ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,414, issued on April 21, was assigned to Baltimore Aircoil Co. Inc. (Jessup, Md.).

"Heat transfer apparatus and method" was invented by Jian Xu (Ellicott City, Md.), Yohann Lilian Rousselet (Baltimore), Ellie M. Litwack (Columbia, Md.), Preston Blay (Silver Spring, Md.), Iuliu Iosifescu (Phoenix), Philip Hollander (Silver Spring, Md.) and Nikhin Herbert Mascarenhas (Woodstock, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, a heat transfer apparatus for an industrial process that requires process fluid at a process fluid set temperature. The heat transfer apparatus includes a process fluid heat exchange circuit having a heat excha...