Patents by Inventor Eugene M. Augustine

Eugene M. Augustine 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).

  • Coated reinforced ceramic cutting tools
    Patent number: 6447896
    Abstract: Improved formulations for ceramic materials for use as cutting tools are provided. The cutting tool includes a substrate of a ceramic matrix reinforced by ceramic whiskers, which substrate is coated with an adherent outer layer. The ceramic matrix is preferably formed from alumina and may contain toughening agents. The ceramic whiskers are preferably formed from silicon carbide and consist of 2-40% of the substrate. The cuter adherent coating is preferably alumina applied by a CVD process and provides an unexpected improvement in cutting tool longevity.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: September 10, 2002
    Assignee: Greenleaf Technology Corporation
    Inventor: Eugene M. Augustine