Patents by Inventor Chuan Tang

Chuan Tang 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).

  • Door hinge structure
    Patent number: 5689855
    Abstract: A door hinge structure including a first door hinge and a second door hinge connected between a door panel and a door frame at different elevations, for permitting the door panel to be turned relative to the door frame, each door hinge including two leaves having a respective eccentric hole, two bushings respectively mounted in the eccentric holes of the leaves and fixed in position by a respective tightening up screw and having a respective eccentric through hole, and a pivot pin fastened to the eccentric through holes of the bushings to connect the leaves together, permitting the leaves to be turned relative to each other.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: November 25, 1997
    Assignee: Chuan Mau Products Co., Ltd.
    Inventor: Jung-Chuan Tang
  • Spotlight
    Patent number: D386274
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: November 11, 1997
    Inventor: Shih-Chuan Tang
  • Spotlight
    Patent number: D392405
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: March 17, 1998
    Inventor: Shih-Chuan Tang
  • Projection lamp
    Patent number: D400996
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: November 10, 1998
    Inventor: Shih-Chuan Tang