TREA

Chen JIANG

Follow

Person

  • Yantai, CN
People

Patents Grantslast 30 patents

  • 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

    Cover, fluid end and plunger pump
    • Patent number 12,044,234
    • Issue date Jul 23, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Xiaobin Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Anti-loosening device and plunger pump
    • Patent number 12,006,955
    • Issue date Jun 11, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Chen Jiang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Plunger, hydraulic end and plunger pump
    • Patent number 12,000,386
    • Issue date Jun 4, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Baojie Wang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE SPRING HOLDER, VALVE BOX, AND PLUNGER PUMP
    • Publication number 20230323969
    • Publication date Oct 12, 2023
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Xiaosong WEI
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COVER, FLUID END AND PLUNGER PUMP
    • Publication number 20230138582
    • Publication date May 4, 2023
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Xiaobin 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

    PLUNGER, HYDRAULIC END AND PLUNGER PUMP
    • Publication number 20220316461
    • Publication date Oct 6, 2022
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Baojie WANG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ANTI-LOOSENING DEVICE AND PLUNGER PUMP
    • Publication number 20220235802
    • Publication date Jul 28, 2022
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Chen JIANG
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL