Patents by Inventor Li Changjiang

Li Changjiang 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).

  • Powered Stacker Vehicle
    Patent number: D891022
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: July 21, 2020
    Assignee: Zhejiang E-P Equipment Co., Ltd.
    Inventors: Leng Liping, Ma Qichen, Li Li, Liu Shunli, Fang Xingfeng, Li Changjiang
  • Powered stacker vehicle
    Patent number: D901819
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 10, 2020
    Assignee: ZHEJIANG E-P EQUIPMENT CO., LTD.
    Inventors: Leng Liping, Ma Qichen, Li Li, Liu Shunli, Fang Xingfeng, Li Changjiang
  • Powered stacker vehicle
    Patent number: D901820
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 10, 2020
    Assignee: ZHEJIANG E-P EQUIPMENT CO., LTD.
    Inventors: Leng Liping, Ma Qichen, Li Li, Liu Shunli, Fang Xingfeng, Li Changjiang