ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,170, issued on April 21, was assigned to Rondo Energy Inc. (Alameda, Calif.).

"Thermal energy storage system for use with a low temperature heat source and a thermal power cycle system" was invented by Yusef Desjardins Ferhani (Menlo Park, Calif.) and John Setel O'Donnell (Oakland, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000deg C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperatu...