Patents by Inventor Qingsheng Yue

Qingsheng Yue 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).

  • Hydraulic jack
    Patent number: 11952248
    Abstract: A hydraulic jack for providing safety security is disclosed. The hydraulic jack comprises a hydraulic cylinder storing hydraulic fluid inside, and a piston installed in the hydraulic cylinder that is raised up from the hydraulic cylinder by a pressure of the hydraulic fluid stored in the hydraulic cylinder, thereby a heavyweight can be lifted by the piston. The piston has a drill hole on a body thereof that has a determined diameter and is perpendicular to the piston. When the piston is raised up, a safety pin is penetrable through the drill hole to secure the piston in place.
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: April 9, 2024
    Assignee: Walton.K.K International Business Group, Inc.
    Inventor: Qingsheng Yue
  • Wheel stabilizer
    Patent number: D974989
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: January 10, 2023
    Assignee: Walton K.K. International Business Group, Inc.
    Inventor: Qingsheng Yue
  • Lint catching device
    Patent number: D1006360
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: November 28, 2023
    Assignee: WALTON.K.K INTERNATIONAL BUSINESS GROUP, INC.
    Inventor: Qingsheng Yue
  • Lint catching device
    Patent number: D1007794
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: December 12, 2023
    Assignee: WALTON.K.K INTERNATIONAL BUSINESS GROUP, INC.
    Inventor: Qingsheng Yue