Patents by Inventor Shengzhou Li

Shengzhou Li 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).

  • Foldable file
    Patent number: 12240264
    Abstract: The present disclosure provides a foldable file comprising a first panel, a second panel, and a third panel arranged and coupled together in sequence, the first panel and the second panel hinged by a first hinge assembly, and the second and third panel hinged by a second hinge assembly, enabling the foldable file to switch between an unfolded state and a folded state, wherein at least one lower side edge of the third panel includes a convex edge, and the convex edge protrudes outward compared to a corresponding upper side edge of the first panel.
    Type: Grant
    Filed: October 5, 2023
    Date of Patent: March 4, 2025
    Inventor: Shengzhou Li
  • FOLDABLE FILE
    Publication number: 20250042193
    Abstract: The present disclosure provides a foldable file comprising a first panel, a second panel, and a third panel arranged and coupled together in sequence, the first panel and the second panel hinged by a first hinge assembly, and the second and third panel hinged by a second hinge assembly, enabling the foldable file to switch between an unfolded state and a folded state, wherein at least one lower side edge of the third panel includes a convex edge, and the convex edge protrudes outward compared to a corresponding upper side edge of the first panel.
    Type: Application
    Filed: October 5, 2023
    Publication date: February 6, 2025
    Inventor: SHENGZHOU LI
  • Toothbrush head
    Patent number: D965301
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: October 4, 2022
    Inventor: Shengzhou Li
  • Toothbrush head
    Patent number: D970895
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: November 29, 2022
    Inventor: Shengzhou Li
  • Foldable clipboard
    Patent number: D1010731
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: January 9, 2024
    Inventor: Shengzhou Li