Patents by Inventor James Francis LeBar

James Francis LeBar 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 ignition flame reduction system
    Patent number: 8720181
    Abstract: A method and apparatus for launching a space vehicle. Operation of a first portion of a plurality of rocket engines associated with a space vehicle is started such that a flow of a gas is initiated through a duct system under the plurality of rocket engines. The gas is located in an area near the plurality of rocket engines. Operation of a second portion of the plurality of rocket engines associated with the space vehicle is started after the flow of the gas begins traveling through the duct system to launch the space vehicle.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: May 13, 2014
    Assignee: The Boeing Company
    Inventors: David James Kirshman, Darren Alec Fricker, James Francis LeBar