Patents by Inventor Brian K. Gracias

Brian K. Gracias 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).

  • Composite airfoil with woven insert
    Patent number: 5279892
    Abstract: Inserting a woven composite layer between laminates of composite material layers where the insert layer comprises composite, carbon fibers woven in a three dimensional weave. The woven insert is injected with a resin material and partially cured prior to deposition of the composite layers. The complete blade is then molded and cured as a unit.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: January 18, 1994
    Assignee: General Electric Company
    Inventors: Jack W. Baldwin, Brian K. Gracias