Patents by Inventor Hung-Nang Wu

Hung-Nang Wu 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).

  • Publication number: 20070018130
    Abstract: A ceramic valve for antifreezing faucets including a straight water supply pipe, a shaft base installed in an upper section of a main body of the water supply pipe and connected to a down connecting rod at a lower section, and a double-plate ceramic intake valve. Wherein the connecting rod is interlinked at the lower part by a rotary pivot bolt at a bottom for positioning and controlling an alignment of water outlets of both top and bottom ceramic valve plates, so as to open or shut off water and regulate water volume. The double-plate ceramic intake valve includes disc-shaped top and bottom ceramic valve plates. A side of the top ceramic valve plate has some symmetrical position grooves engaged with concave buckling of symmetrical hack levers of the connecting rod.
    Type: Application
    Filed: July 20, 2005
    Publication date: January 25, 2007
    Inventor: Hung-Nang Wu