Patents by Inventor Kun Ruan

Kun Ruan 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).

  • Double-sided advertising machine
    Patent number: D977574
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: February 7, 2023
    Assignee: IMGS SMART GLASS TECHNOLOGIES (FUJIAN) CO., LTD
    Inventors: Yifeng Huang, Qiang Zhang, Kun Ruan, Guanghua Shao
  • Combined advertising machine with magazine rack
    Patent number: D1020885
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: April 2, 2024
    Assignee: iMGS SMART GLASS TECHNOLOGIES (FUJIAN) CO., LTD
    Inventors: Qiang Zhang, Qingbao Lin, Kun Ruan, Hui Lin