Patents by Inventor Jon Volkmann

Jon Volkmann 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).

  • COMBINED CYCLE PROPULSION SYSTEM
    Publication number: 20160010485
    Abstract: A combined cycle propulsion system includes a low-speed propulsion engine and a high-speed propulsion engine that has a compression zone. A non-propulsion turbine is connected with the compression zone. An accessory drive gearbox is mechanically coupled with the low-speed engine and mechanically coupled with the non-propulsion turbine. For example, the low-speed propulsion engine is a turbine engine and the high-speed propulsion engine is a ramjet or scramjet engine.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 14, 2016
    Inventors: Jon Volkmann, Melvin J. Bulman, Adam Siebenhaar