Patents by Inventor Tseng Chao-I

Tseng Chao-I 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).

  • Water supply device for a drinking fountain
    Patent number: 5161569
    Abstract: A water supply device comprising a water stop cock controlled by a float bowl to stop or open a water discharge pipe for guiding a supply of water from an external water supply source to the water intake piping of a drinking fountain upon the using up of the water contained in the water tank of said drinking fountain.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: November 10, 1992
    Inventor: Tseng Chao-I