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Yanfeng Fan

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  • Nanjing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric tool
    • Patent number 11,787,009
    • Issue date Oct 17, 2023
    • Nanjing Chervon Industry Co., Ltd.
    • Yanfeng Fan
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER TOOL AND ELECTRONIC CONTROL DEVICE
    • Publication number 20220271624
    • Publication date Aug 25, 2022
    • Nanjing Chervon Industry Co., Ltd.
    • Huaishu Wang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC TOOL
    • Publication number 20190152018
    • Publication date May 23, 2019
    • Nanjing Chervon Industry Co., Ltd.
    • Yanfeng Fan
    • B24 - GRINDING POLISHING