TREA

Li Guo

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  • Katy, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mud motor or progressive cavity pump with varying pitch and taper
    • Patent number 12,152,587
    • Issue date Nov 26, 2024
    • Schlumberger Technology Corporation
    • Anton Kolyshkin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mud motor rotor with core and shell
    • Patent number 12,140,144
    • Issue date Nov 12, 2024
    • Schlumberger Technology Corporation
    • Anton Kolyshkin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mud motor rotor with core and shell
    • Patent number 11,795,946
    • Issue date Oct 24, 2023
    • Schlumberger Technology Corporation
    • Anton Kolyshkin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    MUD MOTOR ROTOR WITH CORE AND SHELL
    • Publication number 20240026880
    • Publication date Jan 25, 2024
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Anton Kolyshkin
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MUD MOTOR OR PROGRESSIVE CAVITY PUMP WITH VARYING PITCH AND TAPER
    • Publication number 20220364559
    • Publication date Nov 17, 2022
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Anton Kolyshkin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MUD MOTOR ROTOR WITH CORE AND SHELL
    • Publication number 20210277719
    • Publication date Sep 9, 2021
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Anton Kolyshkin
    • E21 - EARTH DRILLING MINING