TREA

Baoguo Jian

Follow

Person

  • Yantai, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic end assembly structure of a plunger pump
    • Patent number 12,152,575
    • Issue date Nov 26, 2024
    • American Jereh International Corporation
    • Baoguo Jian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve spring fixing device and plunger pump
    • Patent number 12,085,073
    • Issue date Sep 10, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Wenjie Deng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Puller, claw, and usage method of puller
    • Patent number 11,964,350
    • Issue date Apr 23, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Chen Jiang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hydraulic end assembly structure of a plunger pump
    • Patent number 11,698,063
    • Issue date Jul 11, 2023
    • American Jereh International Corporation
    • Baoguo Jian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve spring seat sleeve, valve assembly and plunger pump
    • Patent number 11,519,405
    • Issue date Dec 6, 2022
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Wenjie Deng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC END ASSEMBLY STRUCTURE OF A PLUNGER PUMP
    • Publication number 20240035462
    • Publication date Feb 1, 2024
    • AMERICAN JEREH INTERNATIONAL CORPORATION
    • Baoguo Jian
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PLUNGER PUMP
    • Publication number 20230144116
    • Publication date May 11, 2023
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Bingzhuang LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE SPRING FIXING DEVICE AND PLUNGER PUMP
    • Publication number 20230017968
    • Publication date Jan 19, 2023
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Wenjie DENG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PULLER, CLAW, AND USAGE METHOD OF PULLER
    • Publication number 20230001524
    • Publication date Jan 5, 2023
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Chen JIANG
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VALVE SPRING SEAT SLEEVE, VALVE ASSEMBLY AND PLUNGER PUMP
    • Publication number 20220341415
    • Publication date Oct 27, 2022
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Wenjie DENG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC END ASSEMBLY STRUCTURE OF A PLUNGER PUMP
    • Publication number 20210355927
    • Publication date Nov 18, 2021
    • AMERICAN JEREH INTERNATIONAL CORPORATION
    • Baoguo Jian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...