Patents by Inventor Alan George MacDonald

Alan George MacDonald 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).

  • Gas turbine engines
    Patent number: 3956887
    Abstract: A core engine or gas generator for use in a range of gas turbine engines, which consist of a multi-stage compressor and a single stage supersonic turbine, the compressor and turbine being mouned on a single shaft. The compressor includes a number of stages of variable angle and the gas generator has an annular combustion chamber.
    Type: Grant
    Filed: November 11, 1974
    Date of Patent: May 18, 1976
    Assignee: Rolls-Royce (1971) Limited
    Inventor: Alan George MacDonald