• CH228971A - High frequency electrical navigation method. : de en
  • CH229117A - Electric direct current locomotive with at least six individually driven axles. : de en
  • AU117615B2 - An improved portable filtering unit : en
  • CA415428A - Profile duplicating machine : en fr
  • CA415441A - Temperature control apparatus : en fr
  • US2330243A - Liquid metering device : en
  • CA415422A - Electrical key switching device : en fr
  • CH228897A - A spring acting loading device for drafting devices. : de en
  • CH229104A - Device for monitoring at least one tube operating in a circuit. : de en
  • US2330530A - Paper laminating machine : en
  • CA415464A - Coating feeding and distributing mechanism : en fr
  • CH229036A - Four-pole direct current motor. : de en
  • FR885944A - Pipe connection : en fr
  • DE739420C - Ceramic insulating body : de en
  • US2330477A - Submarine rescue device : en
  • PL32117B1 - A method for cutting and drawing continuous strands of synthetic fibers, and an apparatus for carrying out the method : en pl
  • PL32100B1 - : en pl
  • DE739706C - Electrode salt bath furnace : de en
  • GB556353A - Improvements in or connected with positional invalid bedsteads, stretchers, or the like : en
  • US2330692A - Boring tool : en
  • US2330524A - Corrosion inhibitor : en
  • PL32134B1 - Daimler-Benz flktiengesellschaft, Stuttgart — UntertUrkheim Garbage truck B ^ f 3 / OZ : en pl
  • CA415505A - Ammunition : en fr
  • CH228922A - Process for the production of a basic copper compound from copper-containing material. : de en
  • CH228933A - Process for the preparation of an aromatic carboxamide. : de en
  • CH229089A - Device for automatic recording of data in telecommunication systems, in particular telephone systems. : de en
  • US2330610A - Needle valve and seat therefor : en
  • DE739600C - Device for heating water in open containers : de en
  • FR885873A - Stopper for firearms : en fr
  • US2330484A - Light fixture : en
  • PL32138B3 - Process for the production of tertiary diamino alcohols : en pl
  • US2330370A - Apparatus and method for manufacture of rubber tubing : en
  • US2330399A - Distensible bag catheter : en
  • US2330598A - Filled container gassing apparatus : en
  • USPP601P - roseplant : en
  • US2330422A - Machine for treating egg whites, etc. : en
  • DE739690C - Bucket wheel excavator : de en
  • FR885803A - Device to prevent personnel on board airplanes from falling forward, or in any case from undesirable movements of the body along the traction axle of the airplane : en fr
  • GB556292A - Improvements in and relating to high frequency electric heating apparatus : en
  • CH229002A - Device for setting the electrode pressure in seam and spot welding machines. : de en
  • DE739567C - Process for dewatering raw peat with the addition of peat dust by pressing between undivided endless press tracks : de en
  • US2330584A - Toolhead for rifling machines : en
  • CH229080A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • CH229093A - Radio receiver with spread spectrum tuning device. : de en
  • CH229067A - Contact converter with exchangeable, fixed power supply rails. : de en
  • CH228927A - Process for the production of glutaric acid. : de en
  • DE739463C - Beaters for blow bar mills : de en
  • DE739692C - Device for the temporary shutdown of heald frames in round looms : de en
  • GB556381A - Improvements in and relating to key-carrying devices : en
  • US2330687A - Tractor mower : en
  • FR885841A - Eutectic cartridge for the accumulation of cold : en fr
  • FR885825A - Standard element bearing system : en fr
  • FR885949A - 4.4'-Diamino-dicyclohexyl-methanes and process for their preparation : en fr
  • GB556304A - Improvements in or relating to engine oil filtration : en
  • CH228980A - Optical system that includes a correction element to correct the spherical aberration of at least one of its elements. : de en
  • DE739619C - Drainage device for water posts : de en
  • BE452026A - : en
  • US2330191A - Air tube and burner head for oil burners and the like : en
  • US2330650A - Charge former : en
  • CH229114A - Drive device on bicycles. : de en
  • US2330523A - Machine for rolling steel billets into merchant bars : en
  • PL32115B1 - Schneider et Cie, Paris Staggered positioning for setting artillery fuses : en pl
  • US2330358A - Indicating system : en
  • US2330373A - Picture hook : en
  • US2330353A - Mixture of polymerized materials : en
  • US2330354A - Shaping or cutting machine : en
  • US2330331A - Control track recording and synchronizing system : en
  • US2330694A - Spectrometer : en
  • US2330757A - Hosiery forming and drying device : en
  • GB556265A - Improvements relating to apparatus for ascertaining aircraft altitudes : en
  • DE739478C - Device for mixing fibrous materials with cement, plaster or the like. : de en
  • DK61356C - Automobile Checking System. : da en
  • FR885990A - Process for the combustion of ammonia in furnaces of known type : en fr
  • GB556371A - Improvements in ladders for fire escapes, water towers and the like : en
  • US2330209A - Flexible grinder or sander : en
  • CH228869A - Hot water boiler for central heating. : de en
  • CH229038A - Press bar on iron bodies of electrical machines with air slots. : de en
  • US2330357A - Signaling system : en
  • US2330566A - Pattern controlled machine : en
  • DE717718C - Footwear : de en
  • US2330196A - Guide for endless tracks : en
  • US2330377A - Electrical control system : en
  • CH229103A - Telecine emission installation. : en fr
  • BE451829A - Guanamines and their preparation process : en fr
  • CH228905A - Yarn narrowing machine. : de en
  • CH228963A - Shooting toy. : de en
  • DE739635C - Process for the preparation of γ-ketopimelic acid dilactone : de en
  • GB556252A - A machine for roughening coir or other fibre and rendering it more absorbent : en
  • US2330244A - Machine and method for assembling spiral spring structures : en
  • PL32109B1 - Method of producing benzene sulfonic acid derivatives : en pl
  • US2330261A - Adjustable reed : en
  • DE739530C - Process for the production of rye starch : de en
  • US2330505A - Electric control circuit : en
  • CA415529A - Railway car replacer : en fr
  • DE739591C - Magnetic deflection system for cathode ray tubes with a U-shaped core carrying a magnetic coil : de en
  • US2330645A - Method of making fabric : en
  • DE739593C - Process for enriching the active ingredients of mistletoe : de en
  • GB556367A - Improvements relating to piles and pile driving : en
  • FR885828A - Improvement to reciprocating pumps, particularly of the oscillating type : en fr
  • FR885935A - Machine tool spindle time-limited braking device : en fr
  • FR886042A - Stable fuel based on paraldehyde and acetaldehyde : en fr
  • GR10156B - METHOD OF IMMEDIATION OF WOOD OF ALL KINDS. : el en
  • US2330283A - Tractor-mounted implement : en
  • DE739599C - Device for illuminating microscopic objects : de en
  • CA415509A - Protective coating : en fr
  • CA415523A - Brominated acrylonitrile preparation : en fr
  • PL32160B1 - : en pl
  • US2330614A - Refuse collecting vehicle : en
  • GB556238A - Improvements in or relating to engine cowl supports : en
  • US2330449A - Belt splice : en
  • US2330658A - Welding device : en
  • DE739718C - Method for supplying aircraft cabins with breathing air at altitude : de en
  • US2330276A - Bookcase : en
  • US2330734A - Slip clutch : en
  • GB556379A - Improvements in or relating to builder's levels : en
  • FR885945A - Assembly allowing linear variation of an impedance by means of a periodic control voltage : en fr
  • FR886004A - Injection pump, especially for light fuels, for internal combustion engines : en fr
  • CH228930A - Process for the preparation of a compound of the tetrahydropyran series. : de en
  • US2330679A - Combination bean puller and hoe : en
  • US2330715A - Wrapper feed for wrapping machines : en
  • USD136411S - Design for a tag : en
  • FR885938A - Highly flexible transmission belt made up of several overlapping layers : en fr
  • GB556355A - Improvements in the mounting of parts or components to be machined between centres : en
  • FR885959A - Advanced Yeast Manufacturing Process : en fr
  • FR885998A - Guidance device for vehicle trailers : en fr
  • GB556359A - Electricity conductor unit : en
  • GR10159B - CARBOHOOD COOKING APPLIANCE. : el en
  • DE739650C - Process for the cleavage or pressure hydrogenation of hydrocarbon oils : de en
  • GB556240A - Improvements in or relating to shoe upper conforming machines : en
  • FR886024A - Device for recording movements using light barriers : en fr
  • US2330440A - Method and means for production of aqueous hydrogen chloride : en
  • DE739493C - Device for adjusting the pivotable spindle carrying the positioning marks : de en
  • US2330729A - Shock-withstanding bearing : en
  • FR886035A - Hydrocarbon oil cracking process : en fr
  • GB556337A - Improvements in or relating to the method of working internal combustion engines : en
  • US2330264A - Shoe machine : en
  • US2330355A - Indicating system : en
  • US2330635A - Machine part subjected to sliding stress : en
  • DE739705C - Braun's tube with an opaque, slanted screen that can be viewed from the front : de en
  • DE739725C - Writing device for conveyor belt scales : de en
  • CH228914A - Process for the production of sugar solutions from cellulose intended for technical purposes. : de en
  • US2330655A - Plant for recovery of volatile oil and grease solvents : en
  • US2330306A - Enameled tank : en
  • US2330429A - Voltage control apparatus : en
  • DE739447C - Process for the production of a yeast preparation : de en
  • US2330642A - Grain conveyer and storage tank : en
  • ES4820Y - Tubular tire for bicycles. : en es
  • FR885987A - Telephone or similar systems : en fr
  • FR885920A - Work equipment for veterinary care and shoeing of horses, oxen, etc. : en fr
  • US2330661A - Telemetering arrangement : en
  • US2330669A - Nonoverfill and vent construction for storage batteries : en
  • US2330423A - Separator : en
  • DE739541C - Switching arrangement for one after the other to be operated electrically, arranged in groups : de en
  • GB556347A - Improvement in gear finishing machines : en
  • CA415408A - Flexible container : en fr
  • CH228879A - Gas generator working with descending gasification. : de en
  • CH229051A - Electrical contact converter. : de en
  • PL32148B1 - A method of producing tris- and multi-phase dyes : en pl
  • GB556245A - Improvements in or relating to electric knife switches : en
  • DE739703C - Arrangement for switching a DC motor fed by a group of grid-controlled steam or gas discharge paths from driving to regenerative braking : de en
  • DE739498C - Liquid drive for multi-pole electrical circuit breakers : de en
  • FR885855A - Shortenable elastic leg for aircraft landing gear : en fr
  • GB556362A - Improvements in and relating to rotary screening apparatus : en
  • BE452078A - Electric current rectifier without pump : en fr
  • US2330189A - Heater for fluids : en
  • US2330656A - Clearing device for air ducts in the lip of casting pots : en
  • US2330657A - Governor structure : en
  • US2330745A - Conveyer : en
  • DE739707C - Mobile compressor systems driven by internal combustion engines : de en
  • CH228880A - Propellant gas generation plant. : de en
  • DE739580C - High pressure boiler with indirect heating by a heating medium flowing in a closed circuit : de en
  • US2330214A - Joint and joint installing apparatus for concrete roads and the like : en
  • US2330228A - Die for drawing sheet metal articles : en
  • US2330525A - Corrosion inhibitor : en
  • US2330761A - Chemical : en
  • CA415429A - Fluid separator : en fr
  • CA415399A - Axle journal lubricator : en fr
  • CA415425A - Sound translating device supporting assembly : en fr
  • CH229039A - Process for the production of insulating tubes for conductors in electrical systems. : de en
  • PL32119B1 - A device for winding natural or artificial yarns : en pl
  • CH228968A - Device for measuring lengths, applied to an instrument or a machine. : en fr
  • US2330569A - Apparatus for controlling land, marine, and aerial vehicles : en
  • CH228891A - Mailbox with display device. : de en
  • US2330738A - Electric lighting fixture : en
  • CH228876A - Locking pawl as window fitting. : de en
  • DE739531C - Process for the production of dry glue which dissolves lump-free in cold water : de en
  • DE739644C - Directly or indirectly heated glow cathode for electron tubes : de en
  • GB556351A - Improvements in pipe insulation sections for outside use : en
  • US2330533A - Window sash control mechanism : en
  • US2330483A - Rail bond terminal : en
  • US2330700A - Safety device : en
  • CA415420A - Alternating current signalling system : en fr
  • PL32120B1 - A method of producing metal shapes and a device for using the method : en pl
  • USD136417S - Design for a slip : en
  • US2330375A - Automatic power transmission : en
  • CA415480A - Muti-colour photographic picture production : en fr
  • US2330447A - Hydraulic gate valve : en
  • US2330744A - Mop holder : en
  • US2330577A - Centering device for the cutting of sheet-metal disks : en
  • US2330742A - Fluid sealing device : en
  • USD136409S - Design fob a house coat : en
  • FR885941A - Galileo viewfinder, in which reference marks are made to appear, by optical means, in the visual field of the viewfinder : en fr
  • FR885931A - Process for preparing aqueous solutions of glyoxal : en fr
  • FR885952A - Process for manufacturing synthetic articles, fibers, threads, films, etc., from albuminous substances : en fr
  • DE739429C - Process for the production of high quality permanent magnets from iron-nickel-copper alloys : de en
  • PL32114B1 - A method of removing the sludge of minerals, slags and similar materials containing hardly volatile metal oxides : en pl
  • DE739641C - Protective device : de en
  • US2330420A - Cylinder : en
  • US2330712A - Means for and method of preventing locomotive wheel slippage : en
  • GB556334A - Improved means for scoring sheet material or of containers or other articles of sheet material : en
  • FR885901A - Improvements to centralized accounting : en fr
  • USRE22381E - mixer : en
  • US2330764A - Ship propulsion : en
  • US2330482A - Vehicle spring suspension : en
  • US2330770A - Clip construction : en
  • CA415518A - Receptacle hinge connection : en fr
  • CH229132A - Device for clamping and pressing of clamping pieces on parts provided with a conical seat. : de en
  • US2330378A - Internal combustion engine : en
  • FR886013A - Device for reducing the impulse voltage at the neutral of single and polyphase transformers : en fr
  • GB556311A - Improvements in or relating to shaft bearings : en
  • US2330683A - Stocking : en
  • CA415421A - Telephone instrument : en fr
  • CA415437A - Discharge circuit : en fr
  • PL32142B1 - Zinc alloy, not containing copper but containing aluminum and magnesium, used in the manufacture of items with high ductility at low temperatures : en pl
  • US2330337A - Alpha : en
  • US2330571A - Method of making chewing gum : en
  • DE739520C - Rotary cutter for metal profiles with mutually rotatable cylindrical bodies with inserted knives : de en
  • FR885993A - Methods and installation for measuring and regulating quantities of heat transported by fluids : en fr
  • DE739717C - Electrically heated valve for breathing apparatus or the like. : de en
  • IE16470L - Pectin products : en
  • FR885997A - Outboard engine, internal combustion, for watercraft, with silencer mounted behind the engine block, if applicable in the sternpost : en fr
  • US2330329A - Sectional mold for tire casings : en
  • FR885860A - Long-rod ceramic electrical insulator with low fouling : en fr
  • GB556256A - Improvements in methods and apparatus for the application and utilization of fluid pressure : en
  • GB556354A - Improvements in or relating to the production of dies for drop forgings : en
  • US2330324A - Fining of glass : en
  • US2330326A - Method of fractionating vapors : en
  • US2330741A - Method of assembling retainers : en
  • GB556279A - Improvements in and relating to aircraft propellers : en
  • DE739462C - Stripping device for grinding rollers : de en
  • DE739488C - Process for the production of tanning substances from dioxydiarylsulfones : de en
  • DE739500C - Ferraris time motor with low power consumption for independent overcurrent relays : de en
  • FR885946A - Process for preparing phenols from aromatic amines : en fr
  • DE739674C - Warning device for oxygen breathing apparatus : de en
  • FR886003A - Oil pressure brake installation, in particular for motor vehicles : en fr
  • GB556340A - Regenerative telegraph repeater : en
  • GB556289A - A universal coupling : en
  • CA415456A - Double bimetallic gaseous relay : en fr
  • CA415507A - Hydraulic brake pump : en fr
  • CH229079A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • FR886009A - Manufacturing process of sulfanilamidopyrimidines : en fr
  • US2330402A - Multiple filing pocket : en
  • US2330478A - Coin bank : en
  • US2330506A - Snap switch construction : en
  • US2330334A - Light valve : en
  • PL32130B1 - Manuel Tama, Zurich Induction furnace for smelting light metals, especially aluminum and its alloys : en pl
  • PL32127B1 - Connecting plate-shaped objects by means of binding strips, such as a bolt connection : en pl
  • US2330190A - Combustion method for oil burners : en
  • US2330298A - Heating system : en
  • US2330615A - Tufting machine : en
  • DE739666C - Method and apparatus for manufacturing sugar bodies, e.g. Fondants : de en
  • PL32151B1 - A method of producing plastics with properties similar to those of rubber : en pl
  • FR885984A - Level trim : en fr
  • GB556288A - Improvements in contact arrangements applicable to electrical follow-up switches : en
  • DE739708C - Process for the treatment of hot glass fibers by applying an oil-based or plastic coating : de en
  • US2330257A - Process for making tampons : en
  • US2330588A - Telemetering system : en
  • FR886031A - Automatic Firearms Improvements : en fr
  • DE739623C - Process for the fractional distillation of liquid mixtures, in particular petroleum : de en
  • GB556267A - Improvements in and relating to the production of pistons for internal combustion engines and the like : en
  • DK61353C - Procedure for the manufacture of pressed or rolled products, in particular caliber rolling products. : da en
  • US2330385A - Accelerator pedal device : en
  • DE739514C - Glass block consisting of two glass tiles : de en
  • GB556327A - Improvements in or relating to an air-cooling arrangement for rotor windings of electric machines, especially turbo-generators : en
  • FR885970A - Sheller tarare, especially for cereals : en fr
  • CA415451A - Air compressor : en fr
  • CH228892A - Brush with electric drive. : de en
  • US2330497A - Inlaid article and method of inlaying : en
  • USD136412S - Design fob a buckle : en
  • FR885898A - Process for preparing fatty acids : en fr
  • FR886029A - Viewfinder control : en fr
  • FR885818A - Improvements made to containers such as, in particular, bottles and the like used in travel cases : en fr
  • CH229115A - Electrical system for vehicles. : de en
  • US2330452A - Method of making mercuric naphthenate : en
  • USD136405S - Design fob an eyeglass frame : en
  • US2330335A - Galvanometer adjusting assembly : en
  • USD136410S - Combined washer and wringer drive housing : en
  • DE739494C - Squeegee device for rotogravure printing machines : de en
  • US2330338A - Roller skate : en
  • US2330360A - Post driving head : en
  • DE739318C - Process for the production of zinc oxide : de en
  • US2330594A - Dry rectifier : en
  • FR885863A - Process and machine for the manufacture of tubular parts : en fr
  • GB556370A - Improvements in or relating to printing mechanism for calculating machines : en
  • FR885943A - Firearm starting shots produced during a movement of advancement of the weapon or one of its parts : en fr
  • FR885960A - Chronograph electric recorder : en fr
  • FR885932A - Process for improving textile fibers : en fr
  • FR885965A - Reinforced concrete beams : en fr
  • FR885824A - Modulation system : en fr
  • FR885958A - Device for erecting walls forming the enclosure or subdividing buildings : en fr
  • IE17185L - Sparking plugs : en
  • CH229128A - Process for the preparation of a dye of the dioxazine series. : de en
  • US2330400A - Method of making distensible bag catheters and the like : en
  • US2330490A - Hand grenade : en
  • CH228883A - Device for automatic control of the throttle valve of a smoke exhaust duct of heating devices. : de en
  • CH228993A - Process for the production of magnetically stressed objects. : de en
  • FR885844A - Stop pliers without clamping jaws : en fr
  • FR885851A - Azo dyes and process for their production : en fr
  • GB556258A - Improvements in or relating to electrical indicating instruments of the ratiometer type : en
  • CH228899A - A method of manufacturing a fabric, a loom for its implementation, and a fabric obtained by this process. : en fr
  • CH229041A - Device for the automatic triggering of a process dependent on an electrical voltage. : de en
  • PL32149B1 - Method for the production of monoasic dyes : en pl
  • CA415436A - Electric cable : en fr
  • FR885995A - Circular saw for wood : en fr
  • FR885896A - Process for regenerating natural or synthetic rubber : en fr
  • GB556278A - Improvements in or relating to building bricks and reinforced brick structures : en
  • FR885885A - Process for preparing resins : en fr
  • GB556253A - Improvements relating to sparking plug electrodes : en
  • GB556310A - Improvements relating to alternating electric current rectifiers of the selenium type : en
  • FR885840A - Rolling device for moving loads : en fr
  • FR885936A - Gear shifting control device for motorcycles : en fr
  • GB556262A - Improvements relating to electric accumulators : en
  • DE739558C - Centrifugal clutch for shafts : de en
  • GB556345A - Improvements in or relating to electric welding apparatus : en
  • US2330238A - Lubricating composition : en
  • CA415419A - Coating composition : en fr
  • CH228960A - Film cutting and gluing device. : de en
  • CH229066A - Stepping mechanism. : de en
  • CH229001A - Lever arrangement for foot-operated spot and seam welding machines. : de en
  • CA415407A - Container for commodities and package : en fr
  • GB556339A - Improvements in or relating to means for supplying heated air to furnace and the like fires : en
  • GB556365A - A composition for producing a potable brew from grasses : en
  • US2330556A - Method of enlarging tube ends : en
  • CH228877A - Process for the production of combustible agglomerates formed, at least for the greater part, from woody materials, and product obtained by this process. : en fr
  • CH229008A - Method and device for the production of round stoppers from cork mass. : de en
  • AU117526B2 - Improvements relating to telephone systems : en
  • CA415412A - Liquid distilling apparatus : en fr
  • CA415457A - Vacuum tube thimble seal : en fr
  • CH228882A - Gas generator. : de en
  • CH228992A - Process for the production of objects which must have high strength at room temperature. : de en
  • US2330226A - Quadrantal error corrector system : en
  • US2330340A - Insecticide : en
  • US2330643A - Lining for rope-and driving pulleys : en
  • US2330303A - Power lift device : en
  • US2330653A - Unit heater : en
  • PL32173B1 - Manufacturing of sieve fabrics : en pl
  • US2330349A - Glass bending apparatus : en
  • DE739667C - Process for producing a film coating on the inner wall of molds for praline cores : de en
  • FR886025A - Carburetor for combustion engines : en fr
  • DE739552C - Device for the sliding movement of vacuum cleaners of the horizontal type : de en
  • US2330750A - Process for recovering thorium from substances containing thorium and iron : en
  • US2330212A - Stop means for textile machines : en
  • US2330590A - Dust iron core : en
  • DE739613C - Automatic gearbox for vehicles depending on a centrifugal governor driven by the gearbox shaft : de en
  • FR885862A - Two-steel rails : en fr
  • DE739461C - Silencer for the exhaust of internal combustion engines : de en
  • CH228975A - Tilt balance. : de en
  • PL32136B1 - Robert Bosch G. m. B. H., Stuttgart Magnetoelectric machine for ignition and lighting : en pl
  • DE739631C - Injection pump for internal combustion engines with two pump pistons which can be moved in opposite directions under spring pressure and are arranged on the same axis in the same pump cylinder : de en
  • AU607642A - Improvements in carpet sweepers : en
  • CH229122A - Means for combating the bee mite. : de en
  • US2330207A - Method of making sheet metal containers : en
  • FR885868A - Coil and capacitor coating : en fr
  • US2330239A - Lubricant : en
  • US2330456A - Cable anchor : en
  • CH228935A - Process for the preparation of a chromable azo dye. : de en
  • US2330605A - Machine for washing and steaming edible nuts : en
  • CA415434A - Moulded lignocellulosic material : en fr
  • CH229052A - Permanent magnet and process for making it. : en fr
  • CH229126A - Process for the preparation of a dye of the dioxazine series. : de en
  • CH229037A - Holder for a laminated core in the housing of an electrical machine. : de en
  • CA415390A - Rubberized fibrous material production : en fr
  • CA415466A - Glycol antifreeze cooling fluid : en fr
  • CA415491A - Spark plug : en fr
  • CA415461A - Ultra-high frequency tube : en fr
  • DE739465C - Hammer mill with hot air or heating gas supply in the grinding chamber : de en
  • FR886020A - Clutch freewheel for front and rear driven automobile wheels : en fr
  • US2330236A - Device for measuring gas leakage : en
  • CA415504A - Ammunition manufacture : en fr
  • CH229127A - Process for the preparation of a dye of the dioxazine series. : de en
  • DE739687C - Card, the scraper fittings of which have an underlay of rubberized fabric layers and a rubber cover layer : de en
  • FR885939A - Improvements in railway vehicles, in particular in those used for the transport of materials, and intended to run on a single rail : en fr
  • CA415520A - Vibrating apparatus control : en fr
  • USD136404S - Design for a combined coffee and tea maker : en
  • US2330747A - Process of manufacturing building blocks : en
  • USD136400S - Design for a thermometer dial : en
  • US2330363A - Method of making glass banks : en
  • US2330551A - Work guide : en
  • FR885914A - Process for the production of perchlorethylene, optionally mixed with tetrachloromethane : en fr
  • CA415483A - Porous metal production : en fr
  • AU117510B2 - Improvements in carpet sweepers : en
  • US2330630A - Production of candies : en
  • AU682742A - An improved control for welding torches : en
  • CH228909A - Zipper. : de en
  • CH228958A - Fire flap device on motion picture projector. : de en
  • PL32099B1 - Scharfenberjgkupplung flktiengesellschaft, Berlin Automatic coupling for coupling vehicles, especially transport trolleys : en pl
  • PL32163B1 - : en pl
  • US2330316A - Heel-attaching machine : en
  • DK61348C - Procedure for the manufacture of a single-stranded, cross-ribbed chain knitwear, wholly or partly with underlaid rubber chain thread. : da en
  • BE451820R - : fr
  • FR886041A - Process for removing solvent from raffinates : en fr
  • US2330259A - Well packer : en
  • US2330287A - Collapsible cardboard display device : en
  • US2330459A - Shoe : en
  • US2330550A - Ring means for pistons : en
  • FR885919A - Rotary internal combustion engine : en fr
  • FR886048A - Two-wire catenary line for trolleybuses and similar installations : en fr
  • CA415499A - Ceramically bonded-diamond abrasive : en fr
  • GB556250A - Improvements in typewriting machines : en
  • DE739722C - Grinding machine, in particular spiral drill grinding machine : de en
  • DE739483C - File folder : de en
  • CH228955A - Film apparatus for step-by-step film tape provided with optical marks. : de en
  • CH229049A - Overload protection for the starting resistors of induction motors, especially those with centrifugal starters. : de en
  • CA415404A - Railway car floor protection : en fr
  • CH228948A - Process for phosphating metals. : de en
  • GB556242A - Manufacture of new mordant dyestuffsff : en
  • CH229018A - Dosing-distributor for high pressure central lubrication systems. : en fr
  • US2330260A - Method of making shoe lasts : en
  • US2330702A - Spool rack : en
  • GB556323A - Improvements in recording navigation instrument : en
  • CH228918A - Cooler for a still, in particular for medical purposes. : de en
  • FR886017A - Polarized relay : en fr
  • FR885989A - Method and device for electrolysis of solutions of metal salts by the amalgam process : en fr
  • BE452101A - Product for the destruction of weeds in crop fields : en fr
  • DE739506C - Device for measuring the field strength of magnets : de en
  • US2330793A - Classifying apparatus : en
  • DE739652C - Control for rust protection devices : de en
  • CH228976A - Compensation device. : de en
  • CH228896A - Process for the production of high-strength rayon from viscose. : de en
  • CA415431A - Radio transmission keying system : en fr
  • DE739535C - Step switch with switching resistor for tap transformers in non-stationary cinema systems : de en
  • FR886000A - : fr
  • GB556281A - Improvements in or relating to means for resoling and/or reheeling rubber boots or the like : en
  • GB556284A - Improvements in and relating to operating mechanisms for the cowling of aircraft cockpits and the like : en
  • DE739612C - Trailer coupling for tractor trailer devices and devices for horse pulling : de en
  • DE739546C - Battery block cast on top made of galvanic plate elements with air depolarization : de en
  • CA415387A - Non-drying adhesive label making apparatus : en fr
  • US2330718A - Bank note : en
  • US2330313A - Laminated safety glass : en
  • US2330408A - Fertilization of small plants : en
  • FR885918A - Apparatus suitable for illuminating an elongated field by means of one or more light sources : en fr
  • FR885839A - Device for fixing the sidecar to motorcycles with driven sidecar wheel : en fr
  • DE739521C - Gas welding process : de en
  • CH228916A - Device for generating smoke and heat in smokehouse. : de en
  • DE739592C - Process for splitting hydrocarbon oils or for pressure hydrogenation of coal, tars or mineral oils : de en
  • CH229033A - High voltage cable connection. : de en
  • DE739629C - Tiltable device for casting gases sensitive metals, e.g. Beryllium, in a high vacuum : de en
  • USD136402S - Srofe tailstock : en
  • PL32141B1 - The method of obtaining phenols purified from crude phenols : en pl
  • DK61354C - Device by Scales for Parallel Guide of the Scale. : da en
  • PL32103B1 - Paul Albert Kunz, Le Lotie Mechanical time fuse for artillery shells : en pl
  • PL32168B1 - Schmidfsche Heissdampf-Gesellschaft mit beschrankter Haftung, Kassel-Wilhelmshóhe, Steam regulating valve with water separator for steam and similar boilers : en pl
  • US2330350A - Sewing machine loop-taker : en
  • US2330443A - Control mechanism : en
  • US2330705A - Candle base and assembly : en
  • DE739512C - Collapsible umbrella frame : de en
  • GB556335A - Improvements in or relating to mining machines : en
  • GB556314A - Improvements in or relating to adjustable gear wheels and the like : en
  • FR885916A - Means for combating butyric fermentation and all other undesirable bacteriological fermentations in cheese and other preserves : en fr
  • GB556282A - Improvements in, or relating to, the manufacture of airscrew blades and the like : en
  • US2330446A - Apparatus for producing bags : en
  • US2330499A - Control capacity circuits : en
  • US2330531A - Means for identifying documents : en
  • GB556378A - An improved metal strap for boxes, packing cases and the like : en
  • US2330272A - Agricultural implement : en
  • DE739677C - Aircraft shock absorbers : de en
  • US2330688A - Method and means for dressing and sharpening rock drills : en
  • US2330225A - Phonovision system : en
  • US2330270A - Register : en
  • US2330697A - Electroacoustic transducer : en
  • US2330210A - Blank ammunition firing attachment for gas operated guns : en
  • US2330339A - Refrigerated vehicle body : en
  • DE739526C - Device for bare grinding of tools : de en
  • DE739704C - Device for switching arcing faults one or more times : de en
  • FR885852A - Electric dust collector with removable cover for gasifier : en fr
  • FR885924A - Device for automatically guiding the contact strips of knife switches, removable plugs, etc., for sliding devices, the contact bearing plate being guided by conical pins : en fr
  • GB556275A - Improvements in and relating to reciprocating ram pumps : en
  • FR885816A - Corrective method and apparatus, in particular for maritime or air navigation : en fr
  • CH229083A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • GB556350A - Improvements relating to plansifters : en
  • CA415403A - Hydraulic coupling : en fr
  • CA415458A - Low-current low-voltage ignitor : en fr
  • CH228904A - Fulling agent. : de en
  • AU638842A - An improved portable filtering unit : en
  • CH229107A - Dismountable container. : de en
  • GB556325A - Improvements in and relating to aircraft landing gear : en
  • AU682242A - An improved bell for syphon cisterns : en
  • CH229027A - Device for mixing two gases at different temperatures. : de en
  • US2330208A - Method and apparatus for belt surfacing : en
  • US2330535A - Device for determining length of walking sticks to suit purchasers : en
  • CH228999A - Device for the preparation of foundry molds. : en fr
  • CA415453A - Electrode support : en fr
  • FR885964A - Device for the direct control of floating segment brakes : en fr
  • CA415497A - Textile fibre processing : en fr
  • PL32177B1 - Luz-Bau G. m. B. H., Berlin-Charlottenburg Building containing shelters for air defense : en pl
  • FR886016A - Variable electric capacitor with ceramic reinforcement supports : en fr
  • GB556313A - Improvements in or relating to work rests for screw thread rolling, centreless grinding and like machines : en
  • DE739719C - Control device for the cooling air inlet cross-section of fairing hoods of air-cooled aircraft engines used to drive adjustment propellers : de en
  • PL32166B1 - Efka-Werk Fritz Kiehn, Trossingen J) 9J h 5Mk Tissue paper for cigarettes : en pl
  • US2330733A - Air terminal take-off device : en
  • FR885961A - Device intended to photograph on the film of the indications used for the location : en fr
  • DE739638C - Hydraulic auxiliary shift device for change gears, especially for motor vehicles : de en
  • US2330325A - Explosive-carrier sensitive to airplane induced aerial disturbances : en
  • US2330574A - Cigar machine : en
  • DE739570C - Process for the production of products of oxidation, such as fatty acids or alcohols, by the oxidation of hydrocarbons : de en
  • DE739669C - Control device for regulating the speed of winding rolls, especially for the paper and textile industry : de en
  • ES4777Y - New valve for rubber balls, soccer bladders and the like. : en es
  • US2330552A - Lubricated hinged shaft joint : en
  • US2330575A - Tool : en
  • US2330327A - Pressure core taker : en
  • US2330502A - Plastic packing : en
  • DE739534C - Arrangement for modulating ultra-short waves : de en
  • AU117606B2 - An improved machine for grinding and polishing knives : en
  • CA415503A - Wireless receiver : en fr
  • FR886007A - Two-piece stirrup fixing and adjustment device for ski bindings : en fr
  • US2330268A - Masking structure for bowling alleys : en
  • DE739564C - Vault-like camouflage framework made of latticework : de en
  • AU117637B2 - Method and apparatus for casting diamond studded tools : en
  • CA415398A - Axle journal lubricator : en fr
  • CA415409A - Agricultural draining apparatus : en fr
  • DE739548C - Stretching device for artificial threads, especially made of viscose : de en
  • AU607042A - Improvements relating to telephone systems : en
  • CH228893A - Machine for varnishing cans. : en fr
  • US2330372A - Retaining means : en
  • CH228989A - Clock, in particular for navigation purposes. : de en
  • AU117632B2 - Broadband antenna : en
  • CH229057A - Cup capacitor with airtight and liquid-tight electrode feed-through. : de en
  • CH229048A - Protective device for liquid-filled containers, in particular electrical machines and apparatus filled with insulating oil. : de en
  • CH229120A - Electrical system, in particular for aircraft, with a direct current generator driven at variable speed, the terminal voltage of which is regulated by influencing the excitation current of the generator. : de en
  • US2330509A - Gun tester : en
  • US2330560A - Frame for cycles and the like : en
  • CH228959A - Light-sensitive colloid layer for the production of tanning images. : de en
  • US2330589A - Method and device for separating solid substances from suspensions : en
  • CH228910A - Flexible plate, especially for the soles of shoes. : de en
  • PL32102B1 - A device for removing air from suction and discharge chambers of pumps - / "Z ^ La * of internal combustion engines : en pl
  • CA415455A - Leading-in conductor : en fr
  • CH228969A - As an adjustable center punch and compass serving as a marking device. : de en
  • CH228991A - Parking device on spring clockworks with motor winding. : de en
  • CH229137A - Method for deflecting the cathode ray in Braun tubes. : de en
  • CA415490A - Lathe : en fr
  • AU123667B2 - Improvements in or relating to separable fasteners : en
  • PL32123B1 - A method of producing a crispy agent for baking purposes : en pl
  • US2330205A - Ordnance : en
  • US2330529A - Vertical boring mill : en
  • CH229133A - Two-stroke internal combustion engine. : de en
  • PL32174B1 - Daimler-Benz flktiengesellschaft, Stuttgart — Unterturkheim Single piston setting device for pumps, especially fuel injection pumps for internal combustion engines : en pl
  • PL32189B1 - Raboma Maschinenfabrik Hermann Schoening, Berlin-Borsigwalde Drilling machine with rotating crank lift : en pl
  • GR10158B - DRAWING DEVICES FOR PROPERTY AND PROCESSING. : el en
  • AU117531B2 - Improved method of packaging fluent solid materials : en
  • CH229142A - Device for the hydraulic adjustment of the blades of propellers, in particular propellers. : de en
  • CA415450A - Electric tube manufacture : en fr
  • CA415445A - Brake control means : en fr
  • CH229012A - Bending pliers. : de en
  • US2330475A - Piston ring expander : en
  • CH228906A - Printing mass. : de en
  • FR885996A - Process for the production of perchlorethylene, optionally mixed with hexachloroethane : en fr
  • US2330626A - Elevator for repetition and automatic firearms : en
  • US2330782A - Method of adjusting and sealing resistance elements : en
  • CA415400A - Ventilating fan : en fr
  • DE739610C - Aircraft spar or beam that can be assembled and clamped in a construction device : de en
  • CH229006A - Three-jaw chuck. : de en
  • CA415460A - Incandescent lamp with base fuse : en fr
  • CA415435A - Moulded lignocellulosic material : en fr
  • CH229141A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • CA415426A - Electromagnetic relay : en fr
  • DE739720C - Surface light for aircraft instrument lighting : de en
  • AU600642A - An improved machine for grinding and polishing knives : en
  • US2330668A - Safety mechanism for glass forming machines : en
  • DE739642C - Arrangement for regulating an operating variable in converters : de en
  • FR885875A - : fr
  • US2330330A - Tabbed rubber article and method for making the same : en
  • PL32161B1 - Egyesiilt Izzólampa es Villamossagi Reszvenytarsasag, Ujpestii Tubular gas-filled discharge lamp and its lampholder : en pl
  • FR885909A - Control of the working tools of a tedder, in particular a tedder coupled to a tractor and controlled by the latter : en fr
  • US2330547A - High-pressure steam generator : en
  • FR886002A - Multi-effect valve : en fr
  • DK61365C - Security device for Doors or Windows. : da en
  • US2330699A - Container carrier : en
  • CH229097A - Device for frequency modulation. : de en
  • GB556321A - Improvements relating to flame traps for exhaust gases from internal combustion engines of aircraft and other vehicles : en
  • US2330433A - Lamp circuit : en
  • FR885942A - Process for manufacturing hydroxylated alkylenimines : en fr
  • CA415502A - Hydrocarbon converting method : en fr
  • CH228920A - Cell for the electrolytic production of per compounds. : de en
  • US2330789A - Safety catch for bar pins of brooches and the like : en
  • CH229070A - Electrical wound capacitor with connecting conductors inserted into the winding. : de en
  • DE739468C - Ammunition feed for automatic firearms in aircraft wings : de en
  • FR885813A - Method and apparatus for gasification of solid fuels : en fr
  • AU127235B2 - Converters : en
  • CH229074A - Portable device for the perception of sounds. : en fr
  • DK61345C - Procedure for Adhesive Materials with Melamine Formaldehyde Condensation Products. : da en
  • US2330488A - Portable engine-driven pump : en
  • CA415462A - Fluid pressure brake : en fr
  • US2330277A - Multiple-bar, self-dumping mold : en
  • US2330634A - Gasoline pump : en
  • US2330684A - Bumper for commercial vacuum cleaners : en
  • US2330286A - Process for accelerating the hardening of hardenable resins and new composition of matter : en
  • FR885842A - Cream dispenser : en fr
  • FR885976A - Orientation device of the false table in grinding machines : en fr
  • CH229022A - Rotary lobe pump with slide piston and sickle-shaped working space. : de en
  • US2330680A - Lawn mower : en
  • FR885861A - Process for preparing concentrated fruit jellies : en fr
  • GB556322A - Improvements in or relating to metal bonded abrasives and the manufacture thereof : en
  • US2330672A - Process and apparatus for dialyzing latex : en
  • AU117636B2 - Combined rattle and teether : en
  • AU878843A - Improved method of packaging fluent solid materials : en
  • DE739664C - Internal combustion piston engine : de en
  • US2330345A - Package : en
  • DE739523C - Oil supply for hydraulic regulator : de en
  • FR885815A - Gasification process for tarry and wet fuels and installation for its implementation : en fr
  • DE739537C - Process for the post-treatment of viscose rayon in a continuous operation : de en
  • DE739539C - Hangers for curtains, curtains, etc. like : de en
  • DE739660C - Typewriter or similar machine with facilities for punching and filling punch cards : de en
  • US2330395A - Blueprint drier : en
  • US2330772A - Cigarette package : en
  • GB556357A - Improvement in motor drive : en
  • DE739466C - Screen mesh : de en
  • US2330470A - Heaving line device : en
  • CA415391A - Self-locking nut : en fr
  • DE739627C - Production of Schweinfurtergruen : de en
  • DE739556C - Diesel or heating oils : de en
  • CH228856A - Ackeregge, especially for winch rope pull. : de en
  • CH228949A - Machine for cutting sheets of paper or the like into strips. : de en
  • FR885812A - Improvements made to regulating systems with centrifugal masses, in particular pendular, more specifically for controlling the supply of internal combustion engines : en fr
  • US2330293A - Tripping mechanism for recordchanging apparatus : en
  • CH228889A - Device that can be used as a reading, writing and gaming desk, etc. : de en
  • CH228946A - Process for the production of protective layers on light metals and light metal alloys. : de en
  • AU560542A - Improvements in or relating to driving arrangements for lifts : en
  • CA415410A - Plastic floor or roof : en fr
  • FR885883A - Method and device for the manufacture of reinforced concrete pipes : en fr
  • FR885940A - Process for improving the properties, in particular the solubility of linear mixed polyamides : en fr
  • US2330302A - Tractor-mounted implement : en
  • FR885892A - Washing and cleaning process : en fr
  • CH229134A - Injection nozzle for internal combustion engines. : de en
  • FR885821A - Stabilizer transformer : en fr
  • FR885879A - Radio receivers : en fr
  • FR885895A - Process for regenerating synthetic rubber composed of polymers of butadiene or of its alkylated or halogenated derivatives : en fr
  • CA415469A - Glass working machine : en fr
  • CA415401A - Level indicator : en fr
  • USRE22380E - Link chain : en
  • CH228932A - Process for the purification of technical acid casein. : de en
  • AU117633B2 - An improved bell for syphon cisterns : en
  • CA415500A - Carton : en fr
  • FR885849A - Antenna conductor : en fr
  • DE739549C - Method and device for dissolving post-treated and dried endless synthetic thread bands into individual threads : de en
  • CA415519A - Radio shielding conduit connection : en fr
  • US2330411A - Record blank supporting arbor and assembly device : en
  • US2330725A - Air conditioning system : en
  • US2330427A - Telemetric control system : en
  • USD136413S - Design for a buckle : en
  • US2330555A - Stop motion mechanism for die presses : en
  • CH228895A - Process for the recovery of hydrogen sulfide and carbon disulfide from contaminated viscose precipitation baths with simultaneous evaporation of the same. : de en
  • US2330348A - Package : en
  • CH228981A - Shooting method applicable to relief photography. : en fr
  • CH229019A - Speed controllers on hoisting machines that are driven by three-phase motors. : de en
  • CH229016A - Distribution valve on prime movers for supplying the regulator and the lubrication system with oil of different pressure by means of the same oil pump. : de en
  • CA415405A - Draft gear : en fr
  • CA415446A - Wheel slip responsive means : en fr
  • CH228974A - Device on closed containers containing hygroscopic material to display the moisture content of the gas filling of the container, especially on housings of electrical apparatus and machines, and to determine the moisture absorption of the hygroscopic materials inside the container, especially the electrical insulation. : de en
  • CH229045A - Switching device. : de en
  • DK61352C - Heat and sound insulating plate. : da en
  • CA415411A - Lathe duplicator : en fr
  • CA415487A - Inflation apparatus : en fr
  • CA415515A - Railway car : en fr
  • US2330382A - Vise : en
  • US2330637A - Retractable bayonet : en
  • US2330785A - Method of making dextrose : en
  • US2330200A - Cartridge case : en
  • US2330292A - Film holder and method of making the same : en
  • US2330471A - Spray stencil hold-down : en
  • USD136403S - Design for an embroidered lace : en
  • PL32116B1 - Schneider et Cie, Paris and Jean Fieux, Paris Reflex sight : en pl
  • CH228857A - Process for the production of a thixotropic plant protection product. : de en
  • CH228952A - Desk calendar. : de en
  • CH229029A - High voltage transformer. : de en
  • CH229113A - Coaster brake actuator. : de en
  • US2330333A - Coating process and product : en
  • US2330600A - Discharge tube : en
  • US2330388A - Engine controlling means : en
  • US2330706A - Buffing means for railway cars and the like : en
  • US2330711A - Bedspread roller : en
  • DK61350C - Grinding machine for dental treatment of animals, in particular horses. : da en
  • CH229081A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • PL32169B1 - Czeslaw Zbierzynski, Warschau Artificial leather : en pl
  • CH228956A - Endless tape presser. : en fr
  • CA415468A - Sanitary valve : en fr
  • CH229119A - Facility for learning to fly. : de en
  • US2330570A - Halo acetal : en
  • PL32176B1 - Durener Metallwerke flktiengesellschaft, Berlin Kokila for block or slab casting with tight internal structure : en pl
  • US2330481A - Constant pressure wringer : en
  • US2330406A - Miniature camera : en
  • US2330434A - Belt splice : en
  • US2330593A - High frequency communication system : en
  • CH229078A - Process for the production of a condensation product. : de en
  • FR885893A - Support for a round curtain rod or stair carpet : en fr
  • US2330319A - Vulcanizer : en
  • US2330379A - Musical instrument : en
  • US2330703A - Air separator control for liquid dispensing apparatus : en
  • US2330222A - N-polyhydroxyalkylated amines of the benzene series : en
  • FR885981A - Device for the continuous fractional distillation of liquids : en fr
  • FR885994A - New frame for beehive combs : en fr
  • FR886040A - Lubricants : en fr
  • DK61366C - Adjustable ski binding. : da en
  • FR885858A - : fr
  • US2330274A - Machine and method for marking : en
  • US2330231A - Renewable electrical fuse : en
  • CH229100A - Circuit for radio receivers. : de en
  • FR885809A - Advanced machine tool : en fr
  • US2330438A - Apparatus for sintering powdered metals : en
  • FR885889A - Shock absorber and its mounting on the drive train of motorcycles : en fr
  • GB556266A - Improvements in and relating to polymethine dye intermediates and to the production of polymethine dyes : en
  • GB556385A - Improvements in and relating to flexible hose couplings : en
  • DE739528C - Device for display or remote display of wind speed and wind direction : de en
  • AU977443A - Improvements in or relating to separable fasteners : en
  • DE739516C - Cash register or accounting machine : de en
  • DE739699C - Car body, especially for freight wagons : de en
  • FR885968A - Process of manufacturing steel from cast iron by blowing refining under variable bath heights : en fr
  • DE739519C - Quick-closing valve : de en
  • DE739547C - Method for the stepwise drawing of freshly spun rayon threads : de en
  • DE739579C - Process for the preparation of compounds of boron fluoride : de en
  • FR885878A - Threaded shafts : en fr
  • FR885888A - Device for pressing pre-machined threads in order to increase their lifespan : en fr
  • AU706242A - Improvements inthe canning or packing of meat andother food products : en
  • CH228867A - Filling chute for solid fuels, with a support body for the fuel column, which is installed below the filling chute and has an air injection opening and a conical outer surface. : de en
  • CH229044A - Switching device. : de en
  • FR885884A - Process for preparing drying oils : en fr
  • GB556287A - Improvements relating to electric follow-up mechanism : en
  • PL32158B1 - Karl Barall, Duisburg -Wanheim and Karl Gerlach, Moers, Rhein Cross wedge for wedge lock of iron mining punch : en pl
  • CH229034A - Multiphase alternating current dynamo. : de en
  • DE739492C - Method and device for embossing stereotype plates made of plastics : de en
  • DE739696C - Piston machine with two adjacent and synchronously running crankshafts : de en
  • FR885929A - Process for improving textiles : en fr
  • FR885864A - Machine for slicing the upper parts of root crops, for example beets or their equivalent, possibly with leaves : en fr
  • DE739445C - Process for the production of hydrogen-carbon oxide mixtures from hydrocarbons : de en
  • FR885804A - Ultra-short wave generator : en fr
  • DE739509C - Separation of soot from gases : de en
  • DE739686C - Device for melting staple fibers, in particular rayon : de en
  • FR885983A - Cardboard manufacturing process : en fr
  • GB556239A - Improvements in or relating to calculating machines : en
  • DE739098C - Facility for sending secretions : de en
  • DK61351C - Whipping apparatus, in particular for the production of whipped cream. : da en
  • GB556249A - Improvements in or relating to overlays or cover strips of plastic material : en
  • GB556376A - Improvements in or relating to milling or like cutters : en
  • FR885963A - Continuous photocopying device : en fr
  • DE739524C - Individual wheel support for motor vehicles : de en
  • GB556386A - Wood or the like drills : en
  • DE739640C - Device to expand the range of application of self-acting carbon pressure regulators : de en
  • DE739700C - Middle buffer : de en
  • US2330775A - Novel dyeing effects : en
  • DE739573C - Process for the production of composite cast bearing shells and similar workpieces by immersion casting : de en
  • DE739598C - Scaffolding clamp for attaching crossbars to stands using a cross chain collar : de en
  • US2330248A - Electrode for gaseous discharge devices : en
  • FR885972A - Tangent worm gear system : en fr
  • US2330322A - Heating apparatus : en
  • CH229017A - Ball valve. : de en
  • CA415533A - Yarn twisting machine : en fr
  • CH229071A - Mirror. : en fr
  • DK61358C - Device for two-stroke engines for control of inflow and outflow. : da en
  • US2330501A - Current supply system : en
  • FR885926A - Prosthetic device for amputated fingers : en fr
  • GB556315A - Improvements in or relating to air preheaters for furnaces and the like : en
  • CH228884A - Installation for the production of acetylene gas for powering internal combustion engines. : en it
  • FR886001A - Gear tooth grinding machine : en fr
  • GB556312A - Improvements in or relating to slides for lathes and other machine tools : en
  • US2330618A - Portable electric hack saw : en
  • GB556246A - Improvements in and relating to ward-leonard systems : en
  • GB556380A - Improvements in gauges, more particularly for knitting needles : en
  • CH228868A - Installation of water heating. : en fr
  • GB556383A - Jewellery of enamelled, painted, handcut or gilded mother-of-pearl : en
  • FR886022A - Airplane comprising a box fixed to the lower part of the fuselage and movable around an axis : en fr
  • PL32146B1 - Sobre Societe Holding Generale de Brevets, Luxembourg Illuminating projectile with saw blades : en pl
  • US2330221A - Method and apparatus for concentrating liquids which upon concentration deposit crystals and leave a residual concentrated liquor : en
  • US2330690A - Cartridge fuse and switchgear incorporating the fuse : en
  • US2330281A - Clip : en
  • US2330515A - Railway track circuitapparatus : en
  • US2330197A - Flexible pipe joint : en
  • US2330576A - Aluminum furnace : en
  • DK61369C - Method for Mechanical Distribution and Grouping of a Wire Chain Thread in a Comb and Apparatus for Exercising the Method. : da en
  • DE739428C - Internal combustion engine pistons made of aluminum alloys : de en
  • US2330417A - Ash receiver : en
  • FR885823A - Improvements to extinguishers : en fr
  • DE739724C - Control for twin-motor winches : de en
  • DE739507C - Process for the production of short-circuit rings on iron bodies of AC magnets : de en
  • PL32178B1 - Rescue breathing apparatus : en pl
  • US2330192A - Handle for mattresses : en
  • GB556375A - Improvements in or relating to centrifugal fans : en
  • GB556358A - New monoazo dyestuffs : en
  • GB556261A - Operating mechanism for reclosing electric circuit breakers : en
  • DE739648C - Device for wrapping welding electrodes : de en
  • DE739617C - Cartridge puller for firearms : de en
  • FR886010A - Metal protection of copper or copper alloy objects, in particular on wires for rubber-insulated electrical conduits : en fr
  • US2330201A - Wrench : en
  • US2330573A - Snap fastener socket : en
  • DE739636C - Device for regulating feedwater preheaters on the steam side : de en
  • GB556268A - Improvements in or relating to fluid-pressure responsive devices such as indicators, recorders and control mechanisms : en
  • DE739384C - Arrangement for the regulation of connected AC distribution networks : de en
  • US2330620A - Photovoltaic cell and method of manufacturing the same : en
  • US2330403A - Catch assembly : en
  • US2330454A - Stock feeder : en
  • US2330602A - Method of making insulated braces : en
  • US2330396A - Machine for processing lightsensitive sheets : en
  • SE108599C1 - : en
  • DE739607C - Siphon : de en
  • FR885810A - Combined machine tool : en fr
  • FR885874A - Unbreakable watch glass bending device : en fr
  • FR885915A - Product to darken the white of enamels : en fr
  • FR885953A - Needle system for jacquard mechanics and armor mechanics : en fr
  • AU117506B2 - Improvements in or relating to devices for simultaneously tuning oscillatory circuits having different resonance frequencies : en
  • US2330295A - Feed collector : en
  • US2330332A - Boat propulsion device : en
  • AU396841A - Improvements in or relating to cast hard metal alloys : en
  • CH229040A - Method for the solderless fastening of a metal sleeve on a bare conductor end. : de en
  • CH228919A - Process for the continuous separation of volatile from non-volatile constituents of liquid or semi-liquid substances and device for carrying out this process. : de en
  • CA415488A - Surface ice accumulation preventing apparatus : en fr
  • FR886050A - Improvements made to insulating sheets in foam, hardened and reinforced on the surface, with artificial resin : en fr
  • US2330621A - Suction cleaner : en
  • US2330756A - Metal edge box staying machine : en
  • US2330435A - Wedge-plate belt splice : en
  • US2330235A - Notching mechanism : en
  • US2330369A - Apparatus for molding plastic material : en
  • US2330565A - Power transmission pump : en
  • US2330217A - Manufacture of the phenol-aldehyde type of resins : en
  • US2330480A - Wringer boll stop : en
  • DE738857C - Light meters for photographic use : de en
  • DE739665C - Device for impregnating fruit juices or other non-alcoholic beverages : de en
  • ES8249U - Extending wire bracket. (Machine-translation by Google Translate, not legally binding) : en es
  • FR885836A - Tuning device for radio receiver : en fr
  • CH229140A - Process for the preparation of a new oxyketone of the androstane series. : de en
  • DE739697C - Steam power plant with two networks of different pressure : de en
  • US2330398A - Arch support : en
  • US2330424A - Clutch control mechanism : en
  • US2330561A - Vehicle rear signal : en
  • US2330667A - Heat set ink : en
  • US2330787A - Isomerization of normal paraffins : en
  • AU794443A - Improvements in or relating to electrically operated spot welding apparatus : en
  • US2330356A - Indicating system : en
  • US2330300A - Apparatus for producing coherent materials : en
  • FR885869A - Heavily shielded plug coupler : en fr
  • CA415416A - Blueprint coating : en fr
  • CH228917A - Process for the production of a coffee substitute product with a stimulating effect. : de en
  • CH228964A - Sighting device on a telescope for shooting purposes. : de en
  • US2330500A - Power supply circuit : en
  • DE739554C - Automatic indirect temperature control device : de en
  • DE739527C - Mobile earth excavation and conveying device for creating cover ditches : de en
  • DK61367C - Plates and tubes, consisting of coiled fabric webs with spacers, and procedure for their manufacture. : da en
  • GB556369A - Speech transmission system : en
  • US2330599A - Thermal testing apparatus : en
  • DE739499C - Automatic switch for several circuits : de en
  • US2330290A - Valve : en
  • US2330278A - Reel : en
  • US2330413A - Fluid coupling : en
  • US2330474A - Process for breaking petroleum emulsions : en
  • US2330206A - Conversion of hydrocarbons : en
  • PL32122B1 - Nils Erland af Kleen, Stockholm Absorption or adsorption refrigeration device : en pl
  • US2330537A - Fiber spinning apparatus : en
  • DE739525C - Freewheel lock, especially for bicycle hubs : de en
  • GB556259A - Improvements in and relating to telemetering systems : en
  • CA415454A - Thermostatic control mechanism : en fr
  • US2330763A - Air duct assembly : en
  • US2330401A - Cathode : en
  • DE739622C - Process and device for the production of dry products from solutions and suspensions : de en
  • FR885974A - Sophisticated valve, especially for grinding wheel and workpiece coolant systems in grinding machines : en fr
  • CH228967A - Thickness gauge. : de en
  • FR885957A - Thermal and electromagnetic relay for circuit breakers : en fr
  • GB556295A - Improvements in or relating to vehicle truck frames : en
  • ES4794Y - Folding facet pay-pay. : en es
  • FR885832A - Assembly anchor : en fr
  • GR10155B - METHOD FOR IMPREATING WOOD. : el en
  • US2330445A - Knitted fabric : en
  • US2330583A - Sealing of rotary valves : en
  • US2330461A - Safety switch : en
  • PL32154B1 - : en pl
  • US2330432A - Weight indicator : en
  • US2330237A - Circuit breaker : en
  • AU214541A - Improvements in or relating to optical systems : en
  • CH228894A - Process for the production of highly elastic threads of high tensile strength and flexural strength from high molecular weight polyvinyl chloride. : de en
  • CH229108A - Mobile collection and extraction device with extraction head rotating around the longitudinal axis of the conveying boom that can be swiveled vertically and transversely. : de en
  • DE739713C - Drive belts, especially flat belts, made of polyamide u. Like plastics : de en
  • DE739723C - Machine for hardening bolts, camshafts, etc. like : de en
  • CH228941A - Process for the production of artificial structures. : de en
  • US2330387A - Electrically operated workman s : en
  • CA415530A - Make-ready : en fr
  • CH228966A - Swirl fuse. : de en
  • DK61349C - Procedure and Support for Preparatory Treatment of Skins. : da en
  • PL32104B1 - Ernst Toenniessen, Munich Belt lifting device for punching : en pl
  • US2330587A - Flotation reagent and process : en
  • US2330220A - Gate closure : en
  • FR886046A - Product for washing, cleaning, etc. and its manufacturing process : en fr
  • US2330572A - Press and tool structure for forming cavities in metal plate : en
  • PL32156B1 - : en pl
  • CA415493A - Doll eye mounting apparatus : en fr
  • CA415439A - Electric transformer : en fr
  • CA415501A - Hydrocarbon gas converting method : en fr
  • US2330404A - Electrolytic alkali chlorine cell : en
  • DE739605C - Process for converting the surface of magnesium or magnesium alloys into an electrically non-conductive, corrosion-resistant layer : de en
  • DE739673C - Warning device for oxygen breathing apparatus : de en
  • CH229086A - Process for the preparation of p-aminobenzenesulfonyl-ethylthiourea. : de en
  • US2330465A - Welding apparatus : en
  • US2330792A - Method of treating tall oil : en
  • PL32105B1 - A method of changing the phase of a series of short duration pulses : en pl
  • PL32188B1 - : en pl
  • CA415517A - Electron tube : en fr
  • AU1097643A - Converters : en
  • DE739701C - Resilient device to compensate for insufficient leeway in vehicle brakes : de en
  • CH228994A - Object that should be resistant to the attack of hot, high-pressure decarburizing gases. : de en
  • CH228887A - Roll mat. : de en
  • AU635942A - Improvements in or relating to high wattage resistance for radio andother electrical purposes : en
  • CH228901A - Sewing machine with fabric slide arranged in a free arm. : de en
  • DE739572C - Device for the continuous conveying and post-treatment of artificial threads, rayon and the like. like : de en
  • DE739684C - Bang device as a machine gun replica : de en
  • CH229003A - Process for welding aluminum and aluminum alloys. : de en
  • DE739496C - Arrangement for message transmission and remote control of vehicles : de en
  • DE739503C - Circuit-breakers in series with a fuse : de en
  • AU117514B2 - Target game apparatus : en
  • CH229101A - Television receiver with a high frequency and an intermediate frequency amplifier stage. : de en
  • US2330315A - Gown : en
  • US2330516A - Mouthpiece : en
  • US2330663A - Telescope objective and method of making same : en
  • CH229073A - Drilling apparatus. : de en
  • US2330671A - Bottle partition or divider : en
  • FR885850A - Typewriter : en fr
  • GB556302A - Process for separating or degreasing and separating the component parts of articles such as machine parts which have become cemented together by rust or corrosion : en
  • GB556224A - Improvements in and relating to pistons for internal combustion engines : en
  • US2330640A - Catalysis : en
  • CA415508A - Asbestos-cement pipe making apparatus : en fr
  • DE739589C - Traveling or vehicle transformer with a boiler adapted to the railroad profile : de en
  • US2330386A - Photographic facsimile recorder : en
  • US2330341A - Motorcycle saddle : en
  • CH228940A - Easily fusible ammonium nitrate explosive and method of manufacturing this explosive. : en fr
  • CA415423A - Telephone substation apparatus : en fr
  • CH229024A - Two-stroke internal combustion engine. : de en
  • US2330187A - Cigar lighter : en
  • CH228890A - Device for dispensing a detergent, in particular soap. : de en
  • CA415383A - Laminated plastic : en fr
  • AU699742A - Improvements in rotary disintegrators ofthe disc type : en
  • US2330389A - Smoking pipe : en
  • USD136415S - Design for a buckle : en
  • CH229099A - Circuit for radio receivers. : de en
  • PL32112B1 - A method of producing mixtures of protective salts containing fluorine for the preservation of wood : en pl
  • CA415417A - Modified chemical refractometer : en fr
  • DE739082C - Process for the production of condensation products : de en
  • US2330670A - Sliding door : en
  • CH229053A - AC switchgear. : de en
  • CH229124A - Process for the preparation of a polyoxy compound of the cyclopentanopolyhydrophenanthrene series. : de en
  • CA415471A - Calculator : en fr
  • CH228925A - Process for the manufacture of a soap substitute. : de en
  • CA415492A - Contact breaker for ignition apparatus : en fr
  • GB556348A - Improvements in brakes : en
  • GB556301A - Improvements in and relating to knitted fabric and hosiery and processes and apparatus for producting the same : en
  • US2330512A - Calculating machine : en
  • US2330532A - Centralized traffic controlling system for railroads : en
  • US2330758A - Geochemical prospecting : en
  • US2330636A - Aerial bomb : en
  • CA415474A - Check valve : en fr
  • CH229028A - Method for regulating a periodically operating absorption refrigeration machine. : de en
  • US2330297A - Vaporizer : en
  • AU117612B2 - Improvements in rotary disintegrators ofthe disc type : en
  • CH229050A - Device for counting and measuring current pulses of short duration. : de en
  • US2330498A - Engine-driven centrifugal pump : en
  • US2330644A - Toaster : en
  • DE739565C - Arrangement for measuring the angular position of two moving shafts : de en
  • US2330788A - Pivot mounting for pins of brooches and the like : en
  • US2330383A - Record changer mechanism for phonographs : en
  • US2330245A - Connecting and guiding means for endless tracks and the like : en
  • CH229129A - Device for listening to noises generated inside bodies. : de en
  • PL32137B1 - Robert Bosch G. m. B. H., Stuttgart Magnetoelectric machine with at least two independent magnetic circuits : en pl
  • US2330522A - Chassis truss bar : en
  • DE739433C - Method for the simultaneous application of an inner and an outer rust protection layer on pipes : de en
  • FR886043A - Multi-fuel gasifier : en fr
  • US2330368A - Antinoise brake structure : en
  • US2330544A - Automatic reclosing circuit breaking system : en
  • PL32121B1 - Method for the production of furan derivatives of the pyrazolone series : en pl
  • DE739472C - Lock to be opened by moving the housing carrying the tumblers using a socket wrench : de en
  • US2330269A - Knitting machine : en
  • DE739614C - Suspension belt made of wires, wire strands or wire ropes, especially for swing axles of motor vehicles : de en
  • DE739632C - Process for the production of pudding starch from potato starch : de en
  • US2330487A - Smelting apparatus : en
  • US2330489A - Electrical control system : en
  • US2330613A - Light meter for cameras : en
  • PL32097B1 - Method of obtaining oils that solidify at low temperatures : en pl
  • AU117622B2 - Improvements in or relating to high wattage resistance for radio andother electrical purposes : en
  • CA415413A - Aluminium alloy processing : en fr
  • CA415477A - Pressure die-casting machine : en fr
  • DE739555C - Printing device on cash registers for similar printing of several partially overlapping receipts : de en
  • US2330541A - Shock absorption mechanism for axles of motor cars : en
  • CA415532A - Glue applicator : en fr
  • DE739585C - Speed monitor with a short-circuit runner : de en
  • DE739577C - Solid rubber pads for caterpillar tracks of vehicles : de en
  • FR885843A - Piston for hydraulic systems : en fr
  • BE451896A - : en fr
  • CA415535A - Hydroxyketone production : en fr
  • US2330230A - Dielectric liquid : en
  • CH228915A - Process and plant for the production of a sugar not mainly intended for nutrition from wood, straw and other hexosane or pentosan-containing material by hydrolysis with an SO2 solution. : de en
  • GB556324A - Improvements in or relating to antenna systems : en
  • AU470742A - An improved package : en
  • CH229102A - Shortwave antenna system. : de en
  • CH229043A - Low volume oil circuit breaker. : en fr
  • PL32191B1 - : en pl
  • US2330736A - Clamp : en
  • US2330776A - Copyholder : en
  • PL32111B1 - The method of operating the blast furnace : en pl
  • US2330511A - Method of and means for forming lock nuts : en
  • US2330631A - Manufacturing sulphurous anhydride, alumina, and cements using sulphates of calcium : en
  • US2330698A - Plastic composition : en
  • US2330347A - Shipping container : en
  • US2330579A - Process of hydrating turpentine and like matters : en
  • DE739515C - Arrangement for the production of graduations of dial measuring devices : de en
  • CA415385A - Course-indicating apparatus for vehicles : en fr
  • US2330374A - Power transmission : en
  • US2330409A - Replaceable lip dredge bucket : en
  • BE452012A - Process for preparing chlorites : en fr
  • US2330713A - Chemical compounds and process of making the same : en
  • US2330728A - Door for industrial ovens : en
  • US2330612A - Subscriber's station for carrier frequency communication systems : en
  • US2330559A - Vapor generator or boiler : en
  • CH228984A - Clockwork motor spring with flange. : en fr
  • US2330654A - Fluid impulse controller : en
  • USD136408S - Design fob a shoe : en
  • CH228986A - Anchor escapement with pegs. : en fr
  • US2330466A - Means and method for package closure : en
  • US2330666A - Quick-opening envelope : en
  • US2330791A - Method fob the preparation of alpha : en
  • US2330578A - Hardness testing machine : en
  • AU117519B2 - Improvements in or relating to optical systems : en
  • CA415481A - High frequency signalling system : en fr
  • CH228939A - Device for the sulfuric treatment of oils. : en fr
  • DE739651C - Grate rotatable around a vertical axis : de en
  • DE739557C - Snap rivet : de en
  • DE739683C - Luggage rack for bicycles : de en
  • US2330701A - Suction cleaner : en
  • DE739545C - Dividing and filling device for powdery or pulpy masses, especially for filling battery cells with masses acting as a depolarizer : de en
  • FR885845A - Covering with glass threads of metallic threads, in particular electric conductors : en fr
  • AU575742A - Improvements relating to electromagnetic telephone instruments : en
  • CH228888A - Change frame for pictures. : de en
  • CH229013A - Method for producing daughter stencils. : de en
  • CA415433A - Inside door panel : en fr
  • FR885847A - Process for manufacturing sheets of artificial materials refractory to high temperatures : en fr
  • PL32144B1 - The method of producing azo dyes : en pl
  • US2330548A - Telephone set : en
  • CH229082A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • DE739489C - Water tube radiation boiler : de en
  • DE739504C - Device for regulating or keeping the voltages of a multi-phase network constant : de en
  • DE739513C - Rod training for hub devices consisting of articulated rods (Nuernberger Scheren) : de en
  • DE739658C - Control for moving multi-level conveyor baskets : de en
  • GB556290A - Improvements in or relating to towing brackets for agricultural implements : en
  • US2330494A - Coating apparatus for yarn holders : en
  • US2330632A - Means of radiating heat : en
  • CH229084A - Process for the preparation of the monophosphoric acid ester of 3,3'-methylene-bis-4,4'-oxy-coumarin. : de en
  • CA415489A - Alkaline detergent : en fr
  • US2330771A - Contact switch for ball rolling games : en
  • US2330580A - Preselecting gear change : en
  • CA415472A - Resilient cable actuated door : en fr
  • CA415452A - Discharge device getter mounting and flashing device : en fr
  • CH228866A - Heating appliance. : en fr
  • CH228913A - Process for making a processed cheese. : de en
  • US2330652A - Electrical heating element : en
  • DE739584C - Terminal for electrical overhead lines : de en
  • US2330781A - Conveying fluids containing solids : en
  • PL32153B1 - Dornier- Werke G. m. B. H., Friedrichshafen n. B. and Dr. Ing. E. H. Claude Dornier *), Friedrichshafen n. B. 6fluL49 / P0 Brake flap for vehicles, especially for aircraft : en pl
  • DE739542C - Electric vehicle : de en
  • FR885967A - Double-leaf folding door mechanism for railway cars, trams, etc. : en fr
  • BE451926A - : en
  • CA415448A - Incandescent filament and lamp : en fr
  • CH228861A - Insulator. : de en
  • GB556328A - Improvements in and relating to fluid motors and the like : en
  • FR885829A - Concrete blocks for the rapid erection of protective walls against bursting projectiles on the ground : en fr
  • FR885846A - Skip discharge : en fr
  • CH228898A - Thread guides for spinning machines. : de en
  • US2330436A - Water heater : en
  • US2330749A - Ring binder construction : en
  • FR885894A - Process for producing toothed wheels by the dividing process : en fr
  • FR885982A - Process to avoid color haze in chromogenic development : en fr
  • FR886028A - Viewfinder for cameras : en fr
  • US2330783A - Resistance element : en
  • AU117528B2 - Sonic distance indicators : en
  • FR885986A - Process for manufacturing synthetic products such as threads, fibers, ribbons, films, etc. from regenerated cellulose, and more especially from the viscose process : en fr
  • DE739568C - Device for removing the dust deposited on the inner wall of rotating drums as a result of centrifugal force : de en
  • US2330473A - Certain water-soluble high molal oxyalkylated esters and method of making same : en
  • CH228988A - Watch movement. : en fr
  • FR885937A - Process for removing gaseous hydrochloric acid from wood sugar solutions : en fr
  • AU717742A - Combined rattle and teether : en
  • US2330421A - Cylinder construction : en
  • FR886018A - Modulators with dry rectifiers or diodes, in particular symmetrical double modulators for phase-shifting harmonic telegraphy : en fr
  • FR885955A - Distribution for adjustable hydraulic control comprising a pump part and several engine parts : en fr
  • DE739532C - Automatic knife star dough dividing and rounding machine : de en
  • GB556326A - Improvements in electrical signalling systems : en
  • IS142B6 - Improvements to or in connection with building boards or similar components : en is
  • US2330233A - Molded article and method of making the same : en
  • GB556303A - Razor blades sharpener : en
  • USRE22379E - Recovery of pure aromatics : en
  • US2330224A - Quickly removable boot : en
  • CH228962A - Ski binding. : de en
  • FR886027A - Catalyst for catalytic reforming : en fr
  • DK61361C - Method and Apparatus for Preparing Adhesive Surfaces of Paper Containers. : da en
  • FR885871A - Device using remote control to operate switching systems : en fr
  • DE739422C - Process for the production of electrical cables for fixed installation : de en
  • DE739597C - Electric frying pan : de en
  • FR885857A - Opening instrument for canning glasses with rubber seal : en fr
  • US2330767A - Catalyst regeneration : en
  • DE739711C - Internal combustion engine : de en
  • DE739482C - Large wind power plant : de en
  • DE739588C - Large transformer : de en
  • US2330617A - Upholstery construction : en
  • DK61362C - Float Shock Absorber for Piston Pump Pressure Line. : da en
  • US2330468A - Fluid control means : en
  • US2330250A - Telegraph apparatus : en
  • US2330416A - Timing apparatus for clocks and watches : en
  • US2330469A - Method of cold-rolling steel strip or sheet : en
  • DE739559C - Method and device for the production of buttonholes on lockstitch buttonhole sewing machines : de en
  • DE739474C - Concealed door closer : de en
  • CH229055A - Process for the manufacture of capacitors. : de en
  • US2330458A - Shoe sole : en
  • FR885853A - Electric dust collector, especially for automobiles running on generator gas : en fr
  • FR885880A - Arrangement of contacts in small circuit breakers : en fr
  • CA415470A - Coffee percolator : en fr
  • CH228864A - Transportable unit for increasing the output of ovens for domestic purposes. : de en
  • CH228977A - Combined current and voltage measuring device for very high voltages. : de en
  • CH229088A - Clip for making permanent waves. : de en
  • GB556382A - Improvements in or relating to evaporators : en
  • US2330195A - Guide for endless tracks : en
  • US2330595A - Laminated body : en
  • DE739682C - Pressure fluid brake for aircraft : de en
  • US2330467A - Fuse : en
  • US2330765A - Padlock : en
  • DE739502C - Magnetic-thermal overcurrent relay : de en
  • FR885867A - Signaling or control device for extraction installation by skips : en fr
  • FR885876A - Gear shift mechanism for cycles and similar vehicles : en fr
  • US2330307A - Process of smelting antimony ore : en
  • CA415478A - Pressure die-casting machine : en fr
  • US2330503A - Process of welding metals electrically : en
  • CH229090A - Intercom amplifiers. : de en
  • GB556251A - Improvements in or relating to harvesting machines : en
  • DE739533C - Process for the production of organic chloronitro compounds : de en
  • US2330279A - Apparatus for use in the shaping of glass sheets or plates : en
  • US2330412A - Planer gauge : en
  • US2330450A - Transfer mechanism : en
  • AU688942A - Target game apparatus : en
  • CH228961A - Device for determining the time between two menstruations that you can conceive. : de en
  • US2330586A - Implement for working the soil : en
  • DE739668C - Process for the production of highly refined pulp from straw : de en
  • DE739714C - Stuffing box packing with packing ring sets inserted in chambers : de en
  • PL32110B1 - Method of obtaining pentomethylene oxide compounds : en pl
  • DE739475C - Device for electrical remote display of measured values : de en
  • CH228886A - Saucepan support. : de en
  • CH228907A - Device for releasably attaching a collar to the collar of the shirt. : de en
  • FR885907A - Automatic device for zero stroke displacement of hydraulic pumps and liquid mechanisms : en fr
  • GB556264A - Improvements in and relating to artificial horizons or gyro-verticals : en
  • US2330198A - Reversing gear : en
  • US2330431A - Ignition system : en
  • DE739517C - Multiplication machine controlled by punch cards with device for result punching : de en
  • DE739710C - Method and arrangement for generating dew and fog : de en
  • US2330218A - Armored vehicle body : en
  • DE739438C - Process for the production of addition products : de en
  • GB556297A - Improvements in reciprocating engines (including compressors or pumps) : en
  • US2330199A - Knitted article : en
  • FR885830A - Device for printing a security sign on securities papers (stocks, bonds, checks, lottery tickets, etc.) and all similar securities : en fr
  • CH229064A - Stabilized reactance tube stage. : de en
  • AU117517B2 - Improvements in or relating to optical systems : en
  • BE451403A - : en
  • AU369841A - Improvements in or relating to devices for simultaneously tuning oscillatory circuits having different resonance frequencies : en
  • BE451833A - : en fr
  • FR885992A - Safety installation for the protection of superheaters of steam generators and remote control devices : en fr
  • GB556255A - Improvements relating to electric fires : en
  • GB556349A - Mixing machine : en
  • GB556374A - Improvements in or relating to the cutting of sheets of resinous or like materials : en
  • FR885978A - Clockwork movement for mechanical bomb delay rockets : en fr
  • GB556317A - Improvements in and relating to tool holders for lathes and like machine tools : en
  • US2330753A - Direct reading rate-of-penetration meter : en
  • DE739487C - Process for the preparation of acid amide-like condensation products : de en
  • US2330609A - Procedure for brightening tin coatings : en
  • FR885897A - Rolling and overturning gravity davit on fixed rails for lifeboats : en fr
  • DE739594C - Process for the production of a healing and protective serum against distemper : de en
  • FR885835A - Cinematographic projection apparatus, in particular amateur cinematographic apparatus : en fr
  • FR885910A - Unlimited hand or foot control device for gear shifting with reverse for motorcycles : en fr
  • GB556296A - Staybolt testing device : en
  • GB556269A - Process for separating or degreasing and separating the component parts of articles such as machines or parts thereof which have become cemented together by corrosion : en
  • DE739464C - Method and device for the mill-drying of moist fuels : de en
  • DE739721C - Motor vehicle with a rear axle sprung across from the car body by soft, unsupported, buckling coil springs : de en
  • AU700942A - Improvements in or relating to selective electrical circuits : en
  • CA415386A - Grain removing device : en fr
  • CA415432A - Portable suction cleaner : en fr
  • GB556388A - Motor control system : en
  • CA415524A - Nitrile and polymer preparation : en fr
  • US2330262A - Packing box and lining therefor : en
  • US2330410A - Baker's sheet : en
  • US2330513A - Closure removing tool : en
  • FR885951A - Metal alloy manufacturing process : en fr
  • PL32172B1 - The method of pulling and local thickening the wall of the open ends of hollow objects and the device for performing this method : en pl
  • US2330364A - Control of fluid compressor systems : en
  • US2330517A - Fishing lure : en
  • US2330460A - Cigarette and cigar holder : en
  • CH229046A - Device for the delivery of synchronized control pulses. : de en
  • CA415510A - Hydrogen peroxide production : en fr
  • US2330676A - Method of separating liquid from gas : en
  • FR885911A - Stabilization of electron tubes : en fr
  • DE739339C - Process for improving the mechanical properties of artificial, fiber-forming polycondensation products : de en
  • DE739633C - Lack of water : de en
  • US2330638A - Electric control circuits : en
  • DE739654C - Method for making syphilis recognizable : de en
  • US2330359A - Inking arrangement for printing presses : en
  • CH229069A - Electrical filter assembly. : de en
  • DE739576C - Process for the production of a feed from cellulose or pulp by the action of salt solutions : de en
  • FR885806A - Electromagnetic clutch for automobiles : en fr
  • US2330203A - Dye intermediate : en
  • US2330685A - Catalyst : en
  • FR885902A - Safety device for filling and closing ampoules of volatile, noxious or flammable products : en fr
  • AU117508B2 - Machine for extruding and blowing organic plastic materials : en
  • DE739620C - Process for increasing the fastness properties of prints with basic dyes and mordant dyes on cellulose fibers : de en
  • FR885866A - Apparatus for using metrophotographic views by projection : en fr
  • AU119437B2 - Improvements in or relating to electrically operated spot welding apparatus : en
  • CH229098A - Device for automatic readjustment of a vibration generator. : de en
  • PL32170B1 - : en pl
  • US2330229A - Can end testing machine : en
  • US2330678A - Liquid pressure remote control system : en
  • US2330441A - Elastic tension cloth specifically adapted to musical instruments, air motors, and airplanes : en
  • CA415449A - Metal treating machine : en fr
  • US2330462A - Regeneration of contact materials : en
  • US2330737A - Rifle mechanism : en
  • US2330735A - Process for refining sulphurcontaining hydrocarbon oils : en
  • US2330193A - Method of making stained glass articles : en
  • US2330415A - Electrolytic alkali chlorine cell : en
  • PL32186B1 - Schering R. G., Berlin Weed melter : en pl
  • US2330204A - Multirotor aircraft : en
  • US2330648A - Reversing split phase motor control : en
  • US2330249A - Ophthalmic mounting : en
  • CH228875A - Rod lock for windows and doors. : de en
  • DE739587C - Winding arrangement for multi-pole machines with grooved armature and damper winding : de en
  • PL32167B1 - Cigar packaging : en pl
  • US2330366A - Apparatus for preventing evaporation from oil storage tanks : en
  • US2330646A - Releasing device : en
  • US2330660A - Tabulating mechanism for accounting machines : en
  • US2330790A - Differential wheel : en
  • US2330485A - Device for use in examining teeth : en
  • CH228863A - Garbage truck with motor drive and a tilting device arranged in front of the pouring device of the garbage collecting container. : de en
  • PL32108B1 - : en pl
  • US2330562A - Electropolishing apparatus : en
  • CH228923A - Process for the preparation of 4-androstenedione-(3,17)-ethylene-ketal-(3). : de en
  • US2330232A - Primer assembly : en
  • US2330674A - Mechanism for improving the dirigibility of ships, submarines, and aircraft : en
  • PL32098B1 - Device for copying drawings : en pl
  • US2330732A - Method of forming helmets : en
  • CH229032A - Winding arrangement on the three single-phase transformers of a three-phase generator. : de en
  • CH229075A - Process for the production of a sugar derivative. : de en
  • CH229138A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • CA415384A - Wool and wool goods processing : en fr
  • CA415447A - Brake control system : en fr
  • US2330558A - High altitude fuel system for aircraft : en
  • US2330219A - Reinforced metal covering for aircraft : en
  • DE739518C - Carburetor device with catalytic processing of the fuel for internal combustion engines : de en
  • CH229121A - Double-walled aircraft window. : de en
  • CH229135A - Double parallel winding, especially for rotor-fed shunt commutator motors. : de en
  • CA415402A - Internal micrometer gauge : en fr
  • US2330318A - Latch-controlled compressor : en
  • US2330343A - Apparatus for fining molten glass : en
  • DE739590C - Arrangement for switching several measurement processes to a cathode ray oscilloscope with the help of square-wave control voltages : de en
  • US2330299A - Vehicle : en
  • US2330418A - Method of treating foundry sands : en
  • US2330754A - Isomerization of hydrocarbons : en
  • FR885922A - Low current ignitron anode for igniting mercury cathode electron tubes : en fr
  • CH229004A - Process for the manufacture of engine pistons pressed from a block. : de en
  • CH229023A - Wind power machine. : de en
  • PL32165B1 - Eisenwerk Rothe Erde G. m. B. H-, Dortmund Rotary bearing for vehicles : en pl
  • US2330194A - Reflecting optical system : en
  • CA415442A - Refrigeration apparatus : en fr
  • CH229116A - Drive device on the axle of electrically powered vehicles. : de en
  • CA415479A - Gyroscopic instrument : en fr
  • CH229010A - Cutting element for a dry razor. : de en
  • FR886023A - Rectification column tray : en fr
  • CA415531A - Shirt envelope : en fr
  • PL32125B1 - Rkciova spolecnost, drive Skodovy zavodyjTPIzni, Prague Anti-skid spur for tracked vehicles : en pl
  • CH228871A - Mold for the manufacture of bricks for the construction of walls with uniform curvature. : en fr
  • US2330425A - Packing ring : en
  • CA415496A - Rotary operator and retainer ring assembly : en fr
  • DE739427C - The use of hard metal alloys for tools : de en
  • CH229130A - Machine tool carriages that can be moved to and fro by means of hydraulic pistons. : de en
  • CH228931A - Process for the preparation of the cyclohexanecarboxylic acid chloride. : de en
  • CH228996A - Aluminum-containing zinc alloy with high toughness at low temperatures. : de en
  • CA415393A - Clothes wringer : en fr
  • PL32145B1 - Sobre Societe Holding Generale de Brevets, Luxembourg A bullet with saw blades : en pl
  • PL32164B1 - Fichtel & Sachs flktiengesellschaft, Schweinfurtb4 ^ * W0t / Freewheel ratchet, especially for bicycle hubs : en pl
  • US2330188A - Heater of fluids : en
  • US2330704A - Hose nozzle : en
  • US2330769A - Duct for air conditioning systems : en
  • DE739649C - Cleaning of barite : de en
  • US2330510A - Adjustable table for masonry saws : en
  • CH228873A - Process for the production of mortar and concrete. : de en
  • CH229047A - Overcurrent delay fuse. : de en
  • US2330681A - Machine and process for knitting hosiery blanks : en
  • US2330709A - Projector : en
  • US2330768A - Igniter : en
  • US2330265A - Explosive trip for well devices : en
  • DE739467C - Automatic rudder control for vehicles, especially aircraft : de en
  • GB556331A - Facsimile system : en
  • US2330381A - Electric communication cable : en
  • US2330553A - Ferric oxide and its preparation : en
  • US2330651A - Reinforced duck and rubber hose : en
  • US2330714A - Preparation of thioaniline : en
  • DE739508C - Process for manufacturing electrical capacitors : de en
  • PL32129B1 - The method of heating and cooling loose materials : en pl
  • DE739646C - Holder for frustoconical deflection electrodes of cathode ray tubes with radial deflection : de en
  • PL32131B1 - : en pl
  • PL32128B1 - A method for dyeing artificial products made of chloroform-soluble cellulose acetate : en pl
  • US2330627A - Extensible tray for upholstered furniture : en
  • US2330641A - Preparation of 4-pyridine sulphonic acid : en
  • US2330508A - System for removing oil films from bodies of water : en
  • DE739562C - Ink container for filling fountain pens : de en
  • DE739688C - Flyer drive : de en
  • FR885971A - Tubular bundle with long tubes compared to their diameter : en fr
  • CA415473A - Paper sheet feeding mechanism : en fr
  • CA415424A - Telephone substation apparatus : en fr
  • GB556248A - Improvements in multi-ply bearings : en
  • DE739671C - Process for the production of metallic offset printing forms : de en
  • CH229030A - Brushless single-phase induction motor with starting torque. : de en
  • DE739345C - Cash register or accounting machine with storage units : de en
  • DE739702C - Receiver with shrinkage control : de en
  • CH229020A - Device for erecting the posts. : en fr
  • PL32155B1 - : en pl
  • FR886037A - Lapping machine : en fr
  • FR885808A - Micromanometer : en fr
  • DE739675C - Subframe for covering an aircraft recess : de en
  • US2330344A - Starting device for electric motors : en
  • US2330554A - Die press attachment : en
  • US2330414A - Bisector : en
  • US2330707A - Production of pattern effects on acetate rayon : en
  • CA415430A - Median device : en fr
  • CH229035A - Unipolar machine with mercury current draw. : de en
  • FR885801A - : fr
  • FR885817A - Mobile thermoelectric power generator unit for all applications : en fr
  • US2330291A - Dye intermediate : en
  • US2330726A - Apparatus for filling containers : en
  • GB556316A - Improvements in or relating to shoe-bottom pressing apparatus : en
  • ES4738Y - Folder for the filing and classification of documents. : en es
  • US2330312A - Starting and operating fluorescent and mercury arc lamps : en
  • US2330717A - Geochemical prospecting : en
  • GB556330A - Improvements relating to sparking plugs : en
  • DE739601C - Holder for fishing line guide rings : de en
  • CA415444A - Brake system : en fr
  • CA415467A - Granular coated article : en fr
  • GB556294A - Improvements in or relating to wind and rain screens and the like : en
  • DE739578C - Process for cleaning liquids in the sugar industry, especially raw juice and pressed water : de en
  • CA415443A - Refrigeration apparatus : en fr
  • CH228928A - Process for the production of a polyether. : de en
  • DK61359C - Method and Apparatus for Mixing, Heat Equalization and Purification of Alternator Gas Air Mixtures. : da en
  • US2330476A - Surgical chair : en
  • US2330779A - Air-cooled engine cylinder : en
  • DE739485C - Device for continuous, even mixing of viscous liquids : de en
  • DE739643C - Double brake magnet for electricity meter : de en
  • FR885886A - Process for preparing oily drying binders for lacquers : en fr
  • US2330563A - Plastic composition and packing device : en
  • US2330518A - Hydraulic jack : en
  • US2330546A - Keyholder : en
  • US2330721A - Method of determining connate water content of cores : en
  • US2330367A - Delivery receptacle : en
  • CH228860A - Parquet floor panel. : de en
  • CH228965A - Machine gun designed as a gas pressure loader. : de en
  • DE739680C - Retractable aircraft landing gear : de en
  • PL32113B1 - The method of producing azo dyes : en pl
  • USD136407S - Design fob a wire fence tool : en
  • CH229026A - Gas turbine plant. : de en
  • DE739510C - Process for the catalytic cracking of hydrocarbon oils : de en
  • GB556272A - Improvements in or relating to abrasive articles and their manufacture : en
  • GB556338A - An improved method of attaching metal rods or tubes to metal plates and the like : en
  • US2330607A - Electrolyte paste and method of making same : en
  • FR885928A - Process for preparing gamma-keto-pimelic dilactone : en fr
  • FR885991A - pre-stressed hollow construction elements : en fr
  • FR885908A - Hydraulic control of regulating pumps : en fr
  • CA415394A - Wringer roll stop : en fr
  • DE739505C - Device for generating short-term current pulses : de en
  • FR885807A - Advanced training in electric and electromechanical oscillators : en fr
  • DE739574C - Friction wheel lighter : de en
  • GB556332A - An improved solid fuel : en
  • CA415514A - Railway car floor protection : en fr
  • US2330419A - Oil well pumping unit : en
  • US2330693A - Shield for pustules from vaccination against smallpox : en
  • CH228970A - Glideslope landing procedure. : de en
  • US2330606A - Integrating mechanism : en
  • CH228957A - Automatic fade device for cinematographic cameras. : en fr
  • AU117509B2 - Method and apparatus forthe heat-sealing of plies of thermoplastic film : en
  • CH229058A - Contact converter for heavy current. : de en
  • US2330213A - Concrete road construction : en
  • US2330564A - Mud ejection control : en
  • US2330639A - Safety razor appliance : en
  • USD136401S - Design for a finger ring : en
  • US2330380A - Process of making pyrimidine compounds : en
  • US2330740A - Dewaxing process : en
  • DE739501C - Differential protection with percentage relay : de en
  • DE739566C - Method and device for transmission and recording of signals, events and the like. like : de en
  • CH229139A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • CA415494A - Doll eye assembly : en fr
  • CA415534A - Purified alcohol sulphate : en fr
  • CH229042A - Electric switch. : de en
  • US2330437A - Mining apparatus : en
  • US2330677A - Drive mechanism : en
  • CA415512A - Gas purification and separation process : en fr
  • CH228982A - Projection device for showing still images. : de en
  • US2330314A - Manufacture of nonwoven fabrics : en
  • PL32140B1 - fif fh-aA 4fo Rheinmetall-Borsig flktiengesellschaft, Berlin Self-propelled firearm with a sliding barrel : en pl
  • CH229007A - Workbench support. : de en
  • AU598742A - Method and apparatus forthe heat-sealing of plies of thermoplastic film : en
  • CA415506A - Cereal grain washing machine : en fr
  • DK61347C - Air supply device for Gas Generators with Swivel grille. : da en
  • GB556257A - Improvements in or relating to hydraulic apparatus : en
  • FR885999A - : fr
  • AU117626B2 - Improvements in or relating to cast hard metal alloys : en
  • DE739536C - Manufacture of flux pastes for arc welding electrodes : de en
  • GB556263A - Improvements in or relating to electric hand torches : en
  • AU622442A - Zinc coated sheet and method of making same : en
  • CH228874A - Device for thawing ice in objects containing water, especially in water pipes, drain pipes and car radiators. : de en
  • DE739609C - Filter connection piece for gas masks : de en
  • GB556318A - Improvements in and relating to reels : en
  • DE734323C - Support frame for transverse telescopes, especially range finders : de en
  • DE739553C - Hoist : de en
  • FR885933A - Process for the preparation of n, n'-disubstituted condensation products of the nature of urea : en fr
  • FR886036A - Calibration method and apparatus : en fr
  • GB556346A - Improvements relating to fluid seals : en
  • US2330305A - Truck bolster suspension means : en
  • US2330582A - Circuit arrangement : en
  • DK61342C - Coupling to Ultra High Frequency Amplifiers. : da en
  • FR886012A - Process for making paper of mineral fibers, in particular slag wool or glass wool : en fr
  • CH228936A - Process for the production of a new azo dye. : de en
  • FR885854A - Process for preparing esters useful as softeners : en fr
  • FR885891A - Bath for the electrolytic production of shiny coatings in brass, copper, zinc, cadmium, and its preparation process : en fr
  • GB556336A - Improvements relating to mining machines and the like : en
  • US2330720A - Cardboard container : en
  • CA415395A - Duplex facsimile transceiver : en fr
  • GB556277A - Improvements in or relating to nozzles for distributing coolant liquid : en
  • FR885848A - Contact material for relays, cam switches or the like, in particular for telegraphy : en fr
  • DE739522C - Process for the production of boil-proof foods from potato starch : de en
  • PL32171B1 - Societe flnonyme des Hauts-Fourneaux & Fonderies de Pont — a — Mousson, Pont — a — Mousson A pipe or tubular part, a method for producing it and a device for carrying out this method : en pl
  • US2330216A - Apparatus for seismic prospecting : en
  • US2330430A - Label affixer : en
  • GB556309A - Improvements in or relating to machines for setting eyelets or the like : en
  • GB556368A - Improvements in apparatus for winding electro motor or dynamo armatures : en
  • DE739656C - Work table for making fish fillets by hand : de en
  • DE739694C - Fat-free detergents and cleaning agents : de en
  • GB556366A - Chain links : en
  • US2330361A - Method of and apparatus for producing bags : en
  • US2330384A - Machine for beveling oars : en
  • DE739645C - Process to avoid the oxidation of glow cathodes when treating photocathodes in the same electrical discharge vessel with oxygen : de en
  • FR885947A - Folding process for cardboard boxes or other products that fix subjects in a given position and their stability : en fr
  • CH228903A - Thread spool for shuttles of sewing machines. : de en
  • DE739479C - Fireproof pouring compound : de en
  • FR885859A - Device for forced balancing of high frequency lines : en fr
  • FR885900A - New manufacturing process for spring shuttle spindles and resulting product : en fr
  • GB556243A - Electricity conductor unit and method of using same : en
  • GB556387A - Improvements relating to self-locking nuts : en
  • DE739540C - Photometer : de en
  • US2330755A - Pipe-line control system : en
  • GB556276A - Improvements in diamond-holding tool : en
  • GB556333A - Improvements relating to means or devices for uprooting bushes and the like : en
  • US2330743A - Beet lifter : en
  • CA415440A - Polyamide preparation : en fr
  • GB556329A - Improvements in and relating to windshield wiper motors : en
  • PL32162B1 - Method of improving the physical and strength properties of construction steels% : en pl
  • US2330266A - Cementing plug : en
  • US2330596A - Filling machine : en
  • GB556342A - Improvements relating to gas pokers : en
  • DE739161C - Wing pump : de en
  • FR886044A - Bleaching and detergents : en fr
  • US2330493A - Tapered plug valve : en
  • CH228924A - Process for the preparation of a nitrogen phosphoric acid compound suitable for complex salt formation with metal ions. : de en
  • PL32157B1 - The method of making washers : en pl
  • US2330394A - Detection of salt in drilling fluids : en
  • CH229031A - High voltage transformer with a not completely iron-closed magnetic circuit. : de en
  • US2330407A - Overdrive control system : en
  • FR885921A - Device for frying fish and other materials : en fr
  • US2330328A - Apparatus for dispensing hypochlorites : en
  • USD136406S - Portable aerodrome light : en
  • CH229105A - Method and device for the machine production of prismatic packs. : de en
  • US2330301A - Resilient wheel : en
  • US2330526A - Polarized relay control : en
  • US2330665A - Suction cleaner : en
  • US2330778A - Copyholder : en
  • US2330496A - Stuffing machine : en
  • US2330751A - Reduction apparatus : en
  • CA415526A - Static-resistant tire : en fr
  • US2330336A - Apparatus for pumping fluids : en
  • US2330457A - Stationery package : en
  • US2330675A - Clip : en
  • US2330708A - Apparatus for withdrawing liquids from closed containers : en
  • CH228859A - Component for the production of structures in the form of hollow bodies, such as silos, towers, chimneys, shafts and the like. : de en
  • US2330275A - Injector discharge control valve : en
  • CH229054A - Fluorescent screen for cathode ray tubes. : de en
  • DE739538C - Process for the production of threads or films from solutions of cellulose : de en
  • DK61357C - Antifungal agent and method of preparation. : da en
  • FR885948A - Improvements to diverter systems for television receiving tubes : en fr
  • GB556373A - Labels : en
  • GB556361A - Improvements relating to filters : en
  • FR885802A - Aircraft propulsion system for high speeds : en fr
  • FR885950A - Manufacturing process of enamels, multicolored glazes, etc. : en fr
  • GB556298A - Reduction in variable speed gear : en
  • CA415513A - Golf club : en fr
  • DK61344C - Electromagnetic Motor. : da en
  • CH228951A - Device for controlling winding devices depending on the tension of the wound material. : de en
  • CH228995A - Process for the production of aluminum. : de en
  • US2330623A - Cross-country motor vehicle : en
  • CA415511A - Peroxide production : en fr
  • US2330616A - Fluid dispensing means : en
  • US2330227A - Parasiticidal composition and method of preparation : en
  • US2330696A - Window : en
  • CA415525A - Alkoxy propionitrile production : en fr
  • CH228987A - Waterproof watch box. : en fr
  • DE739460C - Sound absorption in lines with a smooth passage to which resonators of different natural frequencies are connected : de en
  • FR885904A - Articulated coupling, especially for rolling mills : en fr
  • GB556299A - Catalytic method and apparatus : en
  • CH228926A - Process for the preparation of a mixture of high molecular weight ester glucosides. : de en
  • US2330514A - Whip roll controlled letoff for looms : en
  • CH229014A - Method of sealing castings. : de en
  • US2330528A - Rotary internal combustion motor : en
  • US2330673A - Flashlight : en
  • AU117529B2 - An improved device or implement for collecting and delivering grass hay andthe like for subsequent loading : en
  • US2330682A - Method and apparatus for television communication : en
  • DE739672C - Device for fastening and adjusting the blades of an axial pump impeller : de en
  • US2330405A - Power transmission belt : en
  • US2330568A - Double parallel spray bar : en
  • DE739476C - Device for driving the work rolls on cards : de en
  • DE739543C - Vibrating sieve for coal containing lignite : de en
  • US2330486A - Drive mechanism : en
  • US2330426A - Radial drill : en
  • AU669042A - Drainage implement : en
  • US2330521A - Receptacle : en
  • US2330310A - Pouring spout : en
  • CA415463A - Luminescent coating applying method : en fr
  • CA415527A - Elastic-fluid turbine : en fr
  • DE738080C - Process for producing color photographic images by color development : de en
  • PL32135B1 - Dr. Waldrich K. G., Siegen Machine tool for processing raw blocks : en pl
  • GR10157B - METHOD FOR PLASTICATION OF LINEAR HYPOLYMERS. : el en
  • US2330241A - Radio receiving device : en
  • US2330545A - Desiccating apparatus : en
  • US2330251A - Fireproofing textile materials : en
  • US2330601A - Arc welding low-carbon steel with a carbon electrode : en
  • CA415427A - Electrical signalling system : en fr
  • CH228953A - Plug-in device on booking machines and similar writing machines. : de en
  • US2330507A - Bracket : en
  • ES4807Y - Folding chair. : en es
  • FR885837A - Flat knitting machine for making plush knitting plucked by a single needle : en fr
  • DE739484C - Card index : de en
  • CH229096A - Multipurpose tube amplifier. : de en
  • FR885954A - Protective device, especially for sharp blades of tissue cutting machines : en fr
  • FR886026A - Butt welding process : en fr
  • US2330539A - Catalyst : en
  • US2330397A - Variable-speed power unit : en
  • AU700342A - An improved device or implement for collecting and delivering grass hay andthe like for subsequent loading : en
  • DE739491C - Arrangement to secure the position of the salt precipitation zone in forced flow tube steam generators : de en
  • DE739595C - Process for the production of cosmetic and pharmaceutical water-in-oil emulsions : de en
  • PL32190B1 - Manufacture of items for the toy industry and the like : en pl
  • US2330242A - Reamer : en
  • CH229061A - Device for sealing separation points of separable transmission tubes. : de en
  • CH229065A - Winding machine for electric coils, in particular magnetic coils. : de en
  • DE739695C - Process for the preparation of pyridinium compounds : de en
  • CA415522A - Measuring apparatus : en fr
  • CH228862A - Device for closing off water pipes with a closure body designed as a segment. : de en
  • US2330296A - Power transmitting device : en
  • FR885975A - Workpiece advance system in cylindrical workpiece grinding machines : en fr
  • GB556305A - Improvements in electronic valves especially for the assembling of the mounts : en
  • US2330794A - Connecting and guiding means for endless tracks and the like : en
  • GB556306A - Improvements in or relating to articles of wearing apparel : en
  • US2330629A - Machine for the automatic production of wire tyings for packets : en
  • US2330766A - Builder's safety, horse clamp : en
  • US2330288A - Portable climber : en
  • US2330391A - Sash pulley brake : en
  • FR886034A - Ferrous metal flame cutting processes and apparatus : en fr
  • DE739621C - Card index with staggered finding strips to the side : de en
  • DE739630C - Process for the production of water-soluble cellulose ether in powder form : de en
  • GB556293A - Improvements in hose handling apparatus : en
  • CA415498A - Vitrified diamond grinding wheel : en fr
  • CH228858A - Woodhouse. : de en
  • CH229062A - Vacuum-tight, electrically insulating pipe connection. : de en
  • US2330519A - Stop for picker mechanisms : en
  • DE739615C - Automatic distribution and control device for pressure medium brakes of vehicles : de en
  • US2330455A - Hinge : en
  • US2330619A - Combined mailing wrapper and cover for magazines and the like : en
  • US2330492A - Strength-testing machine : en
  • FR886011A - Speed regulator for three-phase electric motor mining machine : en fr
  • DE739481C - Device on closed centrifugal machines for remixing the heavier and the lighter part of the centrifuged liquid : de en
  • FR886015A - Carrier frequency system, in particular for wireless transmission of frequency modulated broadcasts : en fr
  • GB556270A - Reactivation of catalysts : en
  • US2330346A - Carton : en
  • US2330549A - Method of fabricating piston rings : en
  • US2330342A - Speed controller : en
  • US2330351A - Method of making rubber articles : en
  • CA415414A - Synthetic resin : en fr
  • FR885979A - Stable frequency generator lamp : en fr
  • IE16421L - Packing for chemicals : en
  • FR885819A - Improvements to electric resistance welding machines by approximation : en fr
  • FR886045A - Improvements to refrigerated cabinets : en fr
  • FR885980A - Remote electromagnetic release for photographic shutters : en fr
  • US2330317A - Foot contour template : en
  • US2330362A - Machine gun : en
  • US2330491A - Cylinder bearer lubricator : en
  • US2330538A - Combined safety guard and toy : en
  • FR885985A - Compared current direction protection system : en fr
  • PL32187B1 - The way of tanning : en pl
  • DE739653C - Process for obtaining a fat rich in vitamin D from cocoa shells : de en
  • US2330254A - Article of manufacture : en
  • CH229131A - Collet. : de en
  • US2330520A - Lady's garment : en
  • US2330581A - Power transmission : en
  • CA415415A - Ore dispersing agent : en fr
  • CH229056A - Contact converter with switching reactors. : de en
  • DE739603C - Non-rotatable connection between the hub of a universal joint and the tubular shaft of a cardan shaft : de en
  • US2330463A - Water cooler : en
  • US2330211A - Filter treatment : en
  • US2330247A - Closure for truck tanks and the like : en
  • US2330604A - Cathode ray tube : en
  • US2330659A - Cementing plug : en
  • US2330448A - Packaging means for shipping articles in containers : en
  • GB556273A - A manufacture of new mordant dyestuffs : en
  • FR885882A - Process for the production of sodium sulfide : en fr
  • FR885912A - Potato harvester : en fr
  • US2330442A - Golf player's mask : en
  • US2330628A - Magnetic lenses for electronoptical apparatus : en
  • FR885923A - Filter bag for disc filters : en fr
  • FR886006A - Disazo noun dyes containing copper and methods of manufacture : en fr
  • GB556274A - Improvements in or relating to machines for regrinding worn crankshafts : en
  • CA415476A - Electrolytic cell : en fr
  • FR885973A - Workpiece support frame in grinding machines : en fr
  • FR885969A - Manufacturing process of plated metal parts : en fr
  • FR886049A - Improvements made to the reinforcements or reinforcements of plates or other insulating elements made of artificial resin foam, as used for cold insulation : en fr
  • US2330625A - Filter : en
  • DE739575C - Dry dressing of seeds : de en
  • FR885877A - Method of removing hydracids from halogenated organic compounds : en fr
  • CA415486A - Automotive generator regulator : en fr
  • US2330695A - Eye washing device : en
  • PL32159B1 - Method of removing wool from skins : en pl
  • PL32179B1 - : en pl
  • DE739716C - Method for producing custard starch from potato starch : de en
  • US2330724A - Method of magnesium production : en
  • DE739471C - Pressure device for thin perforated disks on meat chopping machines that rotate with the conveyor screw : de en
  • CH228937A - Process to improve the technical properties of semi-drying and drying oils of all kinds. : de en
  • GB556260A - Device for use when slicing bread : en
  • CA415485A - Composite metal part manufacture : en fr
  • CH229025A - Device for heating power plants with liquid-cooled internal combustion engines, in particular for motor vehicles. : de en
  • CH229094A - Push-pull transmission stage. : de en
  • DK61370C - Electromagnetic Hammer or Percussion. : da en
  • FR885838A - Improvements to fittings for shoes, galoshes, clogs, etc. : en fr
  • CH228954A - Latching device on a typing machine. : de en
  • US2330390A - Service terminator : en
  • US2330662A - Method for making window run : en
  • CH229011A - Tweezers. : de en
  • US2330534A - Muffler : en
  • US2330428A - Manufacture of calcium carbonateadhesive coatings : en
  • USRE22382E - Rock drill : en
  • FR885831A - Control device for reciprocating piston pump or compressor : en fr
  • US2330392A - Centrifugally operated mercury switch : en
  • CH228934A - Process for the production of a new, red monoazo dye. : de en
  • FR885966A - Disinfectant agents : en fr
  • FR886014A - Position adjustment with two independent devices : en fr
  • CH228872A - Process for the production of a cellular mass which hardens by setting. : de en
  • CA415528A - Dynamo-electric machine : en fr
  • CH228912A - Shoe. : de en
  • CH228929A - Process for the preparation of thiophanone (3) carboxylic acid ethyl ester. : de en
  • GB556341A - Improvements in or relating to electric measuring instruments : en
  • DE739698C - Use of carbon-free or low-carbon alloys as a material for permanent magnets : de en
  • US2330780A - Trolley derailer : en
  • DE739551C - Push button for bags, suitcases or similar containers : de en
  • CH229015A - Ring spring. : de en
  • CH229136A - Device for the cementless connection of post insulators with their reinforcement parts. : de en
  • DK61364C - Gripping means for Machines for Closing Bottles with Closing Discs. : da en
  • FR885917A - Sound-absorbing plate and sound-absorbing wall, made up of several of these plates : en fr
  • CH228985A - Barrel spring with sliding flange. : en fr
  • AU117630B2 - Improvements in wire strainers : en
  • DE739681C - System for driving work cells, in particular adjusting struts in aircraft : de en
  • DE739691C - Shear drum : de en
  • US2330439A - Switch mechanism : en
  • US2330472A - Certain water-soluble high molal oxyalkylated esters and method of making same : en
  • PL32183B1 - A device for loosening the wet separated and dried phlegm of flax, cannabis or similar plants : en pl
  • GB556291A - Improvements in or relating to water cooling towers or like structures : en
  • FR886039A - Device allowing the correct supply at all speeds of engines powered by gaseous fuels : en fr
  • GB556283A - Improvements in agricultural drainage : en
  • DE739583C - Condenser microphone : de en
  • DE739693C - Press for forming sheet metal with a bag-shaped press cushion : de en
  • GB556286A - Improvements in centrifugal gas cleaners : en
  • US2330762A - Molding machine : en
  • DE739726C - Thermoelectric vacuum meter : de en
  • FR885988A - Electric wave amplifier systems : en fr
  • CH228878A - Solid fuel burner. : en fr
  • CH228978A - Device indicating when a gas mixture becomes explosive. : en fr
  • US2330691A - Package : en
  • DE739657C - Device for monitoring moving traction organs and similar elongated organs in conveyor systems : de en
  • DK61355C - Imaging Reflector System with Convex Secondary Mirror. : da en
  • CH228865A - Method for operating a liquid heating system, and heat exchangers for carrying out the method. : de en
  • DE739689C - One-piece seal made of several materials : de en
  • GB556247A - Improvements in metal bearing surfaces : en
  • US2330592A - Nozzle illuminating means : en
  • CH229111A - Holders, in particular for use on bicycles, motorcycles, automobiles and other vehicles. : de en
  • US2330444A - Rearview mirror for vehicles : en
  • PL32101B1 - Mauser Kommaridit-Gesellschaft, Koln-Ehrenfeld The cover for the shaft constituting the reserve emergency exit from the air raid shelter : en pl
  • DK61368C - Procedure for Mixing the Separated Components of a Centrifugation Material and Centrifuge for Exercising the Procedure. : da en
  • GB556360A - Improvements in or relating to photographic processes : en
  • FR886030A - Lamellar glass and its manufacturing process : en fr
  • FR885890A - Drive unit for sidecar motorcycles : en fr
  • DE739625C - Arrangement for the forced commutation of the anode currents of converters : de en
  • CA415459A - Multiple layer ignitor : en fr
  • US2330376A - Robert p : en
  • US2330786A - Guide for endless tracks : en
  • US2330585A - Combined shipping and display container : en
  • US2330543A - barthelmes : en
  • US2330730A - Turbine gland apparatus : en
  • GB556377A - Improvements in and relating to lead-in arrangement for electric discharge devices : en
  • GB556364A - Improvements in or relating to the manufacture of plastic materials : en
  • FR885899A - Method and device for controlling the air condition around air-conditioned enclosures : en fr
  • US2330453A - Gauge : en
  • FR885834A - Process for increasing the inhibitory power of fluorides with regard to fermentation : en fr
  • GB556241A - Improvements in or relating to suspension systems for vehicles of the track laying type : en
  • GB556320A - Improvements in television system : en
  • US2330282A - Manufacture of continuous sheets or webs of plastic material : en
  • FR886038A - Process and apparatus intended for the carbonization of wood, with recovery of the products of pyrogenic distillation of the materials used : en fr
  • US2330536A - Means for locking vehicles against self-propulsion : en
  • FR886033A - Method and apparatus for preparing a continuous strip of softened or polished glass : en fr
  • CH229087A - Heating pads for creating permanent hair waves. : de en
  • FR885833A - Process for the production of small objects in aluminum oxide : en fr
  • US2330289A - Method of building up surfaces : en
  • PL32107B1 - Process for the preparation of a copper oxide catalyst used in the dehydrogenation of alcohols : en pl
  • AU598142A - Machine for extruding and blowing organic plastic materials : en
  • AU673742A - Sonic distance indicators : en
  • CH228947A - Process for the production of surfaces with a uniform appearance on workpieces made of magnesium alloys, in particular on injection and pressure castings. : de en
  • CH228990A - Method of operating a timer. : de en
  • AU117530B2 - An improved package : en
  • US2330234A - Insecticide : en
  • CH229085A - Process for the preparation of a crystallized, cardiac glycoside from Adonis vernalis L. : de en
  • AU117638B2 - Improvements inthe canning or packing of meat andother food products : en
  • CH228911A - Shoe running part. : de en
  • CA415392A - Brake pivotal means : en fr
  • CH229021A - Axial turbomachine with compensating piston. : de en
  • DE739624C - Fertilizer : de en
  • US2330611A - Reverse twist barbwire machine : en
  • DE739448C - Process for the preparation of ointments containing acylated sulfonamides which are easily absorbed through the skin : de en
  • DE739495C - Pendulum furnace for glowing small pieces : de en
  • DE739608C - Balanced, position-insensitive spring-loaded sleeve governor for power machines : de en
  • AU117639B2 - Improvements relating to electromagnetic telephone instruments : en
  • US2330280A - Date indicator primarily for use with timepieces : en
  • US2330240A - Steam generator : en
  • BE452027A - : en fr
  • PL32106B1 - Drilling rig in the shape of a tripod : en pl
  • GB556344A - Novel or improved means for recording the frequency of alternating electric current supply : en
  • DE739473C - Key lock : de en
  • FR885814A - : fr
  • GB556308A - An improved boring or drilling tool : en
  • AU709242A - Improvements in wire strainers : en
  • US2330752A - Rate-of-penetration indicator : en
  • PL32150B1 - Method for producing ferrous alloys with low carbon content in an induction furnace : en pl
  • US2330540A - Volumetric compressor : en
  • US2330686A - Tool spindle with removable projection : en
  • US2330722A - Condensation product and method of preparing and using same : en
  • US2330311A - Collapsible container and method of producing it : en
  • CH228942A - Process for the preparation of a curable resinous condensation product. : de en
  • CH228881A - Wood gas generator system for automobiles. : de en
  • DE739611C - Automatic rudder control for vehicles, especially aircraft : de en
  • PL32126B1 - HKP FAZ, * 4i / M flkciova spolecnost, dnve Skodovy zavody v Plzni, Praga and Bohdan Pantoflicek, Pilzno — Lochotin Smooth-barreled shell : en pl
  • US2330622A - Guiding and controlling device for cowlings : en
  • USD136414S - Design for a buckle : en
  • CH229091A - Method and circuit arrangement for compensating for changes in the gain of electron tubes of an amplifier. : de en
  • DE739602C - Control drive for the valves of radial engines, especially multiple radial engines : de en
  • CH228979A - Device for determining the relative humidity in the event of temperature changes, in particular for ventilation purposes. : de en
  • CH229106A - Automatic tube closing device. : en fr
  • CH228997A - Aluminum alloy. : de en
  • US2330267A - Well cementing apparatus : en
  • US2330527A - Polymerization of styrene-type compounds : en
  • CH229125A - Process for the preparation of a condensation product. : de en
  • US2330320A - Contact breaker for ignition apparatus : en
  • FR885805A - Method and apparatus for gradually advancing the material to be treated through the chamber of furnaces, in particular tunnel furnaces or the like : en fr
  • AU117511B2 - Zinc coated sheet and method of making same : en
  • DE739459C - Ball joint pipe connection for exhaust pipes of internal combustion engines, especially aircraft engines : de en
  • US2330309A - Stoker : en
  • US2330321A - Rotary printing press : en
  • US2330365A - Abrasion resistant coating : en
  • US2330649A - Tractor driven corn shocker : en
  • US2330739A - Hydraulic braking system : en
  • DK61360C - Procedure for the manufacture of a filler for sweets and confectionery. : da en
  • US2330710A - Regeneration of catalysts : en
  • PL32147B1 - Stefan Rybicki, Izabelin CyG + C ^ * '/%. * Leveling cross : en pl
  • AU117507B2 - Improvements in or relating to driving arrangements for lifts : en
  • DK61363C - Clamping device for clamping axles, in particular for use in setting up bicycle wheels. : da en
  • CH229060A - Electrode entry for discharge apparatus with vapor or gas discharge path in metal vessel. : de en
  • CA415397A - Axle journal lubricator : en fr
  • CH229112A - Luggage racks for bicycles. : de en
  • DE739490C - Device for continuous dehairing of boiler feed water : de en
  • US2330273A - Manufacture of sandals : en
  • CH228921A - Process for the separation of the gas developed in an electrolyte decomposer from the electrode surface. : de en
  • CA415396A - Hydraulic drive : en fr
  • CA415465A - Anti-leak cooling fluid : en fr
  • CH229000A - Method and device for manufacturing rotors for compressed air generators. : de en
  • DE739663C - Self-igniting, air-compressing internal combustion engine : de en
  • CH228943A - Water softeners. : de en
  • CH228950A - Process for the production of cellulose from flax and hemp shives. : de en
  • PL32132B1 - The method of producing azo dyes : en pl
  • BE451942A - : en fr
  • AU117513B2 - An improved control for welding torches : en
  • AU117520B2 - Electric wave system : en
  • US2330223A - Aminothiazole from chloroacetal : en
  • US2330202A - Method of making electrodes : en
  • CH229068A - Inductance with a ground core. : de en
  • US2330774A - Mixing device : en
  • FR885903A - Method of use as a means of heating the heats of combination, dissolution, dilution, absorption and the like : en fr
  • DE739626C - Heating device for electric travel equipment : de en
  • FR886021A - Foundations for fast moving machines : en fr
  • PL32143B1 - Maschinenfabrik Augsburg Nurnberg fl. G., Nuremberg High-speed diesel engine with blowing and landing : en pl
  • CH229123A - Warehouse with facilities for protection against rodents. : de en
  • US2330731A - Ski foot pad : en
  • US2330294A - Container : en
  • PL32124B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven Television broadcasting equipment : en pl
  • US2330557A - Vehicle suspension and steering mechanism : en
  • US2330323A - Fountain brush : en
  • US2330647A - Tracer control for material working machines : en
  • US2330746A - Weighing device : en
  • CH228870A - Fireplace hat. : de en
  • CH228908A - Rain protection device for cyclists. : de en
  • DE739477C - Toy throwing plane with wings unfolding when transitioning into gliding position : de en
  • CH229095A - Magnetron array for transmitting and receiving directed oscillations of the microwave region. : de en
  • US2330479A - Beneficiation of low grade coal : en
  • US2330464A - Dispensing receptacle : en
  • AU506642A - Method and apparatus for casting diamond studded tools : en
  • BE452032A - : en
  • CA415484A - Engine control apparatus : en fr
  • CH229059A - Contact arrangement for mechanical converters. : de en
  • DE739511C - Process for the production of colloidal silver preparations : de en
  • CH228902A - Lockstitch shoe sewing machine. : de en
  • FR885977A - Ship hull : en fr
  • US2330760A - Cracking and distillation of oils : en
  • PL32152B1 - Bernard Gabriel Marie Muselier, Paris Liquid meter and connection system with this quantometer : en pl
  • AU117525B2 - Improvements in or relating to selective electrical circuits : en
  • US2330255A - Semicarton : en
  • CA415406A - Tow bar : en fr
  • CH228973A - Device for separating air from a flowing liquid. : de en
  • US2330603A - Angle measuring instrument : en
  • US2330633A - Wheel suspension, especially for motor cars : en
  • CA415521A - Olefin hydrocarbon conversion : en fr
  • CA415388A - Conveyer apron : en fr
  • US2330624A - Receptacle : en
  • AU117516B2 - Drainage implement : en
  • CH228972A - Device for dispensing measured amounts of liquid that are always the same. : de en
  • CH229118A - Motorized rudder laying device for aircraft. : de en
  • DE739586C - Permanent magnet for electric bicycle alternators : de en
  • FR886019A - Three-legged iron core for choke coils and other similar devices : en fr
  • CH229076A - Process for the manufacture of a medicament. : de en
  • CH229092A - Arrangement for frequency-dependent attenuation compensation of overhead lines. : de en
  • PL32180B1 - The method of producing glue : en pl
  • US2330759A - Circuit-controlling apparatus : en
  • DE739679C - Swiveling aircraft landing gear : de en
  • CA415438A - Magnetic suspension : en fr
  • US2330567A - Feed apparatus for profile copying machines : en
  • GB556244A - Improvements in or relating to wear-resisting nails or the like : en
  • CH229009A - Grinding machine. : de en
  • DE739560C - Grinding machine for processing flat interior walls : de en
  • US2330258A - Trip device for well apparatus : en
  • CA415516A - Paper processing : en fr
  • DE739426C - Covered, high-alloy arc welding electrode, which results in an austenitic structure in the weld metal : de en
  • FR885930A - Process for producing solid polyethylene and polyisobutylene solutions : en fr
  • US2330664A - Oxidation catalyst : en
  • AU214741A - Improvements in or relating to optical systems : en
  • CA415482A - Cathode ray tube : en fr
  • GB556352A - Improvements in or relating to sifting apparatus : en
  • PL32139B1 - Process for the production of sulfur dioxide and Portland cement from calcium sulphate and common additives containing glycosilicate : en pl
  • US2330308A - Covering wheel for planting equipment : en
  • PL32185B1 - The method of separating and leaching the fibers of the stalks of stalk plants : en pl
  • FR885872A - Method of fixing by firing non-precious metal parts and others in ceramic masses, in particular for dental prostheses : en fr
  • USD136416S - Design for a blouse : en
  • US2330285A - Wheel body for dual demountable rims : en
  • GB556280A - Method of locating electrodes within an envelope : en
  • GB556271A - Improvements in means for feeding forward the stock in wire or bar lathes and other machines : en
  • GB556300A - Improvements in or relating to the supporting and driving of propeller shafts : en
  • FR886047A - Electric heated washing machine : en fr
  • GB556319A - Improvements relating to radio receivers : en
  • FR885820A - Phase shift compensation device in potential transformers : en fr
  • CH228885A - Filters for gas generators. : de en
  • CH228983A - Process for the generation of a microscopic image, in which an electron-optical image is further enlarged while it is being created by a light-optical microscope while simultaneously being irradiated with photographically ineffective light. : de en
  • DE739676C - Single-blade helicopter : de en
  • US2330723A - Garment hanger : en
  • US2330542A - Dewatering of suspended solids : en
  • US2330504A - Dispersion of polyisobutylene in aqueous mediums : en
  • US2330719A - Rocker arm support : en
  • CH228944A - Process for producing protective layers on workpieces made of aluminum and aluminum alloys by anodic treatment. : de en
  • CH228938A - Process for the production of an impregnation mass and impregnation mass produced by the process. : de en
  • DK61346C - Gas generator with a metallic, vaulted Filling cap. : da en
  • US2330256A - Tablet dispenser : en
  • US2330271A - Machine for treating hides and skins : en
  • US2330304A - Agricultural implement : en
  • DE739639C - Device for recycling the rainwater from a steam heater for rail vehicles : de en
  • FR885913A - Haveuse, or similar machines of flat construction : en fr
  • GB556343A - A method and apparatus for measuring the diameters of screw threads : en
  • DE739563C - Heel iron : de en
  • PL32133B1 - Kolnische Gummifaden-Fabrik vormaIs Ferd. Kohlstadt & Co., Cologne and Friedrich Eilfeld, Grobzig Nozzle for making sharp-edged threads from rubber or similar springs : en pl
  • DE739606C - Method and device for processing surfaces with a rotating tool : de en
  • DK61343C - Two-part mounting bracket for electrical wires for placement in damp rooms. : da en
  • US2330495A - Range : en
  • US2330748A - Brake beam strut : en
  • US2330393A - Bomb : en
  • GB556285A - Improvements in and relating to jettisoning mechanisms for the cowling of aircraft cockpits : en
  • FR885887A - Method and apparatus for automatically separating materials of different densities : en fr
  • FR886032A - Special assembly for shutters or other joinery with optional variable closing device, perforation and ventilation : en fr
  • DE739647C - Arrangement for checking the position of the cathode ray in Braun tubes : de en
  • FR885826A - Refining and homogenization of pasty or semi-liquid materials : en fr
  • FR885925A - Process for the production of galvanic deposits on zinc alloys : en fr
  • GB556363A - Improvements in selective shaft positioning apparatus : en
  • CA415475A - Plunger pumping apparatus : en fr
  • FR885934A - Underarms : en fr
  • US2330716A - Geochemical prospecting : en
  • CH228945A - Process for the production of protective layers on work pieces made of magnesium and magnesium alloys by anodic treatment. : de en
  • US2330246A - Connecting and guiding means for endless tracks and the like : en
  • US2330253A - Belting : en
  • CA415389A - Safety match box : en fr
  • US2330591A - Fixture and mounting bracket therefor : en
  • DE739470C - Device for repeated evaporation of water, especially sea water : de en
  • DE739662C - Mixture-compressing two-stroke internal combustion engine working with cross scavenging : de en
  • GB556384A - Improvements in and relating to clogs : en
  • FR885827A - Improvement in oscillating reciprocating pumps : en fr
  • FR885881A - Small multi-pole circuit breaker : en fr
  • FR886008A - Process for obtaining paraffin free of oil : en fr
  • PL32175B1 - Georg Hoffmann, Nuremberg Diaphragm valve for detectors : en pl
  • PL32182B1 - Kohle-und Eisenforschung G. m. B. H, Dusseldorf and Gelsenkirchener Bergwerks-flktien-Gesellschaft, Essen Coating agent : en pl
  • DE739661C - Two-stroke internal combustion engine : de en
  • FR53256E - Improvements in signal repetition control devices on railway convoys : en fr
  • DE739544C - Nitrided items made of austenitic cast iron : de en
  • US2330352A - Mercury switch : en
  • US2330689A - Register : en
  • FR885962A - Glued optical filters : en fr
  • FR885870A - Device for monitoring and signaling pressure variations in gas or liquid tanks : en fr
  • PL32118B1 - A method of making closed end cylinders from a metal block and a press for carrying out the method : en pl
  • US2330784A - Truck : en
  • FR886005A - Bicycle with auxiliary motor mounted in the rear wheel : en fr
  • GB556307A - Improvements in or relating to hydraulic braking systems for vehicles or aircraft : en
  • CH229005A - Lathe for engraving cylindrical surfaces. : en fr
  • CH229109A - Brake, in particular for aircraft wheels. : de en
  • DE739596C - Tent sheet that can be used as a rain cape with a head slit covered on both sides : de en
  • DE739715C - Lever operated valve with locking position securing : de en
  • FR885956A - Mutator with independently powered control electrodes : en fr
  • US2330608A - Preparing stock for coating and electroplating : en
  • CA415418A - Air blasted accumulator : en fr
  • CH229110A - Snow runner for car. : de en
  • US2330773A - Lubricant : en
  • GB556356A - Improvements in or relating to slides for lathes and other machine tools : en
  • FR885906A - Use of coal shale for the preparation of filler for bitumen, tar and similar products : en fr
  • US2330597A - Receptacle capping apparatus : en
  • US2330252A - Blade magazine : en
  • US2330451A - Dual threshing cylinder : en
  • US2330263A - Esterification of hydroxyalkyl celluloses : en
  • CH229077A - Process for producing a chroman compound. : de en
  • US2330371A - Method of producing forms for molding veneer : en
  • DK61341C - Railway brake with variable gear ratio in the brake lever system. : da en
  • US2330727A - Gathering apparatus : en
  • US2330777A - Copyholder : en
  • GB556372A - Improvements in and relating to electron lenses : en
  • CA415495A - Indicating apparatus : en fr
  • PL32181B1 - Hermann Sandvoss, Frankfurt n / M., Wilhelm Sandvoss, Frankfurt n / M. and Paul Bar, Frankfurt am Main. i - * a .-, / Pressure reducing valve : en pl
  • DE739659C - Process for making seamless one-piece felt boots, felt shoes, felt stems, etc. : de en
  • FR885905A - Apparatus for operating pouring ladles : en fr
  • AU669642A - Electric wave system : en
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