Leonard E. Williams Jr.

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Ram-type blowout preventer

    • Patent number 4,541,606
    • Issue date Sep 17, 1985
    • Cameron Iron Works, Inc.
    • Leonard E. Williams
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure-actuated wellhead sealing assembly

    • Patent number 4,381,868
    • Issue date May 3, 1983
    • Cameron Iron Works, Inc.
    • David G. Croy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Blowout preventer

    • Patent number 4,227,543
    • Issue date Oct 14, 1980
    • Cameron Iron Works, Inc.
    • Leonard E. Williams
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve

    • Patent number 4,214,600
    • Issue date Jul 29, 1980
    • Cameron Iron Works, Inc.
    • Leonard E. Williams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe shearing ram assembly for blowout preventer

    • Patent number 4,132,265
    • Issue date Jan 2, 1979
    • Cameron Iron Works, Inc.
    • Leonard E. Williams
    • E21 - EARTH DRILLING MINING