Patents by Inventor Courtney J. Hartmann

Courtney J. Hartmann 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).

  • Brush Assembly with Non-Rotating Stabilizer and Brushes
    Publication number: 20110271470
    Abstract: A brush assembly for cleaning a surrounding tubular member. The brush assembly includes a brush portion that is rotationally moveable with respect to a central tool mandrel and debris chamber. The brush portion includes at least one brush and a stabilizer.
    Type: Application
    Filed: May 4, 2010
    Publication date: November 10, 2011
    Applicant: Baker Hughes Incorporated
    Inventors: Gregory L. Hern, Courtney J. Hartmann, Thomas M. Ashy