TREA

Stephen V. Gearhart

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  • Hudson, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for sealing an annular space
    • Patent number 7,094,308
    • Issue date Aug 22, 2006
    • Stephen V. Gearhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for sealing an annular space
    • Patent number 6,641,688
    • Issue date Nov 4, 2003
    • Stephen V. Gearhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Conduit liner cutter
    • Patent number 6,386,797
    • Issue date May 14, 2002
    • Stephen V. Gearhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents