Patents by Inventor Hong Tsai Liu

Hong Tsai 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).

  • CPU heat sink mounting structure
    Patent number: 6336499
    Abstract: A CPU heat sink mounting structure includes a cylindrical heat sink having a coupling portion at one end, a retaining plate coupled to the coupling portion of the cylindrical heat sink, the retaining plate having four equiangularly spaced oblong holes, two first hook holes disposed at one side and hooked on respective hooks of the CPU holder at one side, and a locking lever pivoted thereto at an opposite side and turned to lock/unlock the retaining plate and the CPU holder, a holding down plate coupled to the coupling portion of the cylindrical heat sink and retained between the retaining plate and the CPU holder and rotated through an angle relative to the retaining plate to hold down the cylindrical heat sink.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: January 8, 2002
    Inventor: Hong Tsai Liu