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Wenyong Ma

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  • Zhejiang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flat tube and heat exchanger
    • Patent number 12,140,379
    • Issue date Nov 12, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger
    • Patent number 12,130,100
    • Issue date Oct 29, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger
    • Patent number 12,044,479
    • Issue date Jul 23, 2024
    • Zhejiang DunAn Artificial EnvironmentCo., Ltd.
    • Wenyong Ma
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger and air conditioner with heat exchanger
    • Patent number 11,959,705
    • Issue date Apr 16, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger
    • Patent number 11,802,733
    • Issue date Oct 31, 2023
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger flat tube and heat exchanger with heat exchanger fla...
    • Patent number 11,512,911
    • Issue date Nov 29, 2022
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat Exchanger
    • Publication number 20230003463
    • Publication date Jan 5, 2023
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger
    • Publication number 20220357107
    • Publication date Nov 10, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenyong MA
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger
    • Publication number 20220333877
    • Publication date Oct 20, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger
    • Publication number 20220333865
    • Publication date Oct 20, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger Connecting Device and Heat Exchanger
    • Publication number 20220074683
    • Publication date Mar 10, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Flat Tube and Heat Exchanger
    • Publication number 20220074670
    • Publication date Mar 10, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger and Air Conditioner with Heat Exchanger
    • Publication number 20220049903
    • Publication date Feb 17, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger Flat Tube and Heat Exchanger with Heat Exchanger Fla...
    • Publication number 20220026152
    • Publication date Jan 27, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger Flat Tube and Heat Exchanger with Heat Exchanger Fla...
    • Publication number 20210215443
    • Publication date Jul 15, 2021
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HEAT EXCHANGE PLATE USED FOR PLATE-TYPE HEAT EXCHANGER AND PLATE-TY...
    • Publication number 20170067695
    • Publication date Mar 9, 2017
    • DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL