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German Patents
Patents 1 - 15 of 20
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DE-14,080Oct. 26, 1881C.M. SombartGas Enginegas and gasoline engines
DE-55,051Dec. 24, 1881C.G. BeecheyGas Enginegas and gasoline engines
DE-30,576Apr. 07, 1884J. SpielMixing and Suction Valve for Gas Enginesgas and gasoline engines
DE-61,012Jan. 24, 1891J. SpielSelf-Active Igniterignition systems
DE-67,207Feb. 18, 1892R. DieselWorking Method and Embodiment for Internal Combustion Enginesdiesel engines
DE-64,971Feb. 24, 1892J. SpielA Flow Valve for Gas and Petroleuminternal combustion engine valves
DE-80,872Oct. 13, 1894H. KienastVernier Gauge Devicemeasurement gauges
DE-161,021Sep. 24, 1901J. SpielVapor Burner for Liquid Fuels for lighting and Heating Purposes
DE-159,045Aug. 23, 1903J. SpielApparatus for Heating of Incandescent Light Vapor Lamp
DE-375,851May 19, 1923P. Hunt, H.W. Hunt, H. HuntDrill grinding machinedrill grinders
DE-422,675Dec. 05, 1925F. Krupp Akt.Ges.With Fine Pointer Provided, in Particular Equipment Intended for Examining the Upward Gradient of Internal Thread
DE-537,775Nov. 06, 1931S.E. Co.Reversing Device for a Cam Valve Controlvalves
DE-540,411Dec. 15, 1931S.E. Co.Cam Valve Controlvalves
DE-656,423Feb. 08, 1938M. Tool Co.An Apparatus for Finishing of Pre-Cut Spur Gears with Straight or Helically Extending Teeth by Rolling on a Tool, which is Designed as a Rack or as a Spur Geargear making machines
DE-685,893Dec. 27, 1939J. Dohnal Schraubstock (Vise)bench vises
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