ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,868, issued on Dec. 30, was assigned to Kohler Co. (Kohler, Wis.).
"Quiet flush actuator for pressure-assist toilets" was invented by William C. Kuru (Plymouth, Wis.) and William Kalk (Sheboygan, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tank assembly for a pressure-assist toilet includes a flush assembly having an outer chamber and an inner chamber disposed in the outer chamber. The flush assembly further includes a flush valve disposed in the inner chamber, and a pilot valve disposed in the inner chamber and extending through the flush valve. The tank assembly further includes an actuator engaging the pilot valve and configured to hold...