Patents by Inventor James E. Richard, Jr.

James E. Richard, Jr. 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).

  • Patent number: 8857506
    Abstract: Systems, methods, and heaters for treating a subsurface formation are described herein. At least one method for providing power to one or more subsurface heaters is described herein. The method may include monitoring one or more operating parameters of the heaters, the intermittent power source, and a transformer coupled to the intermittent power source that transforms power from the intermittent power source to power with appropriate operating parameters for the heaters; and controlling the power output of the transformer so that a constant voltage is provided to the heaters regardless of the load of the heaters and the power output provided by the intermittent power source.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: October 14, 2014
    Assignee: Shell Oil Company
    Inventors: Francis Marion Stone, Jr., Charles R. Goodwin, James E. Richard, Jr.