ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,929, issued on March 31, was assigned to Dukane IAS LLC (St. Charles, Ill.).

"Automated ultrasonic press systems and methods for welding physically variant components" was invented by Leo Klinstein (Glenview, Ill.), Paul J. Golko (Crystal Lake, Ill.), Charles Leroy Leonard (St. Charles, Ill.) and Matthew James Dittrich (Chagrin Falls, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure can provide for an ultrasonic welding method for a pair of workpieces. The method can include first pressing an ultrasonic welding stack against a first workpiece in the pair so that the first workpiece comes into contact with a second workpiec...