Patents by Inventor Constance A. Henshall

Constance A. Henshall 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).

  • High temperature silicide protective coating slurry
    Patent number: 5043378
    Abstract: A coating slurry comprised of 42 percent silicon and 10 percent chromium metal powders; 45 percent lacquer base including toluene, xylene, and a polymeric binder; and 3 percent antisettling agent. After the slurry has been applied and then subjected to a high temperature vacuum processing, a ceramic coating is obtained which provides 3000.degree. F. high temperature oxidation protection for a refractory tantalum alloy substrate.
    Type: Grant
    Filed: March 21, 1991
    Date of Patent: August 27, 1991
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Charles M. Packer, Constance A. Henshall, Earl K. Montgomery