ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,545, issued on Jan. 28, was assigned to Inpro/Seal LLC (Rock Island, Ill.).
"Natural gas engines with fuel quality determination" was invented by Kennon Guglielmo (San Antonio), Justin H. Sanders (San Antonio), Michael T. Hambidge (San Antonio), Timothy J. Westerdale (San Antonio), James Cole (Helotes, Texas), Chad Stovell (San Antonio) and Timothy J. Barton (San Antonio).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for automatic calibration of large industrial engines in applications where the quality of the fuel supply is unknown and/or variable over time, particularly engines that drive compressors on a natural gas well site....