Patents by Inventor Yangchun Duan

Yangchun Duan 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).

  • Publication number: 20250236264
    Abstract: A wiper blade includes a flow guide shell, a connecting shell, a wiper blade body and a clip. A lower part of the flow guide shell is provided with an accommodating groove. An upper surface of the connecting shell is provided with a clip mounting groove. A lower surface of the connecting shell is provided with a wiper blade body mounting groove. The connecting shell is inserted into the accommodating groove to connect the clip mounting groove to the accommodating groove. The wiper blade body is inserted into the wiper blade body mounting groove. The clip is inserted into the clip mounting groove. A first limiting block is arranged on an inner wall of the clip mounting groove. And a lower surface of the first limiting block resists against an upper surface of the clip.
    Type: Application
    Filed: January 19, 2024
    Publication date: July 24, 2025
    Inventor: YANGCHUN DUAN
  • Patent number: D981317
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: March 21, 2023
    Inventor: Yangchun Duan
  • Patent number: D981318
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: March 21, 2023
    Inventor: Yangchun Duan