ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,644, issued on Aug. 12, was assigned to Traeger Pellet Grills LLC (Salt Lake City).

"Self-cleaning grilling devices" was invented by Michael V. Colston (Salt Lake City), Daniel A. C. Altenritter (Layton, Utah) and Daniel W. Sluder (Salt Lake City).

According to the abstract* released by the U.S. Patent & Trademark Office: "A firepot for a grilling device comprises one or more walls at least partially forming an outer boundary of the firepot. The firepot is structurally configured to hold at least partially ignited solid fuel. The firepot also comprises a floor defining, at least in part, a lower end of the firepot. The floor comprises one or more holes extending through the floor...