hydrocarbon condensation product : en fr
  • DE687448C - Can closure : de en
  • GB517489A - Improvements in or relating to couplings for liquid fuel burners : en
  • CA386645A - Thyroxin preparing process : en fr
  • AU385239A - Improvements relating tothe dyeing and finishing of textile materials : en
  • FR50272E - Eyeshadow excipient : en fr
  • GB517565A - Improvements relating to bearings for pulleys and like rotatable bodies : en
  • GB517405A - Improvements in and relating to electric arc welding : en
  • CH208409A - Device for connecting at least one removable pipe to its pipe. : en fr
  • CH208421A - Manufacturing process of low power electro-motors and dynamos. : en fr
  • US2188788A - Die : en
  • AU109639B2 - Improvements relating to metallurgical process and apparatus : en
  • AU109623B2 - Improvements inthe manufacture of foundry molds : en
  • US2188741A - Power-operated ventilator : en
  • USD118739S - Sol holstfin : en
  • USD118759S - Design fob a pin cup : en
  • US2188805A - Snow plow : en
  • DE687553C - : de en
  • CH208327A - Adjustable seat and deck chair with a handlebar guide. : de en
  • CH208329A - Reversible table. : en fr
  • CH208328A - Reading table. : en fr
  • CH208377A - Process for influencing the volume range when playing back sound recordings and equipment for carrying out this process. : de en
  • DE687517C - Voltage divider with step-by-step sampling or removal of partial voltages by means of a grinder : de en
  • US2188565A - Fuel burner control system : en
  • CH208340A - Method for stiffening objects made of pliable fabrics, in particular for improving the wearing time and the appearance of items of clothing. : de en
  • DE687560C - Runner for electrical machines with permanent magnet : de en
  • GB517563A - An improved instrument for indicating the attitude and behaviour of aircraft in flight : en
  • CA386595A - Aircraft sustaining rotor : en fr
  • CH208354A - Process for the separation of hydrocarbons from hydrocarbon oils. : de en
  • DE687454C - Steam chiller : de en
  • DE687439C - Method for producing an elastic retaining edge for items of clothing and items of clothing according to the method : de en
  • CA386534A - Waist belt and band : en fr
  • DE687453C - Conductor's tongs : de en
  • DE687648C - Gas generating plant for vehicles : de en
  • FR852405A - Improvements in electrical material isolation processes : en fr
  • AU109598B2 - Improvements in method of and apparatus for continuously and automatically separating the solid constituents fromthe liquid constituents ofa cyanided ore pulp, and for separating the precipitates from cyanide solutions : en
  • CH208398A - Process for the production of a material with high initial permeability and low change in permeability in the area of weakly magnetizing fields. : de en
  • SU56321A1 - Flotation machine : en ru
  • US2188601A - Changing surface ornamentations on furs : en
  • DE687442C - Crockery for draft animals : de en
  • DE687519C - Circuit for protection against impermissible contact voltages in low-voltage systems : de en
  • DE687675C - Process for dyeing fiber materials consisting of synthetic casein wool alone or in a mixture with wool with chromium developing dyes : de en
  • GB517546A - Improvements in laminated springs : en
  • DE687664C - Fastening of propeller blades in undivided metal hub shells : de en
  • GB517369A - Method of and apparatus for abstracting fibrous material from fibre-bearing plants : en
  • GB592118A - Improvements in gun-turrets for aircraft : en
  • DE687571C - arbitrarily designed workpieces : de en
  • DE687469C - Control device for electromotive drives of trolleys : de en
  • FR852443A - Fluid brake : en fr
  • US2188642A - Automatic latch with push-button release : en
  • US2188692A - Combined container and ashtray : en
  • FR852369A - Process for preparing sulfur : en fr
  • GB517394A - Improvements in electric measuring systems for indicating interval ratios : en
  • GB517482A - Improvements in or relating to electron discharge devices for television and like systems : en
  • CH208410A - Lifting magnet with permanent magnet excitation. : de en
  • FR852454A - Process for treating mineral oils using solvents : en fr
  • FR852374A - Aircraft defense apparatus : en fr
  • US2188429A - Doll : en
  • US2188435A - Disking device : en
  • CH208424A - High voltage cable with sleeve insulated with impregnated paper. : de en
  • US2188322A - Nitrocellulose composition of reduced inflammability : en
  • US2188405A - Molybdenum alloys : en
  • FR852471A - Electric forklift with non-explosive motor : en fr
  • FR852414A - Machine for the continuous production of a smoothed and polished glass strip : en fr
  • GB517494A - Improvements in or relating to twin lens and reflex type photographic cameras : en
  • DE687494C - Box cinema : de en
  • DE687563C - Process for the production of durable solutions of calcium salts : de en
  • US2188482A - Reciprocating mechanism : en
  • US2188522A - Ensilage cutter : en
  • DE687595C - Fabrics : de en
  • DE687459C - Device for the implementation of mold fermentation on liquid sewage soil : de en
  • FR852362A - Device that attaches to the rear of a tractor frame so that agricultural machinery can be carried : en fr
  • GR8743B - PERFORMANCE MOVEMENT SYSTEM USEFUL POWER. : el en
  • DE687422C - ators and reactors : de en
  • US2188618A - Insect exterminator : en
  • USD118695S - Design for a slipper or similar : en
  • DK57212C - Perforation mechanism in Machines for the production of tubular sack blanks of several layers of paper or similar materials. : da en
  • US2188828A - Fountain inkwell : en
  • GB517498A - An improved view finder optical system, particularly for use with photographic cameras : en
  • US2188755A - Method of producing multiconductor signaling cables : en
  • US2188763A - Vehicle rocking device : en
  • FR852376A - Aircraft lift floats : en fr
  • AU34039A - An improved rotary pump : en
  • GB517384A - Improvement for promoting adhesion between driving belts and pulleys : en
  • DE687709C - peld wire twisting machines : de en
  • GB517576A - Improvements in or relating to commutators for dynamo-electric machines : en
  • AU109606B2 - Improved apparatus for cooling dwellings andthe like buildings : en
  • AU109627B2 - Improvements in or relating tothe electrode systems of cathode-ray tubes : en
  • GB517534A - An improved slow down gearing for use in printing, numbering and like machines : en
  • FR852329A - Chronometric device, in particular for aircraft altimeters applying the echo sounding method by means of sound waves : en fr
  • GB517431A - Improved electromagnetic transport device : en
  • GB517428A - Improvements in or relating to television or like receivers : en
  • US2188813A - Container : en
  • US2188501A - Variable orbital drive gear for dough rounders or the like : en
  • US2188591A - Audiphone earpiece : en
  • US2188609A - Fluid distributing device : en
  • US2188713A - Valve core, container, and stem : en
  • US2188579A - Cathode ray tube, more particularly for television purposes : en
  • US2188604A - Traffic signal : en
  • DK57203C - Procedure for Producing a Braking Force and Gaseous Pressure Brake for Performing the Procedure. : da en
  • US2188414A - Hinged last : en
  • FR852437A - Machine for measuring the length of fabric pieces : en fr
  • GB517407A - Improvements in or relating to hair curling devices : en
  • DE687722C - Metal hollow body for aircraft : de en
  • US2188492A - Bakepan set : en
  • US2188310A - Sheet of stars and method of manufacture : en
  • US2188411A - Vertical bar anchoring means : en
  • DE687714C - Device for remote control and remote monitoring of adjustable organs : de en
  • US2188753A - Fish lure and method of determining the proper coloring thereof : en
  • DE687574C - Fuel injection pump for fast running internal combustion engines : de en
  • CH208405A - Needle roller bearings. : de en
  • DE687513C - rag and printing machines : de en
  • FR852301A - Electro-magnetic vibrator : en fr
  • US2188694A - Automatic mine trap door : en
  • US2188764A - Camera : en
  • US2188696A - Rodent or animal trap : en
  • US2188746A - Method of producing complex metal : en
  • CA386538A - Hydroplane hull : en fr
  • CA386611A - Packing material for fractionating and scrubbing towers : en fr
  • CA386629A - Tuning device for lecher-wire systems : en fr
  • US2188426A - Dental hand piece : en
  • USD118787S - Design fob a dress : en
  • US2188380A - Lens mounting : en
  • US2188449A - Cleaning and massaging device : en
  • US2188621A - Station indicating device : en
  • US2188773A - Bookbinding : en
  • US2188790A - Material handling mechanism : en
  • CA386643A - Accounting machine : en fr
  • US2188404A - Luminous sign : en
  • US2188391A - Blow-off valve : en
  • US2188549A - Centering device for hearth bread pan sets : en
  • US2188617A - Electric iron plug and receptacle therefor : en
  • CA386659A - Arsenobenzene-mono-sulphoxylate : en fr
  • CH208352A - Process for the preparation of an acidic dye. : de en
  • GB517365A - Process for the treatment of metallic baths by certain solid materials : en
  • DK57205C - Work hat. : da en
  • FR852373A - Device for opening packs of cigarettes and the like : en fr
  • FR852385A - Snap-action flap mechanism for wiper control : en fr
  • DE687552C - Truck trailer tipping device operated by liquid pressure for power and manual operation : de en
  • IE15718L - Pulley block. : en
  • US2188775A - Zone temperature control system : en
  • US2188855A - Oil seal : en
  • US2188548A - Vehicle : en
  • DE687644C - : de en
  • FR852314A - Apparatus suitable for adjusting the cut of piston rings : en fr
  • GB517496A - Improvements in or relating to photographic cameras provided with range finders : en
  • USD118699S - Design for a comic figure : en
  • US2188722A - Bearing having a nonmetallic fabric lining : en
  • US2188817A - Decorative container : en
  • DE687632C - Support pillars made up of parts arranged crosswise, especially for excavation work : de en
  • US2188571A - Folding check book cover : en
  • US2188833A - Link chain : en
  • US2188875A - Plant box : en
  • US2188416A - Process for rapidly obtaining steels of high purity : en
  • CH208467A - Snow tire. : de en
  • AU318139A - Improvements in or relating to liquid dispensing apparatus : en
  • US2188422A - Fluid-tight attachment and tubular rivet therefor : en
  • CH208323A - Filter system for cleaning wood gas for motor vehicles. : de en
  • CA386554A - Flour sifting clutch for dough machines : en fr
  • CA386564A - Variable speed hydraulic coupling : en fr
  • CH208433A - Electric discharge tube. : de en
  • DE687497C - Lift roller : de en
  • DE687682C - n common drive system : de en
  • CA386591A - Hydroxy-propanone : en fr
  • US2188810A - Wringer post ironer : en
  • CH208353A - Device for the production of oleo oil and similar products. : de en
  • CA386642A - Fire extinguishing equipment : en fr
  • GR8746B - INSULATION OF ELECTRIC ACCUMULATORS FROM WOOD OF COMMON CYPRUS. : el en
  • USD118780S - Design for a dress ensemble : en
  • CH208383A - Collapsible light intercepting device for adjusting the headlights on motor vehicles. : de en
  • DE687641C - Arrangement to reduce interference with radio reception : de en
  • GB517470A - Improvements in or relating to carburetters for internal combustion engines : en
  • US2188420A - Rubber vulcanization : en
  • DE687551C - vehicle rowing : de en
  • AU109599B2 - Device for holding lambs during branding, tailing, &c : en
  • CH208447A - Closure, especially for apparatus for sterilizing bandages, surgical clothes, surgical instruments, etc. : de en
  • US2188629A - Burnishing machine : en
  • USD118783S - Design for a dress : en
  • AU109593B2 - Improvements in or relating to electron multipliers : en
  • US2188878A - Process of preparing crystallized derivatives of the vitamin e : en
  • AU109650B2 - Improvements inthe process forthe manufacture of aluminium : en
  • US2188330A - Sterine derivatives having the character of the sexual hormones and a process of preparing them : en
  • US2188710A - Pipe line identification device : en
  • AU24039A - A spreader for distributing farm yard manure, lime, fertilisers and seed and for topdressing land : en
  • GB517592A - Improvements relating to the prevention and dispersion of fog : en
  • CH208326A - Device for attaching an object to a surface. : de en
  • AU109438B2 - A process for producing carriers for medicinal substances : en
  • AU109621B2 - Improvements in syphonic Hushing valves : en
  • US2188614A - Tractor driven bean harvester : en
  • FR852411A - Roentgen lamp control device : en fr
  • CA386528A - Piston manufacture : en fr
  • DE687704C - Attachment for adjustable propeller blades made of wood in a split metal hub : de en
  • FR852338A - Electrical signaling systems : en fr
  • DE687449C - Automatic shut-off valve for beer pressure lines : de en
  • DE687487C - Knife presser for mowing machines : de en
  • CA386617A - Package assembling apparatus : en fr
  • US2188892A - Ditcher : en
  • US2188611A - Impulse generator : en
  • US2188883A - Condensation product and method : en
  • US2188859A - Fuel injection pump : en
  • SU56432A1 - Contactless salesman : en ru
  • CH208313A - Snow blower. : de en
  • CH208461A - Conveyor pipe for increasing conveyance of coke, coal and similar bulk material. : de en
  • CH208332A - Method and device for separating fiber materials from impurities, in particular for ginning cotton. : de en
  • DE680282C - Feed device for arc lamp electrodes : de en
  • DE687396C - Process for the manufacture of veined and spotted marble slabs : de en
  • GB517571A - Improvements in or relating to methods of and apparatus for applying adhesive : en
  • CH208319A - Device on folding leaves for opening and closing the same. : de en
  • CH208401A - Elastic novelty item. : en fr
  • CH208420A - Electrodynamic vibratory drive for work machines, such as sieves. : de en
  • US2188471A - Wrist watch bracelet clasp : en
  • CH208385A - Case with glass for wristwatches. : de en
  • AU270739A - Improvements in inertia element operated devices : en
  • DE687460C - Process for rolling T-shaped sheet piles : de en
  • AU350539A - Improvements in or relating to methods of mechanical scanning of sound recordings : en
  • CA386569A - Tubular rivet : en fr
  • AU337439A - Improvements in high-pressure metal-vapour electric discharge H devices : en
  • US2188804A - Control system : en
  • CH208331A - Bag filter. : de en
  • US2188440A - Overshoe : en
  • AU20039A - Improvements in or relating to machines for driving fasteners into a workpiece : en
  • CA386623A - Titanium pigment manufacture : en fr
  • AU24739A - Improvements in or relating to radio aerial installations : en
  • US2188423A - Method of making a commutator : en
  • USD118713S - Design for a support for ophthalmic : en
  • US2188841A - Shoelace : en
  • FR852303A - : fr
  • CA386653A - Fastener : en fr
  • AU22439A - Manufacture and application of new condensation products obtained from formaldehyde derivatives and from compounds ofthe thiourea series : en
  • DE687400C - Parallel vice : de en
  • DE687578C - Schlaegermuehle : de en
  • GB517395A - Apparatus for heating and spraying viscous waxes and oils : en
  • CH208454A - Voter rack with multiple voters. : de en
  • US2188568A - Rail leveling mechanism for planers and the like : en
  • CA386530A - Exothermic reaction apparatus : en fr
  • DE687391C - Three-wheeled motor vehicle : de en
  • FR852366A - Box spring for beds and sofas : en fr
  • CH208393A - Lining for centrifugal casting molds and method for making the lining. : de en
  • US2188632A - Diaphragm : en
  • US2188871A - Registering device for strip material : en
  • GB517529A - Improvements in or relating to cartons for rolls of sheet material : en
  • CA386589A - 2-hydroxymethyl-1,3-dioxolane : en fr
  • GB517551A - Improvements in or relating to electrical compasses for air or other craft : en
  • US2188625A - Device for the heating of flowing liquids such as rubber latex : en
  • US2188386A - Sheet material having crystalline effects : en
  • US2188432A - Air and other separator : en
  • US2188487A - Apparatus for treating water : en
  • USD118702S - Design for a service station : en
  • US2188561A - Subframe member for velocipedes : en
  • US2188502A - Method of and apparatus for making patterns : en
  • US2188770A - Treatment of oil : en
  • US2188552A - Fastening device : en
  • CA386600A - Cord winding machine : en fr
  • CA386601A - Abrasive : en fr
  • US2188483A - Car mover : en
  • GB517390A - Telescopic gun sight reticules : en
  • GB517445A - Improvements in starting devices for internal combustion engines : en
  • US2188388A - Automobile heater and defroster : en
  • GB517530A - Process for the manufacture of water gas enriched with hydrogen : en
  • GB517604A - Improvements in the frames of motor-propelled cycles : en
  • DE687462C - Process for the production of capillary-active sulfuric acid derivatives of aliphatic compounds : de en
  • AU563938A - Improvements in gauges or measuring stops for bar shears, croppers, and wire cutting machines : en
  • CH208369A - Radio beacon. : de en
  • CA386622A - Titanium pigment alcoholic suspension : en fr
  • GB517532A - Improvements in and relating to footwear : en
  • GB517561A - Improvements in or relating to roller mills : en
  • US2188783A - Faucet : en
  • US2188538A - Vat dyestuffs of the benzanthrone-anthraquinone-acridine series : en
  • US2188597A - Butane tank : en
  • CH208322A - Downward Combustion Gas Generator for Solid Fuels. : de en
  • CH208361A - Type lever drive for typewriters. : de en
  • DE687472C - Process for the production of light soap using sulphite cellulose waste liquor : de en
  • DE687561C - Variable capacitor : de en
  • US2188360A - Hair waving appliance : en
  • USD118714S - Design fob a kitchen fobk : en
  • US2188301A - Method and means for stitching neckties or similar articles : en
  • USD118794S - Design for a textile fabric : en
  • CH208391A - Process for smelting, converting and refining copper and furnace for its execution. : de en
  • DE687652C - Cable guide for winch drums enclosed in a housing : de en
  • CH208349A - Process for the production of tetrahydrofurans. : de en
  • DE687626C - Electric vehicle drive : de en
  • USD118801S - Design for a lace collar or similar : en
  • US2188370A - Cooling apparatus : en
  • US2188651A - Inductance coil : en
  • US2188707A - Hardware for cedar chests and the like : en
  • US2188795A - Candle and fuel composition for candles : en
  • FR852358A - Aircraft heater : en fr
  • FR50291E - Device for recording, reproducing or printing photophonograms : en fr
  • US2188424A - Support and spacer for concrete reinforcements : en
  • GR8739B - HYDROKINITOS PUMP. : el en
  • DE687567C - Kitchen stove : de en
  • US2188527A - Ceiling structure : en
  • GB517383A - Egg-top cutter : en
  • FR50261E - Fastening device for non-slip elements of road vehicle wheel tires : en fr
  • FR852368A - Aircraft : en fr
  • CH208438A - Electric light bulb with a 4 atm. excess operating pressure. : de en
  • USD118707S - Design for a plate or similar article : en
  • GB517474A - Process for treating textiles : en
  • US2188720A - Abrading machine : en
  • CH208427A - Electrical high-performance switch for high voltages that can be transported by rail and ready for operation. : de en
  • US2188412A - Sash and store front construction : en
  • US2188467A - Telephone system : en
  • DE687684C - Superhet receiver in which the input vibrations and the superimposed vibrations are fed to the same control grid of a mixing tube : de en
  • FR852351A - continuous electrode : en fr
  • GB517540A - Improvements in or relating to carbon roll mechanism for typewriters and like machines : en
  • US2188640A - Lace fabric : en
  • US2188885A - Condensation product and method : en
  • US2188415A - Dental flask : en
  • US2188637A - Flame hardening torch : en
  • GB517514A - Improvements in or relating to electron discharge devices : en
  • GB517506A - Forms for the construction of walls and similar building parts from concrete : en
  • FR852325A - : fr
  • GB517580A - Improvements in or relating to radio direction finding receivers : en
  • DE687532C - Crushing device for boiled or steamed potatoes, cereals, etc. like : de en
  • US2188645A - Carbon solvent and lubricant : en
  • USD118792S - Design fob a dress : en
  • USD118726S - Design for a decorative sheet of : en
  • FR852333A - Method and apparatus for treating water to prevent the effects of its hardness : en fr
  • GB517523A - Improvements in collapsible internal fittings for boxes or cartons suitable for holding and displaying cigarette packets and other articles : en
  • US2188458A - Carding engine : en
  • GB517421A - Manufacture of sulphur-containing organic compounds : en
  • GB517485A - Improvements in or relating to electrically operable indicators : en
  • US2188298A - Seal for evacuated devices : en
  • USD118705S - Design for a plate ob similar article : en
  • CA386604A - Electron multiplier : en fr
  • GB517611A - Improvements in or relating to piano action : en
  • USD118804S - Design fob a slip : en
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