Patents by Inventor Pao-Chu Fu

Pao-Chu Fu 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).

  • Ratchet socket that can be operated conveniently
    Publication number: 20040093996
    Abstract: A ratchet socket includes a socket body having an end formed with a mounting hole. The mounting hole has an inner wall formed with twelve resting protrusions and twelve chambers located between the twelve resting protrusions. Thus, by provision of the twelve resting protrusions and the twelve chambers of the ratchet socket, the ratchet socket can be used to operate a special screw, such as the gear-shaped screw, the ratchet screw, the star-shaped screw or the like, thereby greatly enhancing the versatility of the ratchet socket.
    Type: Application
    Filed: August 19, 2003
    Publication date: May 20, 2004
    Inventor: Pao-Chu Fu
  • Electric ratchet wrench or similar article
    Patent number: D323603
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: February 4, 1992
    Inventor: Pao-Chu Fu