Patents by Inventor Norman L. Jones

Norman L. Jones 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).

  • Self-venting grommet for coil-on-plug
    Patent number: 5944002
    Abstract: A vented, unitary sealing grommet for establishing a first liquid-tight interface between a ignition coil and a spark plug adapter tube and a second liquid-tight interface between the ignition coil and a valve cover includes a hollow main body portion having a substantially cylindrical shape with a longitudinal axis and including a pair of annular sealing ribs, a planar flange portion which is disposed within a geometric plane which is substantially perpendicular to the longitudinal axis, the main body portion being designed to fit between the ignition coil and the spark plug adapter tube such that the annular sealing ribs are compressed due to the interference fit. The planar flange portion is designed to fit between ignition coil and the valve cover.
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: August 31, 1999
    Assignee: Cummins Engine Company, Inc.
    Inventors: Lawrence P. Tracy, Jonathan L. Umsted, Norman L. Jones, Bryan E. Hansome, Michael W. Alstrin