Patents by Inventor Max E. Kattner

Max E. Kattner 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).

  • Diverter system test tool and method
    Patent number: 4817724
    Abstract: A method and apparatus for testing a blowout preventer packer element of a diverter system on an offshore drilling rig utilizes an inflatable packer. The packer has a tubular member than extends upward through the diverter packer element. The packer has an expansive seal element that seals in the upper portion of a marine riser assembly. The diverter packer element is closed around the tubular member, while the packer seal element seals against the upper portion of the marine riser assembly. Fluid pressure is applied to the diverter system port to test for leakage.
    Type: Grant
    Filed: August 19, 1988
    Date of Patent: April 4, 1989
    Assignee: Vetco Gray Inc.
    Inventors: Robert R. Funderburg, Jr., Max E. Kattner, Lionel J. Milberger, Louis D. Slaughter