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Donald G. Leith

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  • West Bloomfield, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-piece crankshaft construction
    • Patent number 6,912,929
    • Issue date Jul 5, 2005
    • Panther Machine, Inc.
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Crankshaft assembly
    • Patent number 6,820,518
    • Issue date Nov 23, 2004
    • Panther Machine, Inc.
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-piece crankshaft construction
    • Patent number 6,684,736
    • Issue date Feb 3, 2004
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine counterweight
    • Patent number 6,412,366
    • Issue date Jul 2, 2002
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-piece crankshaft construction
    • Patent number 6,382,298
    • Issue date May 7, 2002
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-piece crankshaft construction
    • Patent number 6,318,443
    • Issue date Nov 20, 2001
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for making a multi-piece crankshaft
    • Patent number 6,314,643
    • Issue date Nov 13, 2001
    • Donald G. Leith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multi-piece crankshaft construction
    • Patent number 6,173,628
    • Issue date Jan 16, 2001
    • Panther Machine, Inc.
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Crankshaft with laminated counterweight
    • Patent number 5,899,120
    • Issue date May 4, 1999
    • Panther Machine, Inc.
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-piece electric motor shaft
    • Patent number 5,857,915
    • Issue date Jan 12, 1999
    • Panther Machine, Inc.
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Crankshaft assembly and method for manufacturing same
    • Publication number 20040035244
    • Publication date Feb 26, 2004
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Multi-piece crankshaft construction
    • Publication number 20030024347
    • Publication date Feb 6, 2003
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Multi-piece crankshaft construction
    • Publication number 20020046625
    • Publication date Apr 25, 2002
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Crankshaft assembly
    • Publication number 20010032526
    • Publication date Oct 25, 2001
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Multi-piece crankshaft construction
    • Publication number 20010004929
    • Publication date Jun 28, 2001
    • Donald G. Leith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...