ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,816, issued on April 29, was assigned to DOBEN Ltd. (Windsor, Canada).

"Integrated electrode maintenance for robotic welding cell" was invented by David M. Simone (Amherstburg, Canada), Daniel P. Vanderzwet (Omemee, Canada) and Philip W. Brown (Leamington, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A welding station includes a welding gun that includes first and second caps. The welding gun is movable between a working position and a maintenance position. The working position corresponds to a welding operation on at least one workpiece. A maintenance tool assembly is configured to cooperate with the first and second caps in the maintenance...