ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,139, issued on Aug. 26, was assigned to Koloma Inc. (Denver).

"Systems and methods for evaluating hydrogen generation potential from rocks for natural hydrogen exploration" was invented by Thomas Darrah (Westerville, Ohio), Brent Lary (Columbus, Ohio), Christopher Gardner (Columbus, Ohio), Colin Whyte (Grove City, Ohio) and William Eymold (Columbus, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "The mineralogical, chemical, magnetic, and physical properties of a rock can be used to determine the amount of hydrogen that was generated during rock alteration and the remaining amount of hydrogen generation potential. The methodologies evaluate the ...