ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,468, issued on July 8, was assigned to Rheem Manufacturing Co. (Atlanta).

"Heat trap apparatus for water heater" was invented by Gary Flatness (Montgomery, Ala.), William White (Montgomery, Ala.) and Jason Hall (Montgomery, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat trap apparatus for a water heater is provided. The heat trap apparatus includes a tubular body, a liner disposed within the tubular body, and a heat trap baffle assembly having a tubular housing coaxially disposed within the liner. The liner includes a projection to engage with an inner surface of the tubular body at a first end using an interference fit. The tubular housi...