ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,079, issued on July 21, was assigned to TRUMPF LASER-UND SYSTEMTECHNIK GMBH (Ditzingen, Germany).

"Laser welding of busbars with beam shaping" was invented by Steven Weidgang (Ditzingen, Germany), Johannes Seebach (Stuttgart, Germany), Oliver Bocksrocker (Sachsenheim, Germany), Joerg Smolenski (Lauterbourg, France) and Nicolai Speker (Pleidelsheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for joining busbars includes reshaping a raw laser beam to obtain a reshaped laser beam. The reshaped laser beam comprises a core focus portion and at least one ring focus portion. The core focus portion and the ring focus portion are coaxial...