Patents by Inventor Robert D. Tramm

Robert D. Tramm 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).

  • Patent number: 5810263
    Abstract: A horizontal-type fire protection sprinkler has a body defining an orifice and outlet for flow of fluid from a source, and a deflector disposed generally along an axis of the orifice and positioned for impingement of the flow of fluid from the outlet thereupon. The deflector has a generally vertical portion and a generally horizontal flow confining element. A substantial portion of the generally horizontal flow confining element is disposed relatively closer to the orifice than the generally vertical portion.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: September 22, 1998
    Assignee: Grinnell Corporation
    Inventor: Robert D. Tramm