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Huiying CHEN

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  • Shanghai, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER CARTRIDGE WITH AIR VENTING FLOW PATH
    • Publication number 20210252434
    • Publication date Aug 19, 2021
    • A.L. FILTER EAD
    • Huiying Chen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT
    • Publication number 20210220763
    • Publication date Jul 22, 2021
    • A.L. FILTER EAD
    • Huiying CHEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL