ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,875, issued on Feb. 4, was assigned to H2OT S.r.l. (Comunanza, Italy).

"System for heating a liquid including a high-efficiency heater and an optimizer" was invented by Roberto Corneli (Montecosaro, Italy) and Marco Pignotti (Civitanova Marche, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system (1) for heating liquids includes an hydrosonic pump (2) for the heating of the mentioned liquid; a primary circuit (3) in turn comprising, at least: a storage (30) of the above-mentioned liquid or a heat exchanger (45); a plurality of pipes (31, 32), in order to get a mutual connection with the mentioned storage (30) or heat exchanger (45) with the ...