ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,724, issued on Nov. 25, was assigned to Sermeta (France).
"Condensation heat exchanger" was invented by Joseph Le Mer (Plouezoch, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A condensation heat exchanger including at least one helically-coiled tube, inside which a fluid to be heated can circulate, a deflector, and a shell mounted inside which the tube, the shell having a gas-discharge sleeve having a bottom and a facade for feeding and/or producing a hot gas, inside the shell. The shell comprises a tubular metallic shroud closed at its two ends by a facade and a bottom, wherein the bottom is made of composite plastic, the rear edge of the ...