Patents by Inventor David E. Hanks

David E. Hanks 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).

  • Rocket engine power cycle
    Patent number: 7997060
    Abstract: An expander heat exchanger cycle system provides a fuel or oxidizer routed through a heat exchanger to cool and condense a coolant/turbine drive fluid.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: August 16, 2011
    Assignee: Pratt & Whitney Rocketdyne, Inc.
    Inventors: Christopher M. Erickson, James R. Lobitz, William R. Bissell, David E. Hanks, Corey D. Brown