ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,734, issued on Aug. 4, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Piston with combustion stabilizing bowl" was invented by Christopher M. Hoops (Bellingham, Wash.), Sean Jeffery Moser (Bellingham, Wash.), Adam J. Clute (Lafayette, Ind.), Andrew Joseph Loetz (West Lafayette, Ind.), Aaron Ness (Battle Ground, Ind.) and Tyler M. Kackley (Bellingham, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piston for engine may include an annular body including a combustion bowl defining a volume and surrounded on a top side thereof by an annular crown portion defining a top squish surface with include an inner edge defining an opening to the combus...