TREA

Yi Xia

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole tool with bottom composite slip
    • Patent number 11,634,958
    • Issue date Apr 25, 2023
    • The WellBoss Company, LLC
    • Evan Lloyd Davies
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool with bottom composite slip
    • Patent number 11,078,739
    • Issue date Aug 3, 2021
    • The WellBoss Company, LLC
    • Evan Lloyd Davies
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    One-piece slip
    • Patent number D877216
    • Issue date Mar 3, 2020
    • The WellBoss Company, LLC
    • Evan Lloyd Davies
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    One-piece slip
    • Patent number D877217
    • Issue date Mar 3, 2020
    • The WellBoss Company, LLC
    • Evan Lloyd Davies
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents