ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,618, issued on Feb. 4, was assigned to Perkins Engines Co. Ltd. (Peterborough, Great Britain).
"Filters for cooling apparatus" was invented by Wing Ngai Wong (Peterborough, Great Britain) and Siddharth Subhash Gharpure (Peterborough, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling apparatus for an engine comprising: a) a coolant reservoir comprising a coolant line outlet port; b) a tank for holding an aqueous urea solution for injection into an exhaust system of the engine; c) a coolant line for transferring a coolant fluid discharged from the coolant reservoir via the coolant line outlet port to the tank to enable, in use, hea...