Patents by Inventor G. Daniel Brewer

G. Daniel Brewer 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).

  • Variable cycle engine for high altitude aircraft
    Patent number: 4598543
    Abstract: A turboshaft engine is modified to be able to operate as a turbojet or a turboprop by the movement of an annular slide valve that directs gas flow between a high pressure turbine and a low pressure turbine.
    Type: Grant
    Filed: February 6, 1985
    Date of Patent: July 8, 1986
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: G. Daniel Brewer