TREA

Xiaohan LIU

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  • NANJING, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter element mounting structure
    • Patent number 12,076,673
    • Issue date Sep 3, 2024
    • NANJING HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    • Guo Liu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element butt joint mechanism
    • Patent number 12,011,683
    • Issue date Jun 18, 2024
    • NANJING HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    • Guo Liu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Concentrated water regulating valve
    • Patent number 12,013,049
    • Issue date Jun 18, 2024
    • NANJING HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    • Guo Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve body
    • Patent number 11,946,556
    • Issue date Apr 2, 2024
    • NANJING HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    • Guo Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drainage device and system for controlling discharging of concentra...
    • Patent number 11,247,174
    • Issue date Feb 15, 2022
    • Guo Liu
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE FOR MEASURING OPTICAL SPECTRUM OF FLOWING LIQUID
    • Publication number 20250216324
    • Publication date Jul 3, 2025
    • Nanjing Hanshu Environmental Protection Equipment Co., Ltd.
    • Guo LIU
    • G01 - MEASURING TESTING
  • Information Patent Application

    FILTER ELEMENT MOUNTING STRUCTURE
    • Publication number 20240252960
    • Publication date Aug 1, 2024
    • Nanjing Hanshu Environmental Protection Equipment Co., Ltd.
    • Guo LIU
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT BUTT JOINT MECHANISM
    • Publication number 20240149195
    • Publication date May 9, 2024
    • Nanjing Hanshu Environmental Protection Equipment Co., Ltd.
    • Guo LIU
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CONCENTRATED WATER REGULATING VALVE
    • Publication number 20230258270
    • Publication date Aug 17, 2023
    • Nanjing Hanshu Environmental Protection Equipment Co., Ltd.
    • Guo LIU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WATER TANK ASSEMBLY FOR PURIFYING WATER AND WATER PURIFICATION SYSTEM
    • Publication number 20220119276
    • Publication date Apr 21, 2022
    • SUQIAN HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    • Guo LIU
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VALVE BODY
    • Publication number 20220010887
    • Publication date Jan 13, 2022
    • SUQIAN HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    • Guo LIU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DRAINAGE DEVICE AND SYSTEM FOR CONTROLLING DISCHARGING OF CONCENTRA...
    • Publication number 20210260529
    • Publication date Aug 26, 2021
    • SUQIAN HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    • Guo LIU
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE