Patents by Inventor Sitian Yu

Sitian Yu 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).

  • Electric scooter
    Patent number: D1024214
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: April 23, 2024
    Assignee: XIAMEN QUNNENG GONGJIN TRADING CO., LTD.
    Inventors: Yiyu Huang, Sitian Yu
  • Neck fan
    Patent number: D1038363
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: August 6, 2024
    Assignee: FUZHOU ZONGTIAN CHUANGYU TRADING CO., LTD.
    Inventors: Sitian Yu, Pengpeng Yang, Jianbiao Chen