ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,895, issued on March 25, was assigned to Cummins Inc. (Columbus, Ind.).

"Safety compliant catalyst heating aftertreatment system" was invented by Abhishek Khunte (Maharashtra, India), William D. Meyer (Columbus, Ind.), Marvin Karugarama (Indianapolis) and Kyle Robert Fath (Greenwood, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power converter apparatus includes a parent circuit board comprising a first surface, a second surface, and a thermal conductor core disposed intermediate the first surface and the second surface. A first child circuit is board mounted on the parent circuit board. A first plurality of power switches are mounted on t...