ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,062, issued on Feb. 18, was assigned to Generac Power Systems Inc. (Waukesha, Wis.).
"Diesel emissions control system" was invented by Enrique Guzman (Caledonia, Wis.), Joseph Morgan (Cudahy, Wis.) and Antonio Carini (West Allis, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A diesel emissions control system comprising a first DEF tank and a second DEF tank. A pump for pumping fluid from one or more of the first DEF tank and the second DEF tank. A connection line fluidly connecting the first DEF tank and the second DEF tank. A heating system preventing freezing of the DEF in the diesel emissions control system."
The patent was filed on Feb. 2...