Patents by Inventor Kenneth J. Bowles

Kenneth J. Bowles 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).

  • Light weight polymer matrix composite material
    Patent number: 4992528
    Abstract: A graphite fiber reinforced polymer matrix is layed up, cured, and thermally aged at about 750.degree. F. in the presence of an inert gas. The heat treatment improves the structural integrity and alters the electrical conductivity of the materials. In the preferred embodiment PMR-15 polyimides and Celion-6000 graphite fibers are used.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: February 12, 1991
    Assignee: The United States of America, as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Kenneth J. Bowles, Carl E. Lowell