Patents by Inventor Lawerence A. Saia

Lawerence A. Saia 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).

  • Turbine rotor blade tip coated with alumina-zirconia ceramic
    Patent number: 5059095
    Abstract: A rotor blade is for a gas turbine engine having a plurality of rotor blades and a substantially coaxial shroud encompassing the tips of the blades. A ceramic layer is bonded to the blade tip, the ceramic layer consisting of a combination of aluminum oxide and zirconium oxide or at least partially stabilized zirconium oxide. The ceramic layer is formed as a plasma sprayed coating or a high velocity oxy-fuel sprayed coating.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: October 22, 1991
    Assignee: The Perkin-Elmer Corporation
    Inventors: Burton A. Kushner, Anthony J. Rotolico, John E. Nerz, Lawerence A. Saia