Patents by Inventor Fon-Wen Chiu

Fon-Wen Chiu 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).

  • Automatic lid-lifting and flushing device for water closet
    Patent number: 4055864
    Abstract: A device for automatically controlling the lid and seat of a water closet, and the flushing operation. The device includes an electric circuit which activates a mechanical system for opening and closing the lid, or both the lid and the seat. The system includes a mechanism for automatically flushing the water closet when the lid is being closed.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: November 1, 1977
    Inventors: Yu-Hsing Liu, Fon-Wen Chiu