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Hailong Li

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  • Yantai, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Fracturing Pump Operation Fault Detection Method, System, and Devic...
    • Publication number 20240263629
    • Publication date Aug 8, 2024
    • YANTAI JEREH OILFIELD SERVICES GROUP CO., LTD.
    • Hailong LI
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Packing Leakage Detection System and Method
    • Publication number 20240263630
    • Publication date Aug 8, 2024
    • YANTAI JEREH OILFIELD SERVICES GROUP CO., LTD.
    • Wenlong ZUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    FLUID SPLITTER, FLUID END AND PLUNGER PUMP
    • Publication number 20220243724
    • Publication date Aug 4, 2022
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Xiaobin LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATUS MONITORING AND FAILURE DIAGNOSIS SYSTEM FOR PLUNGER PUMP
    • Publication number 20210372395
    • Publication date Dec 2, 2021
    • AMERICAN JEREH INTERNATIONAL CORPORATION
    • Hailong LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FIVE CYLINDER PLUNGER PUMP
    • Publication number 20210087943
    • Publication date Mar 25, 2021
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Haiping Cui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REDUCTION GEARBOX FOR TURBINE FRACTURING
    • Publication number 20210071752
    • Publication date Mar 11, 2021
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Haiping Cui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...