Patents by Inventor Zengjie Yu

Zengjie 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).

  • PUNCH-FREE TELESCOPIC ROD
    Publication number: 20240341515
    Abstract: The present invention discloses a punch-free telescopic rod, comprising an inner tube and an outer tube sleeved together. A first elastic part is connected to the inner tube. When the two tubes rotate relative to each other, the first elastic part and the insertion end squeeze each other to lock the two tubes; when the two tubes rotate in opposite directions, the first elastic part and the end face of the insertion end are separated from each to unlock the two tubes. The structure of the present invention is very simple and can achieve stable locking.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Inventor: Zengjie Yu
  • Telescopic rod
    Patent number: D986314
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: May 16, 2023
    Assignee: Shandong yijiale Smart Home Technology Co., Ltd.
    Inventor: Zengjie Yu
  • Adjustable telescopic rod
    Patent number: D1002350
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 24, 2023
    Assignee: Wuhu Yijiale Metal Products Co., Ltd.
    Inventor: Zengjie Yu