ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,257, issued on Jan. 13, was assigned to A. Stucki Co. (Moon Township, Pa.).
"End cap for vacuum discharge outlet gate and method" was invented by David Oestermeyer (Downers Grove, Ill.), William Borowski (Lemont, Ill.), Edward Fox (Chicago) and James M. McLaughlin (Thornton, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vented end cap for an outlet gate comprises a generally cylindrical body, a disc-shaped end wall with at least one flow aperture; a vent hood on the exterior of the end wall defines an air flow passage having an inlet opening and communicates with the flow aperture; a filter support housing on the interior surface of the end ...