ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,164, issued on April 14, was assigned to Ohmium International Inc. (Newark, Calif.).

"System and methods for hydrogen plant condition monitoring using a wireless modular sensor system" was invented by Rasool Aghatehrani (Redwood City, Calif.) and Arne Ballantine (Incline Village, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for monitoring a hydrogen plant includes a plurality of wireless sensor modules, each wireless sensor module including at least one sensor configured for monitoring for at least one condition and a wireless interface configured for transmitting data concerning the at least one condition via a wireless network to ...