TREA

Keith J. Hollingworth

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  • Telford, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tapered plug valve
    • Patent number 5,779,222
    • Issue date Jul 14, 1998
    • BTR plc
    • Keith Jeffrey Hollingworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tapered plug valve
    • Patent number 5,312,086
    • Issue date May 17, 1994
    • BTR plc
    • Keith J. Hollingworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...