TREA

John H. Crankshaw

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  • Erie, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fixture for making a gear
    • Patent number 4,955,768
    • Issue date Sep 11, 1990
    • Dynetics, Inc.
    • John H. Crankshaw
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Gear coupling and hub
    • Patent number 4,955,769
    • Issue date Sep 11, 1990
    • Dynetics, Inc.
    • John H. Crankshaw
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming crowned gear teeth
    • Patent number 4,872,791
    • Issue date Oct 10, 1989
    • Dynetics, Inc.
    • John H. Crankshaw
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of manufacturing a clutch plate
    • Patent number 4,385,429
    • Issue date May 31, 1983
    • Dynetics, Inc.
    • John H. Crankshaw
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Overrunning clutch
    • Patent number 4,275,805
    • Issue date Jun 30, 1981
    • John H. Crankshaw
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Synchronizing clutch
    • Patent number 4,064,979
    • Issue date Dec 27, 1977
    • Dynetics, Inc.
    • John H. Crankshaw
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Synchronizing coupling
    • Patent number 4,047,602
    • Issue date Sep 13, 1977
    • Dynetics, Inc.
    • John H. Crankshaw
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Slip friction clutch
    • Patent number 4,009,771
    • Issue date Mar 1, 1977
    • Dynetics Inc.
    • John Crankshaw
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...