TREA

Calvin C. Liu

Follow

Person

  • Missouri City, TX, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Front loaded seat seal
    • Patent number 11,644,107
    • Issue date May 9, 2023
    • FMC Technologies, Inc.
    • Scott E. Linder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Intermitter valve
    • Patent number 10,837,561
    • Issue date Nov 17, 2020
    • NATIONAL OILWELL VARCO, L.P.
    • Lane Patrick McCaskill
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERMITTER VALVE
    • Publication number 20200232565
    • Publication date Jul 23, 2020
    • National-Oilwell Varco, L.P.
    • Lane Patrick McCaskill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FRONT LOADED SEAT SEAL
    • Publication number 20200124186
    • Publication date Apr 23, 2020
    • FMC Technologies, Inc.
    • Scott E. Linder
    • E21 - EARTH DRILLING MINING