ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,677, issued on Aug. 26, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Power systems and controls for electric machines" was invented by Cameron Thomas Lane (Oro Valley, Ariz.) and Igor Strashny (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine and sitewide control system and method that use a trolley power system at a worksite is disclosed. The trolley power system allows electric machines at the worksite to draw power from the trolley power system to concurrently operate to perform tasks and recharge their batteries. This allows the batteries on electric machines to be smaller than they would otherwise be, since ...