ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,797, issued on Sept. 2, was assigned to BorgWarner Inc. (Auburn Hills, Mich.).

"Exhaust gas control valve" was invented by Benjamin Norman Lang (Swartz Creek, Mich.), Timothy Patrick Heslip (Clarkston, Mich.) and Ian Anton Bartusch (Waterford, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust gas control valve includes a housing having an interior wall defining a housing interior, a pinion gear coupled to the housing and configured to be rotatably driven, and a helical gear configured to receive torque from the pinion gear and including a plurality of helically arranged teeth. The exhaust gas control valve also includes a valve member ...