Patents by Inventor Stephen J. Garnall

Stephen J. Garnall 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).

  • Downhole induction heating tool for enhanced oil recovery
    Patent number: 6285014
    Abstract: The tool comprises one or more core-coil assemblies 2 jacketed in an non-magnetic and electrically insulating, tubular outer housing, 10. The housing enables high power transfer efficiency. A structural skeleton 20 extends longitudinally through the tool for axially reinforcement. The core-coil assemblies 2 are encapsulated in epoxy 77 to mechanically rigidify and protect them as well as to isolate the coil windings 51 from the power bus 23 extending longitudinally of the core-coil assemblies through a peripheral busway 60, 61.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: September 4, 2001
    Assignee: Neo PPG International, Ltd.
    Inventors: Thomas Beck, Stephen J. Garnall, David Seemab Kahn, Bruce C. W. McGee, Alan J. Sallwasser, George T. Stapleton, II, Mark W. Wassell