ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,616, issued on April 7, was assigned to Ohmium International Inc. (Newark, Calif.).

"System and method for controlling hydrogen stack current and load" was invented by Arne Ballantine (Incline Village, Nev.), Frederick Paul Freeland Jr. (Port Orchard, Wash.), Rasool Aghatehrani (Redwood City, Calif.) and Chockkalingam Karuppaiah (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to systems and methods for controlling hydrogen stack power and load. The systems include at least one hydrogen stack, a pressure sensor, and a controller, wherein the controller is operable to increase or decrease the power to the...