ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,298, issued on June 17, was assigned to LINCOLN GLOBAL INC. (Santa Fe Springs, Calif.).
"Weld angle correction device" was invented by Levi J. Mitchell (Windsor, Colo.) and Zachary A. Christy (Fort Collins, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of programming multiple weld passes in a collaborative robot welding system to perform multi-pass welding is provided. A root pass is programmed for a first weld seam by manually positioning a welding torch and automatically recording root pass position and angle data. Secondary passes for the first weld seam are also programmed. The tip of the welding torch is positioned at a start po...