Michael B. Vinzant

Person

  • Carrollton, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual flapper safety valve

    • Patent number 8,047,294
    • Issue date Nov 1, 2011
    • Halliburton Energy Services, Inc.
    • James D. Vick, Jr.
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dual flapper safety valve

    • Patent number 7,798,229
    • Issue date Sep 21, 2010
    • Halliburton Energy Services, Inc.
    • James D. Vick, Jr.
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Flapper valve assembly apparatus and method

    • Patent number 6,394,187
    • Issue date May 28, 2002
    • Halliburton Energy Services, Inc.
    • Rennie L. Dickson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Safety valve utilizing an isolation valve and method of using the same

    • Patent number 6,302,210
    • Issue date Oct 16, 2001
    • Halliburton Energy Services, Inc.
    • Robert Wesley Crow
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Surface controlled subsurface safety valve

    • Patent number 4,834,183
    • Issue date May 30, 1989
    • Otis Engineering Corporation
    • Michael B. Vinzant
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Surface controlled subsurface safety valve

    • Patent number 4,723,606
    • Issue date Feb 9, 1988
    • Otis Engineering Corporation
    • Michael B. Vinzant
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well safety valve

    • Patent number RE32343
    • Issue date Feb 3, 1987
    • Otis Engineering Corporation
    • Michael B. Vinzant
    • 166 - Wells
  • Information Patent Grant

    Safety system

    • Patent number 4,469,179
    • Issue date Sep 4, 1984
    • Otis Engineering Corporation
    • Robert W. Crow
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well safety valve

    • Patent number 4,461,353
    • Issue date Jul 24, 1984
    • Otis Engineering Corporation
    • Michael B. Vinzant
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Equalizing means for well tools

    • Patent number 4,452,311
    • Issue date Jun 5, 1984
    • Otis Engineering Corporation
    • Steven C. Speegle
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Subsurface safety valve

    • Patent number 4,448,216
    • Issue date May 15, 1984
    • Otis Engineering Corporation
    • Steven C. Speegle
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DUAL FLAPPER SAFETY VALVE

    • Publication number 20100307758
    • Publication date Dec 9, 2010
    • Halliburton Energy Services, Inc.
    • James D. VICK, Jr.
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Dual flapper safety valve

    • Publication number 20060162939
    • Publication date Jul 27, 2006
    • James D. Vick
    • E21 - EARTH DRILLING MINING