Patents by Inventor Stephen Michael Levy

Stephen Michael Levy 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).

  • Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
    Patent number: 9309755
    Abstract: A method for accommodating thermal expansion of a heater in a formation includes flowing a heat transfer fluid through a conduit to provide heat to the formation and providing substantially constant tension to an end portion of the conduit that extends outside the formation. At least a portion of the end portion of the conduit is wound around a movable wheel used to apply tension to the conduit.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: April 12, 2016
    Assignee: Shell Oil Company
    Inventors: Manuel Alberto Gonzalez, Antonio Maria Guimaraes Leite Cruz, Gonghyun Jung, Justin Michael Noel, Ernesto Rafael Fonseca Ocampos, Jorge Antonio Penso, Jason Andrew Horwege, Stephen Michael Levy, Damodaran Raghu