ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,988, issued on April 21, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Hot swappable battery configuration" was invented by Michael John Barngrover (Brimfield, Ill.), Corey Allen Kauk (Elk River, Minn.), Mark Andrew Robinson (Davis Junction, Ill.), Steven Robert Krause (Chillicothe, Ill.), Ben Evans (Peoria, Ill.) and Keith Nicholas Troisi (Dunlap, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The electric vehicle that may comprise an electrical power system that includes a first DC link; a first swappable battery in electrical communication with the first DC link, and a second swappable battery substantially the same as the first swappab...