ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,313, issued on Jan. 13, was assigned to Val-Matic Valve & Manufacturing Corp. (Elmhurst, Ill.).
"Combination air valve" was invented by Doug Zimmerer (Winfield, Ill.) and Timothy M. O'Shea (Palatine, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A combination air valve having a float arm that closes a smaller orifice and a larger orifice. The smaller orifice is configured to release small amounts of air that builds up in the valve and the large orifice is configured to allow for larger releases of air. A single float-operated float arm closes both orifices."
The patent was filed on June 12, 2024, under Application No. 18/741,151.
*For furthe...