ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,673, issued on Oct. 27, was assigned to Enhanced GEO Holdings LLC (Thonotosassa, Fla.).

"System and method for magma-driven thermochemical processes" was invented by Greg Lindberg (St. Petersburg, Fla.) and Kimberly C. Conner (St. Petersburg, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for carrying out a thermochemical process includes injecting one or more feed streams into a reaction chamber. The reaction chamber is maintained at a reaction temperature using heat obtained directly from a subterranean heat source. The method includes maintaining the one or more feed streams in the reaction chamber for a residence time to form one o...