Patents by Inventor Zhoahuan Liu

Zhoahuan 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).

  • LED lamp assembly
    Patent number: 7946732
    Abstract: A robust LED lamp may be assembly by forming a heat sinking sandwich with two metal heat sinks positioned around the circuit board and pinned together a heat conductive element. The assembly is positioned by pressing it into a base providing electrical connections. The robust assembly is rapidly assembled, thermally effective in draining or spreading heat from the circuit board and is readily adaptable to a variety of applications lighting. The heat sink may be decorated, colored or otherwise esthetically enhanced for consumer appreciation.
    Type: Grant
    Filed: January 19, 2009
    Date of Patent: May 24, 2011
    Assignee: Osram Sylvania Inc.
    Inventors: Hong Luo, Zhoahuan Liu