US Patent Issued to JTEC ENERGY on Dec. 2 for "Geothermal heat extractor" (Georgia Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,010, issued on Dec. 2, was assigned to JTEC ENERGY INC. (Atlanta).

"Geothermal heat extractor" was invented by Lonnie G. Johnson (Atlanta).

According to the abstract* released by the U.S. Patent & Trademark Office: "A geothermal heat extractor includes a heat transfer fluid and a heat transfer fluid supply conduit. The heat transfer fluid is maintained in the supply conduit in a liquid state at a pressure above its saturation pressure. The geothermal heat extractor further includes a heat transfer fluid return conduit, a geothermal heat source coupled thereto, at least one flow control valve configured to control the flow of the heat transfer fluid from the supply conduit to the r...