Patents by Inventor Shyan-Dyi Guo

Shyan-Dyi Guo 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).

  • Bidirectional two-volume flush control mechanism for toilets
    Patent number: 5519898
    Abstract: A bidirectional two-volume flush control mechanism which permits a part of the water to be suddenly driven out of the water tank when the trip handle is pulled upwards and, which permits the whole volume of the water to be completely driven out of the water tank when the trip handle is pushed downwards to move an actuating rod over a roller, which is mounted on the top end of a cylindrical float that is coupled to a swivel rod.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: May 28, 1996
    Inventors: Jeng-Yeou Guo, Shyan-Dyi Guo