Patents by Inventor Yeyi Fan

Yeyi Fan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pipe dredge
    Patent number: D840118
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: February 5, 2019
    Assignee: Shanghai Kunjek Handtools and Hardware Co., Ltd.
    Inventor: Yeyi Fan
  • Pipe dredge
    Patent number: D849339
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: May 21, 2019
    Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD
    Inventor: Yeyi Fan
  • Pipe dredge
    Patent number: D849340
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: May 21, 2019
    Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD
    Inventor: Yeyi Fan
  • Pipe dredge
    Patent number: D849341
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: May 21, 2019
    Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD
    Inventor: Yeyi Fan
  • Pipe dredge
    Patent number: D850036
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: May 28, 2019
    Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD.
    Inventor: Yeyi Fan
  • Pipe dredge
    Patent number: D850738
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: June 4, 2019
    Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD.
    Inventor: Yeyi Fan
  • Pipe dredge
    Patent number: D850739
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: June 4, 2019
    Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD.
    Inventor: Yeyi Fan