Patents by Inventor Keith J. Rockcastle

Keith J. Rockcastle 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).

  • Patent number: 5201615
    Abstract: A reusable break-out support tool and method are provided for use in drilling, or the like, a workpiece. The tool employs a granulated media situated within a cylinder. When a workpiece is to be drilled, the cylinder with the granulated media is engaged with the side of the workpiece which will bear the exit opening of the hole to be drilled. The granulated media is pressurized whereby it forms a load bearing surface applied to the workpiece.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: April 13, 1993
    Assignee: The Boeing Company
    Inventors: Matthew J. Patterson, Keith J. Rockcastle