ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,388, issued on June 24, was assigned to Agnitron Technology Inc. (Chanhassen, Minn.).

"Metal 3D printed heat exchangers and fluid directing devices" was invented by Aaron Fine (Golden Valley, Minn.), Andrei Osinsky (Chanhassen, Minn.), Evan Buskirk (Maple Grove, Minn.) and Alexei Osinksy (Eden Prairie, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid-directing device, which may be a CVD showerhead, includes a unitary body of additive metal construction, which may be made by 3D metal printing. The unitary body has a passage(s), fluid entrance(s), and fluid exit(s), arranged to direct fluid(s). The passage(s), fluid entrance(s) and fluid e...