Patents by Inventor Lyman Johnson

Lyman Johnson 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).

  • MISCHMETAL OXIDE TBC
    Publication number: 20070122658
    Abstract: The present invention is a turbine engine component comprising a superalloy substrate, a bond coat overlying the substrate having a thickness in the range of about 0.0005 inch to about 0.005 inch, a thin alumina scale overlying the bond coat, and a thermal barrier coating (TBC) overlying the thin alumina scale, the TBC having a thickness in the range of about 0.0025 inch to about 0.010 inch, and comprising at least mischmetal oxide.
    Type: Application
    Filed: August 17, 2006
    Publication date: May 31, 2007
    Applicant: GENERAL ELECTRIC CORPORATION
    Inventors: Lyman JOHNSON, Mary Johnson, Robert BRUCE
  • Mischmetal oxide TBC
    Publication number: 20050196635
    Abstract: The present invention is a turbine engine component comprising a superalloy substrate, a bond coat overlying the substrate having a thickness in the range of about 0.0005 inch to about 0.005 inch, a thin alumina scale overlying the bond coat, and a thermal barrier coating (TBC) overlying the thin alumina scale, the TBC having a thickness in the range of about 0.0025 inch to about 0.010 inch, and comprising at least mischmetal oxide.
    Type: Application
    Filed: March 3, 2004
    Publication date: September 8, 2005
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Lyman Johnson, Robert Bruce, Mary Johnson