Crankshaft

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making camshaft

    • Patent number 4,969,262
    • Issue date Nov 13, 1990
    • Nippon Piston Ring Co., Ltd.
    • Takeshi Hiraoka
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2330968

    • Patent number 2,330,968
    • Issue date Oct 5, 1943
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2291035

    • Patent number 2,291,035
    • Issue date Jul 28, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2261108

    • Patent number 2,261,108
    • Issue date Nov 4, 1941
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2174084

    • Patent number 2,174,084
    • Issue date Sep 26, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2156153

    • Patent number 2,156,153
    • Issue date Apr 25, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2138522

    • Patent number 2,138,522
    • Issue date Nov 29, 1938
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2126462

    • Patent number 2,126,462
    • Issue date Aug 9, 1938
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2057939

    • Patent number 2,057,939
    • Issue date Oct 20, 1936
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2033686

    • Patent number 2,033,686
    • Issue date Mar 10, 1936
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1861055

    • Patent number 1,861,055
    • Issue date May 31, 1932
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR