TREA

Yonghao CHEN

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  • Shaoxing, Zhejiang, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    Framework, Framework Assembly, Coil Assembly, and Electronic Expans...
    • Publication number 20250052334
    • Publication date Feb 13, 2025
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Jiyou ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Valve Needle Component and Flow Regulating Valve
    • Publication number 20240418268
    • Publication date Dec 19, 2024
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electronic Expansion Valve
    • Publication number 20240410495
    • Publication date Dec 12, 2024
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electronic Expansion Valve
    • Publication number 20240401856
    • Publication date Dec 5, 2024
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electronic Expansion Valve
    • Publication number 20240384799
    • Publication date Nov 21, 2024
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Valve Needle and Electronic Expansion Valve Having Valve Needle
    • Publication number 20240369140
    • Publication date Nov 7, 2024
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    EXPANSION VALVE COIL STRUCTURE AND PREPARING METHOD THEREOF, AND EX...
    • Publication number 20240309962
    • Publication date Sep 19, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Jiyou ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Flow Regulating Valve
    • Publication number 20240026986
    • Publication date Jan 25, 2024
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Shaojun ZHAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Valve Core Assembly and Electronic Expansion Valve Having Valve Cor...
    • Publication number 20240003427
    • Publication date Jan 4, 2024
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...