Patents by Inventor Leonard J. Herbert

Leonard J. Herbert 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).

  • Gas turbine engine nozzle configurations
    Patent number: 8356468
    Abstract: In one embodiment, a gas turbine engine exhaust nozzle comprises a housing having a length which extends along a central longitudinal axis and comprising an interior surface and an exterior surface, and a row of chevrons extending from an aft end of the housing, the chevrons having a root region and a tip, wherein at least a portion of at least one of the interior surface or the exterior surface is scalloped proximate the root region of a chevron. Other embodiments may be described.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: January 22, 2013
    Assignee: The Boeing Company
    Inventors: David F. Cerra, Lie-Mine Gea, Robert H. Willie, Leonard J. Herbert, Donald E. Robinson