TREA

Herbert H. Walton

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    No-bleed pilot for pressure regulating valve
    • Patent number 6,371,156
    • Issue date Apr 16, 2002
    • Fisher Controls International, Inc.
    • Herbert H. Walton
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Elastomeric element valve
    • Patent number 6,102,071
    • Issue date Aug 15, 2000
    • Fisher Controls International, Inc.
    • Herbert H. Walton
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Elastomeric element valve
    • Patent number 5,964,446
    • Issue date Oct 12, 1999
    • Fisher Controls International, Inc.
    • Herbert H. Walton
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Diaphragm stem seal attachment
    • Patent number 5,029,813
    • Issue date Jul 9, 1991
    • Fisher Controls International, Inc.
    • Herbert H. Walton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sanitary valve
    • Patent number 4,813,648
    • Issue date Mar 21, 1989
    • Fisher Controls International, Inc.
    • Herbert H. Walton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Single disc rotary valve
    • Patent number 4,554,943
    • Issue date Nov 26, 1985
    • Fisher Controls International, Inc.
    • Robert L. Claney
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bidirectional disc throttling valve
    • Patent number 4,532,961
    • Issue date Aug 6, 1985
    • Fisher Controls International, Inc.
    • Herbert H. Walton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve construction
    • Patent number 4,137,934
    • Issue date Feb 6, 1979
    • Fisher Controls Company
    • Donald D. Rice
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Quick change valve trim assembly
    • Patent number 4,041,973
    • Issue date Aug 16, 1977
    • Fisher Controls Company
    • Donald D. Rice
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Quick-disconnect valve closure structure
    • Patent number 3,991,903
    • Issue date Nov 16, 1976
    • Fisher Controls Company, Inc.
    • Donald D. Rice
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...