Patents by Inventor George N. Kreig

George N. Kreig 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).

  • Expandable brush
    Patent number: 9470065
    Abstract: Expandable brushes for cleaning a surrounding tubular member. Brushes include a housing to be disposed within the surrounding tubular member and a brush shoe that retains at least one brush bristle, the brush shoe being radially moveable with respect to the housing between a radially retracted position and a radially expanded position.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: October 18, 2016
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Samuel K. Kruger, Joseph Cottrell, George N. Kreig
  • Expandable Brush
    Publication number: 20160061006
    Abstract: Expandable brushes for cleaning a surrounding tubular member. Brushes include a housing to be disposed within the surrounding tubular member and a brush shoe that retains at least one brush bristle, the brush shoe being radially moveable with respect to the housing between a radially retracted position and a radially expanded position.
    Type: Application
    Filed: September 2, 2014
    Publication date: March 3, 2016
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Samuel K. Krueger, Joseph Cottrell, George N. Kreig