Patents by Inventor Robert Griggs

Robert Griggs 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).

  • Publication number: 20070130944
    Abstract: A method for improving compressor/exhaust turbine efficiency's due to better application and control of turbines created by multiple stages.
    Type: Application
    Filed: December 10, 2005
    Publication date: June 14, 2007
    Inventors: Bradley Pelletier, Robert Griggs, Gary Hoffman