Patents by Inventor Quangang Liu

Quangang Liu 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).

  • Clamping device
    Patent number: 8276895
    Abstract: The present invention relates to a clamping device comprising an elongate support structure carrying a fixed jaw and a movable jaw and an advancing clamping mechanism mounted on the support structure for advancing the movable jaw toward the fixed jaw in a longitudinal direction. The clamping device further comprises a transportation mechanism for convenient transportation.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: October 2, 2012
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Warren Brown, Graham Gerhardt, Harry Szommer, Guojun Chen, Quangang Liu
  • CLAMPING DEVICE
    Publication number: 20090121405
    Abstract: The present invention relates to a clamping device comprising an elongate support structure carrying a fixed jaw and a movable jaw and an advancing clamping mechanism mounted on the support structure for advancing the movable jaw toward the fixed jaw in a longitudinal direction. The clamping device further comprises a transportation mechanism for convenient transportation.
    Type: Application
    Filed: March 28, 2008
    Publication date: May 14, 2009
    Applicant: POSITEC POWER TOOLS (SUZHOU) CO., LTD
    Inventors: Warren Brown, Graham Gerhardt, Harry Szommer, Guojun Chen, Quangang Liu