Chunrui LI

Person

  • Nanjing, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Electric drill and electric tool

    • Patent number 12,365,077
    • Issue date Jul 22, 2025
    • Nanjing Chervon Industry Co., Ltd.
    • Hanqing Zheng
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Power tool

    • Patent number 10,843,314
    • Issue date Nov 24, 2020
    • Nanjing Chervon Industry Co., Ltd.
    • Chunrui Li
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER TOOL

    • Publication number 20240269819
    • Publication date Aug 15, 2024
    • Nanjing Chervon Industry Co., Ltd.
    • Chunrui Li
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER TOOL

    • Publication number 20230128074
    • Publication date Apr 27, 2023
    • Nanjing Chervon Industry Co., Ltd.
    • Hanqing Zheng
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TORQUE OUTPUT TOOL

    • Publication number 20230019359
    • Publication date Jan 19, 2023
    • Nanjing Chervon Industry Co., Ltd.
    • Chunrui Li
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC DRILL AND ELECTRIC TOOL

    • Publication number 20230007837
    • Publication date Jan 12, 2023
    • Nanjing Chervon Industry Co., Ltd.
    • Hanqing Zheng
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER TOOL

    • Publication number 20180318988
    • Publication date Nov 8, 2018
    • Nanjing Chervon Industry Co., Ltd.
    • Chunrui LI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS