ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,168, issued on Oct. 14, was assigned to Sloan Valve Co. (Franklin Park, Ill.).

"Flushometer system" was invented by Jon Demczewski (Batavia, Ill.), Corey Dahlberg (Orland Park, Ill.), John Wilson (Naperville, Ill.) and Richard Schultz (Niles, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flushometer system includes a pressure vessel with a flow path defined between a valve inlet chamber and an outlet and a valve assembly disposed within the pressure vessel and configured to selectively open and close the flow path. A primary diaphragm assembly is disposed within the pressure vessel and includes a primary disc configured to be moveable to act...