TREA

Kevin Thomas Hufnagel

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  • Oklahoma City, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oilfield frac pump
    • Patent number D971969
    • Issue date Dec 6, 2022
    • Liberty Oilfield Services LLC
    • Roy Aune
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Oilfield blending unit
    • Patent number D931906
    • Issue date Sep 28, 2021
    • Liberty Oilfield Services LLC
    • Roy Aune
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Oilfield hydration unit
    • Patent number D884749
    • Issue date May 19, 2020
    • Liberty Oilfield Services, LLC
    • Roy Aune
    • D15 - Machines not elsewhere specified