Patents by Inventor Raymond Tseng

Raymond Tseng 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).

  • DIVERTER VALVE WITH MULTIPLE VALVE SEAT RINGS
    Publication number: 20050263194
    Abstract: A diverter valve includes a valve bore having a set of valve seats associated with each fluid outlet port. Each set of valve seats is at least partially separated from one another by a flow channel. The valve seat configuration increases the impact area for the valve element. As a result, the impact force upon seating against the valve seats is reduced. Moreover, by including flow channels between the sets of valve seats, the switching force and performance of the valve element is not adversely affected.
    Type: Application
    Filed: January 26, 2004
    Publication date: December 1, 2005
    Inventors: Raymond Tseng, Bruce Larsen