Patents by Inventor William E. Hoehn

William E. Hoehn 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 assembly structure for a fluid system
    Patent number: 5419531
    Abstract: A valve assembly structure including a valve body having a fluid passage therein to allow fluid to flow from one end port opening to an opposite end port opening, the valve body including an annular sealing surface cooperative with at least one of the end port openings with a valve stem cooperatively aligned with such end port opening to open and close the same, the valve stem having a collar restrainedly fastened to such valve stem to present an annular collar sealing surface facingly cooperative with the annular sealing surface on the valve body to fluid seal the end port opening when the valve stem is moved to a closed position.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: May 30, 1995
    Assignee: Emerson Electric Co.
    Inventor: William E. Hoehn