Patents by Inventor Thomas W. Alban

Thomas W. Alban 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).

  • Ceramic coated piston rings
    Patent number: 4106782
    Abstract: Disclosed herein is a piston ring for an internal combustion ring having its face plasma sprayed with a ceramic coating comprised of 40% by weight titanium dioxide and 60% by weight aluminum oxide. The ceramic coating material has a low coefficient of friction, high material integrity and superior wetting characteristics.
    Type: Grant
    Filed: August 18, 1977
    Date of Patent: August 15, 1978
    Assignee: Koppers Company, Inc.
    Inventors: Glenn F. Hyde, Thomas W. Alban
  • Ceramic coated piston rings
    Patent number: 4077637
    Abstract: Piston rings for internal combustion engines having the bearing face plasma sprayed with a superior scuff and wear resistant material. The bearing surface of the rings is plasma jet sprayed with a bond coat comprised of nickel, chromium and aluminum and a scuff and wear resistant coating of aluminum oxide, titanium dioxide and ferric oxide.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: March 7, 1978
    Assignee: Koppers Company, Inc.
    Inventors: Glenn F. Hyde, Thomas W. Alban