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Yuchen HE

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  • Shaoxing, Zhejiang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic expansion valve
    • Patent number 12,146,694
    • Issue date Nov 19, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Yuchen He
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electronic expansion valve and refrigeration system
    • Patent number 11,959,561
    • Issue date Apr 16, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Yuchen He
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electronic expansion valve and air conditioning system with electro...
    • Patent number 11,796,234
    • Issue date Oct 24, 2023
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Yuchen He
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Flow Adjustment Assembly and Electronic Expansion Valve
    • Publication number 20250155028
    • Publication date May 15, 2025
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • 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

    Valve Head Structure and Flow Regulating Valve with Valve Head Stru...
    • Publication number 20240410470
    • 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 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

    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...
  • Information Patent Application

    Electronic Expansion Valve
    • Publication number 20220228784
    • Publication date Jul 21, 2022
    • 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 and Refrigeration System
    • Publication number 20220154851
    • Publication date May 19, 2022
    • 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 and Air Conditioning System with Electro...
    • Publication number 20220042728
    • Publication date Feb 10, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Yuchen HE
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...