Patents by Inventor Thomas A. Zack

Thomas A. Zack 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).

  • Graphite fiber/metal composites
    Patent number: 4072516
    Abstract: A novel graphite fiber/metal composite material in which the graphite fibers have an adherent coating of silicon oxide and silicon carbide. The coating protects the graphite surface from attack by carbide forming matrix metals such as aluminum, titanium, magnesium and nickel. In a preferred embodiment of the invention the coating is formed by an intermediate temperature vapor deposition technique involving the reduction of silicon tetrachloride in the presence of hydrogen and an oxygen containing gas.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: February 7, 1978
    Assignee: Fiber Materials, Inc.
    Inventors: Roger T. Pepper, Thomas A. Zack