ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,252, issued on Sept. 30, was assigned to EnhancedGEO Holdings LLC (St. Petersburg, Fla.).

"Geothermal system with a pressurized chamber in a magma wellbore" was invented by Greg Lindberg (Thonotosassa, Fla.) and Kimberly C. Conner (Wetumpka, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A geothermal system includes a wellbore with a borehole extending from a surface into an underground reservoir of magma. A chamber is located within the borehole and extends at least partially into the underground reservoir of magma. An inlet conduit allows flow of heat transfer fluid from the surface and into the chamber. An outlet conduit allows flow of heat...