TREA

Dan Hawks

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  • Pella, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting element supported on a chain
    • Patent number 7,565,757
    • Issue date Jul 28, 2009
    • Vermeer Manufacturing Co.
    • Dean Whitten
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cylindrical cutting element supported on a drum
    • Patent number 7,454,851
    • Issue date Nov 25, 2008
    • Vermeer Manufacturing Company
    • Dean Whitten
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cutting element supported on a chain
    • Patent number 7,409,785
    • Issue date Aug 12, 2008
    • Vermeer Manufacturing Company
    • Dean Whitten
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cutting element supported on a drum
    • Patent number 7,055,270
    • Issue date Jun 6, 2006
    • Vermeer Manufacturing Co.
    • Dean Whitten
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cylindrical cutting element supported on a chain
    • Patent number 6,839,991
    • Issue date Jan 11, 2005
    • Vermeer Manufacturing Company
    • Dean Whitten
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control of excavation apparatus
    • Patent number 6,729,050
    • Issue date May 4, 2004
    • Vermeer Manufacturing Company
    • Dean Whitten
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents