ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,943, issued on Oct. 28, was assigned to Zeco LLC (Chattanooga, Tenn.).
"Compressed air foam mixing system" was invented by Kyle B. Johnson (Booneville, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compressed air foam mixing system that has a mixing device connected to a discharge port of a tank. The mixing device receives fluid from the tank and pressurized air from the tank or alternatively directly from a source of pressurized air. The fluid and pressurized air are combined within the mixing device to form a foam."
The patent was filed on Aug. 26, 2021, under Application No. 17/412,545.
*For further information, including images, charts...