ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,046, issued on July 21, was assigned to FORD GLOBAL TECHNOLOGIES LLC (Dearborn, Mich.).

"System for protecting a fuel cell from cold temperatures" was invented by Jason Meyer (Canton, Mich.), Rajit Johri (San Francisco) and Stanley L. Bower Jr. (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A protection system for a fuel cell is provided that has two different modes of operation. The protection system includes a fuel cell, a cooling system for the fuel cell that controls the temperature of the fuel cell responsive to a controller. The controller is operable in a first mode of operation when a time T for the next start-up is not kno...