ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,797, issued on April 14, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Method for operating a ring communication network" was invented by Michael Jordan Kilkenny (Peoria, Ill.), Matthew Lee Boggs (Metamora, Ill.), Daniel Mark Jessup (Thorney, Great Britain), Keith Nicholas Troisi (Dunlap, Ill.), Michael David Smith (Huntingdon, Great Britain) and Jared James Brodbeck (Metamora, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a ring communication network, including providing a management device having a first processor, a first memory, a first communicator, and a computer program stored in the first memory and capable o...