ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,281, issued on May 27, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Heat exchanger and heat exchange ventilator" was invented by Toshiaki Hayashi (Tokyo), Hajime Sotokawa (Tokyo) and Shinya Morikawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanger that performs heat exchange between a supply air flow and an exhaust air flow includes: a heat exchange element in a prism shape; a plurality of frame bars, each of the plurality of frame bars being attached to a corresponding side of the heat exchange element, the corresponding side extending along an axial direction of the heat exchange element; and an end face plate at least...