TREA

Alvin A. Kimpel

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  • Edgerton, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Packing box arrangement for a gate valve
    • Patent number 6,588,729
    • Issue date Jul 8, 2003
    • WEIR SLURRY GROUP, INC.
    • Alvin A. Kimpel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve with spring assisted valve liner
    • Patent number 5,582,200
    • Issue date Dec 10, 1996
    • Warman International, Ltd.
    • Alvin A. Kimpel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring-assisted split seat gate valve
    • Patent number 5,413,140
    • Issue date May 9, 1995
    • Warman International Ltd.
    • Alvin A. Kimpel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Split seat gate valve
    • Patent number 5,082,247
    • Issue date Jan 21, 1992
    • Warman International, Inc.
    • Brian S. Owens
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Split seat gate valve
    • Patent number 5,020,776
    • Issue date Jun 4, 1991
    • Warman International, Inc.
    • Brian S. Owens
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...