Patents by Inventor David H. Coltrin

David H. Coltrin 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).

  • Method for composite material repair
    Patent number: 6385836
    Abstract: A method for repairing a composite material having an internal void includes identifying the location of the internal void and forming a single channel extending from a surface of the composite material to the internal void. The method further includes pulling a vacuum in the internal void and inserting a repair material through the channel into the internal void.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: May 14, 2002
    Assignee: Lockheed Martin Corporation
    Inventor: David H. Coltrin