Patents by Inventor Guanyu Dong

Guanyu Dong 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).

  • Automatic staple removers
    Patent number: 6772995
    Abstract: The present invention provides an automatic staple remover including a frame, a motor fixed to the frame, a speed-reducing mechanism driven by the motor, a transmission mechanism connected to the speed-reducing mechanism, and a member having a jaw for removing a staple from an object connected to the transmission mechanism. The staple remover of the invention is convenient to use and to collect removed staples.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: August 10, 2004
    Inventors: Songbai Wen, Guanyu Dong
  • Automatic staple removers
    Publication number: 20040041135
    Abstract: The present invention provides an automatic staple remover including a frame, a motor fixed to the frame, a speed-reducing mechanism driven by the motor, a transmission mechanism connected to the speed-reducing mechanism, and a member having a jaw for removing a staple from an object connected to the transmission mechanism. The staple remover of the invention is convenient to use and to collect removed staples.
    Type: Application
    Filed: May 14, 2003
    Publication date: March 4, 2004
    Applicant: Yurisheng Electronic (Shenzhen) Limited
    Inventors: Songbai Wen, Guanyu Dong