Patents by Inventor Wen-Chen Ku

Wen-Chen Ku 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).

  • Cinquefoil chuck
    Publication number: 20090250887
    Abstract: An improved cinquefoil chuck comprises a clamping jaw mechanism provided with a plurality of clamping jaws that may release and close and that are connected to and driven by a driving mechanism. The clamping jaw mechanism is connected to and driven by an autorotation mechanism to rotate, and the cinquefoil chuck is used to make the clamping jaw mechanism automatically rotate for safe and easy operation.
    Type: Application
    Filed: April 7, 2008
    Publication date: October 8, 2009
    Inventor: Wen-Chen Ku