TREA

Jianjun CHEN

Follow

Person

  • Shaoxing, Zhejiang, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Pilot valve
    • Patent number 11,946,562
    • Issue date Apr 2, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Jianjun Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pilot Valve and Four-way Reversing Valve
    • Publication number 20240318732
    • Publication date Sep 26, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Jianjun CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pilot Valve and Four-way Reversing Valve
    • Publication number 20240151312
    • Publication date May 9, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Jianjun CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PILOT VALVE
    • Publication number 20220356960
    • Publication date Nov 10, 2022
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Jianjun CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pilot Valve and Four-way Reversing Valve
    • Publication number 20220252164
    • Publication date Aug 11, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Jianjun CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...