Patents by Inventor Shyh Chyuan Wang

Shyh Chyuan Wang 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).

  • Ball valve having easily assembling structure
    Publication number: 20090008590
    Abstract: A ball valve includes a tubular element having an annular flange extended in the middle portion, and having a valve chamber formed in one end to receive two gaskets and a ball valve member, and having a barrel. A shank is rotatably received in the barrel and coupled to the ball valve member, to rotate the ball valve member relative to the tubular element. A duct includes a peripheral swelling extended from one end and engaged into the valve chamber of the tubular element, and secured to the tubular element with a welding member, for allowing the ball valve member and the gaskets to be easily assembled into the tubular element.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 8, 2009
    Inventor: Shyh-Chyuan Wang
  • Ball valve having easily assembling structure
    Publication number: 20040155218
    Abstract: A ball valve includes a tubular element having an annular flange extended in the middle portion, and having a valve chamber formed in one end to receive two gaskets and a ball valve member, and having a barrel. A shank is rotatably received in the barrel and coupled to the ball valve member, to rotate the ball valve member relative to the tubular element. A duct includes a peripheral swelling extended from one end and engaged into the valve chamber of the tubular element, and secured to the tubular element with a welding member, for allowing the ball valve member and the gaskets to be easily assembled into the tubular element.
    Type: Application
    Filed: February 6, 2003
    Publication date: August 12, 2004
    Inventor: Shyh Chyuan Wang