ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,981, issued on Oct. 6, was assigned to The Regents of the University of California (Oakland, Calif.).

"Designs and applications of a low-drag, high-efficiency microchannel polymer heat exchanger" was invented by Vinod Narayanan (Davis, Calif.) and Erfan Rasouli (Sacramento, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Designs and applications of a polymer heat exchanger that includes a set of polymer plates with internal flow passages configured to carry a first gas or liquid. The set of plates is organized into a stack, wherein consecutive plates in the stack are separated by fins to form intervening flow passages for a second gas or liquid...