ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,563, issued on May 20, was assigned to DEUTZ AG (Cologne, Germany) and Deere & Co. (Moline, Ill.).
"Crankcase with inner and outer coolant jacket" was invented by Tobias Kurt (Dormagen, Germany) and Marco Sliwa (Siegburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crankcase of an internal combustion engine including an outer coolant jacket and a drain channel, which leads through an other wall of the crank case from the outside into the outer coolant jacket, further including a closure element which sits with a closure section in the drain channel and closes the drain channel, an outer coolant jacket, and a closure element, which sits ...