Patents by Inventor Guo Hua Liang

Guo Hua Liang 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 lock locating tool kit
    Patent number: 8443523
    Abstract: A door lock locator configured to attach to a door having a latch edge and to locate the door lock in relation to a strike plate. The door lock locator includes an edge wall having an edge hole locator, a first wall extending from the edge wall and including a bore hole locator, a second wall extending from the edge wall and cooperating with the first wall to attach the door lock locator to the door. The door lock locator also includes a strike plate locator coupled to one of the edge wall, the first wall, and the second wall. The strike plate locator has a protrusion that selectively engages the strike plate to locate the edge hole locator and the bore hole locator.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: May 21, 2013
    Assignee: Techtronic Power Tools Technology Limited
    Inventors: Chin Hung Lam, Tsz Kin Wong, Guo Hua Liang, Yu Xia, James E. Pangerc
  • DOOR LOCK LOCATING TOOL KIT
    Publication number: 20120017452
    Abstract: A door lock locator configured to attach to a door having a latch edge and to locate the door lock in relation to a strike plate. The door lock locator includes an edge wall having an edge hole locator, a first wall extending from the edge wall and including a bore hole locator, a second wall extending from the edge wall and cooperating with the first wall to attach the door lock locator to the door. The door lock locator also includes a strike plate locator coupled to one of the edge wall, the first wall, and the second wall. The strike plate locator has a protrusion that selectively engages the strike plate to locate the edge hole locator and the bore hole locator.
    Type: Application
    Filed: September 27, 2011
    Publication date: January 26, 2012
    Inventors: Chin Hung Lam, Tsz Kin Wong, Guo Hua Liang, Yu Xia, James E. Pangerc