TREA

John R. Lehman

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  • Columbia, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low profile pneumatically activated valve assembly
    • Patent number 6,192,912
    • Issue date Feb 27, 2001
    • ITT Manufacturing Enterprises, Inc.
    • Ronald G. Butler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Adjustable electronic position indicator apparatus
    • Patent number 6,079,441
    • Issue date Jun 27, 2000
    • ITT Manufacturing Enterprises, Inc.
    • Roy D. Miller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing arrangement, for use with, and in combination with, a steam...
    • Patent number 5,649,567
    • Issue date Jul 22, 1997
    • ITT Fluid Technology Corporation
    • Ronald G. Butler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Trunnion type ball valve
    • Patent number 4,683,906
    • Issue date Aug 4, 1987
    • ITT Corporation
    • Ronald G. Butler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring safety device
    • Patent number 4,469,016
    • Issue date Sep 4, 1984
    • International Telephone & Telegraph Corporation
    • Ronald G. Butler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...