ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,482, issued on July 1, was assigned to Marinnovation HB (Falsterbo, Sweden).
"Tube heat exchanger" was invented by Ralf Blomgren (Falsterbo, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tube heat exchanger for exchanging heat from a first fluid to a second fluid, comprising a tubular shell; an inner wall extending around a center axis of said tubular shell and forming a central chamber internally of said inner wall, and an annular heat exchange space extending externally of said inner wall and enclosed by said tubular shell, wherein the heat exchange space comprises a plurality of axially extending heat exchange sectors separated by radial...