TREA

Huaizhi ZHANG

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  • Yantai Shandong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fracturing apparatus and control method thereof, fracturing system
    • Patent number 11,746,636
    • Issue date Sep 5, 2023
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Jifeng Zhong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fracturing apparatus and control method thereof, fracturing system
    • Patent number 11,680,474
    • Issue date Jun 20, 2023
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Shuzhen Cui
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fracturing equipment
    • Patent number 11,592,020
    • Issue date Feb 28, 2023
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Sheng Chang
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fracturing equipment
    • Patent number 11,555,493
    • Issue date Jan 17, 2023
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Sheng Chang
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents