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Weiyang Fei

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Extraction tower
    • Patent number 9,687,755
    • Issue date Jun 27, 2017
    • Beijing Zehua Chemical Engineering Co., Ltd.
    • Runxing Xie
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Flexible mini-ring in the plum flower shape
    • Patent number 6,102,376
    • Issue date Aug 15, 2000
    • Tsinghua University
    • Weiyang Fei
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Extraction Tower
    • Publication number 20150151217
    • Publication date Jun 4, 2015
    • Beijing Zehua Chemical Engineering Co. Ltd.
    • Runxing Xie
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL