Patents by Inventor Peter L K Woo

Peter L K Woo 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).

  • Removable chuck
    Patent number: 6688611
    Abstract: A removable chuck has a chuck member for holding a drill bit. Also, a mechanism is coupled with the chuck body to retain the chuck body to a drill spindle. The retention mechanism, in a first position, has at least one biased blade, in a non-biased condition, retaining the chuck on the drill spindle and in a second position, with the at least one biased blade in a biased condition, the chuck is enabled to be removed from the spindle.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: February 10, 2004
    Assignee: Black & Decker Inc.
    Inventors: Robert H. Gifford, Richard J. Heavel, Alfred H. Judge, Thomas T. Bludis, Gavin K F Ng, Peter L K Woo