ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,893, issued on Sept. 8.

"Heat exchanger systems" was invented by Ralph Feria (Easley, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heated suction line accumulator may include a tank extending in a longitudinal direction and having a first interior cavity and a refrigerant input orifice extending through a sidewall of the tank that is configured to receive input refrigerant. An intermediate tube extending in the longitudinal direction may be disposed in the first interior cavity. At least one aperture may extend through a sidewall of the intermediate tube for allowing input refrigerant to flow therethrough. At least one heating line may be d...