Patents by Inventor George R. DeVaux

George R. DeVaux 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).

  • H-Coal process and plant design
    Patent number: 4400263
    Abstract: A process for converting coal and other hydrocarbonaceous materials into useful and more valuable liquid products.
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: August 23, 1983
    Assignee: HRI, Inc.
    Inventors: Paul H. Kydd, Michael C. Chervenak, George R. DeVaux