ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,348, issued on Oct. 14, was assigned to FEDERAL-MOGUL NURNBERG GMBH (Nuremberg, Germany).
"Piston for an internal combustion engine" was invented by Rainer Weiss (Nuremberg, Germany), Jens Lehmann (Nuremberg, Germany), Michael Grabinger (Nurberg, Germany), Christian Lindner (Bubenreuth, Germany), Michael Scherer (Furth, Germany), Ralf Meske (Schwabach, Germany) and Sven Ungermann (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A piston for an internal combustion engine includes at least one annular groove in the piston material, preferably the first annular groove closest to the piston crown, which is configured such that, when vi...