ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,140, issued on Dec. 16.
"Multi-tank storage type gas water heater" was invented by Stanley Ray Widows (Cicero, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A storage type gas water heater has two or more tanks providing a primary heated water storage tank from which hot water is drawn, and one or more supplementary water storage tanks that utilize hot combustion gas from the primary heated water storage tank to generate and supply temperate water to previous supplementary water storage tanks and/or the primary water storage tank. A diffuser chamber is provided between the primary heated water storage water tank and the supplementary water sto...