Patents by Inventor Chan B. Phan

Chan B. Phan 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).

  • Valve assemblies
    Patent number: 5469881
    Abstract: A high pressure stop kit for a valve assembly such that an inspection port can be sealed. The kit includes a plug to be screwed into the port and an over-plate secured to that plug. The interface between the plate, plug and port secured to that plug. The interface between the plate, plug and port wall being sealed by a gasket `O` ring or other appropriate sealing means held in necessed sections.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: November 28, 1995
    Assignee: Control Components Inc.
    Inventors: Chan B. Phan, Michael Walsh