ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,977, issued on April 15, was assigned to AirMyne Inc. (Berkeley, Calif.).

"Carbon dioxide removal systems using a geothermal heat source" was invented by Bart Ludo Scherpbier (San Francisco), Cyndia Aiyun Cao (Oakland, Calif.), Mark Patrick Cyffka (El Cerrito, Calif.), Valerie Ann Wilson (Front Royal, Va.) and Sudip Mukhopadhyay (Berkeley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a general aspect, a carbon dioxide (CO2) removal system uses geothermal energy. In some implementations, a method to remove CO2 gas from a gaseous feed includes directing a gaseous feed to interact with an alkaline capture solution in a first gas-liquid conta...