Patents by Inventor Kwo-Hsing Chen

Kwo-Hsing Chen 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).

  • Heat sink fastener
    Patent number: 6752577
    Abstract: A heat sink fastener includes a locating bolt having a compressible barbed tip for securing the heat sink to the circuit board, and a buffer spring mounted on the locating bolt and adapted to force the heat sink downwards into close contact with the CPU at the circuit board, the buffer spring has a top ring defining a top receiving space, a bottom ring defining a bottom receiving space, and a double conical spiral spring body connected between the top ring and the bottom ring and receivable in the top receiving space and the bottom receiving space when compressed.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: June 22, 2004
    Inventors: Hong-Long Chen, Kwo-Hsing Chen
  • Heat sink fastener
    Publication number: 20030161085
    Abstract: A heat sink fastener includes a locating bolt having a compressible barbed tip for securing the heat sink to the circuit board, and a buffer spring mounted on the locating bolt and adapted to force the heat sink downwards into close contact with the CPU at the circuit board, the buffer spring has a top ring defining a top receiving space, a bottom ring defining a bottom receiving space, and a double conical spiral spring body connected between the top ring and the bottom ring and receivable in the top receiving space and the bottom receiving space when compressed.
    Type: Application
    Filed: February 27, 2002
    Publication date: August 28, 2003
    Inventors: Hong-Long Chen, Kwo-Hsing Chen