Patents by Inventor Mary E. Hyland

Mary E. Hyland 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 ceramic bodies in composite armor
    Patent number: 5361678
    Abstract: Lightweight composite armor comprising a plurality of ceramic bodies embedded in a metal matrix. The ceramic bodies are preferably generally spherical alumina balls coated with a binder and ceramic particles. A particularly preferred coating comprises titanium dioxide and barium sulfate particles suspended in an aqueous sodium silicate solution at a thickness of about 0.76-1.5 mm.
    Type: Grant
    Filed: September 21, 1989
    Date of Patent: November 8, 1994
    Assignee: Aluminum Company of America
    Inventors: Brijmohan J. Roopchand, David I. Yun, Douglas E. Marinaro, Mary E. Hyland