ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,306, issued on Sept. 22, was assigned to Lloyds Engineering Works Ltd. (Mumbai, India).

"Method of descaling heavy gage sheet metal coils and heavy gage individual sheets of sheet metal" was invented by Kevin Voges (Red Bud, Ill.) and Alan Mueth (Red Bud, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Coils of sheet metal and individual sheets of sheet metal having a thickness of greater than 0.074 inches are descaled in a processing line. The processing line has a cut to length portion, a conveyor, a destacker, and an apparatus for descaling the sheet metal by propelling one of grit and slurry against the sheet metal using an impeller wheel. ...