Patents by Inventor Rong-Ding Xu

Rong-Ding Xu 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).

  • Pressure washer
    Patent number: D918499
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: May 4, 2021
    Assignee: Ningbo Yinzhou Jiasheng Pump Electric Machinery Factory
    Inventor: Rong-Ding Xu
  • Pressure washer
    Patent number: D931560
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: September 21, 2021
    Assignee: Ningbo Yinzhou Jiasheng Pump Electric Machinery Factory
    Inventor: Rong-Ding Xu