Patents by Inventor Jeff M. Richards

Jeff M. Richards 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).

  • Stabilized thermally beneficiated low rank coal and method of manufacture
    Patent number: 6090171
    Abstract: A process for reducing the spontaneous combustion tendencies of thermally beneficiated low rank coals employing heat, air or an oxygen containing gas followed by an optional moisture addition. Specific reaction conditions are supplied along with knowledge of equipment types that may be employed on a commercial scale to complete the process.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: July 18, 2000
    Assignee: Western Syncoal Company
    Inventors: Arthur J. Viall, Jeff M. Richards
  • Stabilized thermally beneficiated low rank coal and method of manufacture
    Patent number: 5863304
    Abstract: A process for reducing the spontaneous combustion tendencies of thermally beneficiated low rank coals employing heat, air or an oxygen containing gas followed by an optional moisture addition. Specific reaction conditions are supplied along with knowledge of equipment types that may be employed on a commercial scale to complete the process.
    Type: Grant
    Filed: August 15, 1995
    Date of Patent: January 26, 1999
    Assignee: Western Syncoal Company
    Inventors: Arthur J. Viall, Jeff M. Richards