Patents by Inventor Robert D. Schramm

Robert D. Schramm 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).

  • Controlled pressure equalization of atmospheric chambers
    Patent number: 7913770
    Abstract: Methods and devices for equalizing an atmospheric chamber within a well tool in a controlled manner following the operation of setting the well tool. A packer setting tool has a setting mechanism with an atmospheric chamber and an equalization assembly to permit the pressure differential between the atmospheric chamber and the surrounding annulus to be substantially equalized.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: March 29, 2011
    Assignee: Baker Hughes Incorporated
    Inventors: Robert D. Schramm, Marcus A. Avant
  • Controlled Pressure Equalization of Atmospheric Chambers
    Publication number: 20090321081
    Abstract: Methods and devices for equalizing an atmospheric chamber within a well tool in a controlled manner following the operation of setting the well tool. A packer setting tool is described having a setting mechanism with an atmospheric chamber and an equalization assembly to permit the pressure differential between the atmospheric chamber and the surrounding annulus to be substantially equalized.
    Type: Application
    Filed: June 30, 2008
    Publication date: December 31, 2009
    Applicant: Baker Hughes Incorporated
    Inventors: Robert D. Schramm, Marcus A. Avant