Patents by Inventor Yongrong Yu

Yongrong 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).

  • Patent number: 11128063
    Abstract: An extension lead with a conductive piece in a first socket of the extension lead is provided separately from a conductive part connected to a power cord connection piece. A rotating part for driving the conductive piece or the conductive part to move to and contact with the other of the conductive piece or the conductive part is further provided. When a male tab of the plug is inserted into the first socket, the male tab pushes the rotating part to rotate, and drives the conductive piece or the conductive part to move to and contact with the other of the conductive piece or the conductive part, and the circuit is turned on at this time. When the male tab is pulled out from the first socket, the conductive piece and the conductive part return to their original positions, and the conductive piece is not charged at this time.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: September 21, 2021
    Assignee: Zhenjiang Electrics (Shenzhen) Co., Ltd.
    Inventor: Yongrong Yu
  • Publication number: 20210057829
    Abstract: An extension lead with a conductive piece in a first socket of the extension lead is provided separately from a conductive part connected to a power cord connection piece. A rotating part for driving the conductive piece or the conductive part to move to and contact with the other of the conductive piece or the conductive part is further provided. When a male tab of the plug is inserted into the first socket, the male tab pushes the rotating part to rotate, and drives the conductive piece or the conductive part to move to and contact with the other of the conductive piece or the conductive part, and the circuit is turned on at this time. When the male tab is pulled out from the first socket, the conductive piece and the conductive part return to their original positions, and the conductive piece is not charged at this time.
    Type: Application
    Filed: August 19, 2020
    Publication date: February 25, 2021
    Inventor: Yongrong Yu