TREA

Douglas W. J. Nayler

Follow

Person

  • Houston, TX, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Tensioner recoil control apparatus
    • Patent number 4,759,256
    • Issue date Jul 26, 1988
    • NL Industries, Inc.
    • Sheldon L. Kovit
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Speed control valve
    • Patent number 4,724,866
    • Issue date Feb 16, 1988
    • NL Industries, Inc.
    • Howard J. Bates
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Crown block compensator
    • Patent number 4,688,764
    • Issue date Aug 25, 1987
    • NL Industries, Inc.
    • Douglas W. J. Nayler
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Crown block compensator
    • Patent number 4,620,692
    • Issue date Nov 4, 1986
    • NL Industries, Inc.
    • Fred R. Foreman
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Position indicator for drill string compensator
    • Patent number 4,466,488
    • Issue date Aug 21, 1984
    • NL Industries, Inc.
    • Douglas W. J. Nayler
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Motion compensator system
    • Patent number 4,449,854
    • Issue date May 22, 1984
    • NL Industries, Inc.
    • Douglas W. J. Nayler
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Motion compensator with improved position indicator
    • Patent number 4,421,173
    • Issue date Dec 20, 1983
    • NL Industries, Inc.
    • Bruce E. Beakley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Underwater wellhead connector
    • Patent number 4,411,454
    • Issue date Oct 25, 1983
    • NL Industries, Inc.
    • Douglas W. J. Nayler
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Guide roller assembly
    • Patent number 4,244,628
    • Issue date Jan 13, 1981
    • NL Industries, Inc.
    • Douglas W. J. Nayler
    • E21 - EARTH DRILLING MINING