ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,555, issued on May 20, was assigned to Cummins Emission Solutions Inc. (Columbus, Ind.).
"Exhaust gas aftertreatment system" was invented by Ryan M. Johnson (Cottage Grove, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust gas aftertreatment system includes: a first decomposition chamber; a first dosing module coupled to the first decomposition chamber and configured to provide a first treatment fluid into the first decomposition chamber; a first conversion catalyst member; a second decomposition chamber; a second dosing module coupled to the second decomposition chamber and configured to provide a second treatment fluid into the second...