US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on June 24 for "Exhaust gas treatment system for controlling hydrocarbon adsorption/desorption in hydrocarbon trap" (Michigan Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,762, issued on June 24, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Exhaust gas treatment system for controlling hydrocarbon adsorption/desorption in hydrocarbon trap" was invented by Yuntao Gu (Farmington Hills, Mich.), Patrick G. Szymkowicz (Shelby Township, Mich.), Wei Li (Troy, Mich.), Calvin Thomas (Royal Oak, Mich.) and Mingjie Tu (Sterling Heights, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust gas treatment system including: an internal combustion engine comprising an exhaust gas outlet; a first three way catalyst downstream of the exhaust gas outlet, wherein the first three way catalyst receives an exhau...