TREA

Hongguang Liu

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  • Changzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic multi-way valve with independent oil-port control, and co...
    • Patent number 12,123,516
    • Issue date Oct 22, 2024
    • JIANGSU HENGLI HYDRAULIC TECHNOLOGY CO., LTD.
    • Liping Wang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Regeneration control hydraulic system
    • Patent number 11,396,737
    • Issue date Jul 26, 2022
    • JIANGSU HENGLI HYDRAULIC TECHNOLOGY CO., LTD.
    • Liping Wang
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Energy-recycling hydraulic control main valve
    • Patent number 9,791,056
    • Issue date Oct 17, 2017
    • JIANGSU HENGLI HYDRAULIC TECHNOLOGY CO., LTD.
    • Liping Wang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure compensation valve
    • Patent number 9,745,724
    • Issue date Aug 29, 2017
    • JIANGSU HENGLI HYDRAULIC CO., LTD
    • Liping Wang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC MULTI-WAY VALVE WITH INDEPENDENT OIL-PORT CONTROL, AND CO...
    • Publication number 20230220926
    • Publication date Jul 13, 2023
    • JIANGSU HENGLI HYDRAULIC TECHNOLOGY CO., LTD.
    • Liping WANG
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    REGENERATION CONTROL HYDRAULIC SYSTEM
    • Publication number 20220034070
    • Publication date Feb 3, 2022
    • JIANGSU HENGLI HYDRAULIC TECHNOLOGY CO., LTD.
    • Liping WANG
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PRESSURE COMPENSATION VALVE
    • Publication number 20150354173
    • Publication date Dec 10, 2015
    • JIANGSU HENGLI HYDRAULIC CO., LTD
    • Liping Wang
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ENERGY-RECYCLING HYDRAULIC CONTROL MAIN VALVE
    • Publication number 20150337970
    • Publication date Nov 26, 2015
    • JIANGSU HENGLI HYDRAULIC CO., LTD
    • Liping Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...