TREA

Shuwei Li

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  • Yantai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mixing and discharging device, mixing and discharging system and fr...
    • Patent number 11,821,296
    • Issue date Nov 21, 2023
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Maomao Han
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electro-hydraulic hybrid drive sand-mixing equipment
    • Patent number 11,480,040
    • Issue date Oct 25, 2022
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Maomao Han
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Multifunctional blending equipment
    • Patent number 10,870,093
    • Issue date Dec 22, 2020
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Jifeng Zhong
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Sand-mixing equipment
    • Patent number 10,864,487
    • Issue date Dec 15, 2020
    • American Jereh International Corporation
    • Maomao Han
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents