Patents by Inventor Wen-Chung Hung

Wen-Chung Hung 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).

  • Hub post for a bicycle
    Patent number: 6783143
    Abstract: A hub post is mounted on a wheel axle of a bicycle and has an anti-rotation locking pin to keep the hub post from rotating and loosening and detaching from the wheel axle. The anti-rotation locking pin is mounted in a countersunk through hole in a closed end of the hub post and is securely held in an axle mounting slot in a fork of the bicycle.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: August 31, 2004
    Inventor: Wen-Chung Hung
  • Pulling knob assembly for venetian blind
    Patent number: 5579819
    Abstract: A pulling knob for coupling the pulling cords of venetian blind together includes a ring shaped body secured to one of the cords and having two annular flanges oppositely extended from the side portions. A number of caps each includes an annular shoulder for engaging with the annular flange so as to be attached to the ring shaped body. The caps each includes a notch for engaging with the other cords so as to couple the cords together. The caps can be easily disengaged from the body in order to release the cords.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: December 3, 1996
    Inventors: Wen-Chung Hung, Suy-Po Chang