ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,791, issued on Sept. 2, was assigned to Purem GmbH (Neunkirchen, Germany).

"Heating conductor for an exhaust gas heater" was invented by Dietmar Kuschel (Murr, Germany), Sandra Hockel (Esslingen am Neckar, Germany) and Christoph Illi (Baltmannsweiler, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust gas heater for an exhaust gas system of an internal combustion engine includes a heating conductor. The heating conductor is constructed from flat material which is elongate in a heating-conductor longitudinal direction and has heating-conductor broad sides situated opposite one another in a heating-conductor thickness direction and heat...