Patents by Inventor Cheng-Yin Hu

Cheng-Yin Hu 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).

  • Patent number: 6196093
    Abstract: A hand-held tool handle reflects to a handle with a hollow body, and the character is that the hollow body is in a longitudinal direction with an opening at one side of the handle. The inner hollow portion has a spring push button which has one end remained in the hollow body while the other end extending outwardly from the opening. The hollow body is mounted with a tool holder which has formed with a number of seats to receive bits thereat. The center portion of the tool holder has a strut corresponding to the push button, by pushing the push button, the tool holder will extend outwardly, and the bits may be picked for prompt usage.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: March 6, 2001
    Inventor: Cheng-Yin Hu