Patents by Inventor Guangqiang Chu

Guangqiang Chu 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 TOILET STEP STOOL
    Publication number: 20220007842
    Abstract: A foldable toilet step stool includes a stool hoard and two supporting boards. The two supporting hoards are respectively rotatably arranged on two ends of the stool board. First rotating pieces and second rotating pieces are fixedly arranged on the two ends of the stool board. Third rotating pieces and fourth rotating pieces are fixedly arranged on the two supporting hoards. Each first rotating piece is pivotally connected to a corresponding third rotating piece. Each second rotating piece is pivotally connected to a corresponding fourth rotating piece. A clamping piece is arranged between each first rotating piece and each third rotating piece. Each clamping piece is configured to control a rotation of a corresponding supporting board.
    Type: Application
    Filed: March 9, 2021
    Publication date: January 13, 2022
    Inventor: Guangqiang Chu
  • Squeegee
    Patent number: D951569
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: May 10, 2022
    Assignee: BATHROOM SERVANT CORPORATION
    Inventors: Guangqiang Chu, Yuejiang Zhang, Tenghui Hong
  • Toilet stool
    Patent number: D986609
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: May 23, 2023
    Assignee: Bathroom Servant Corporation
    Inventor: Guangqiang Chu