ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,792, issued on Dec. 9, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Systems and methods for monitoring high voltage exposure hours of a high voltage system of an electric vehicle" was invented by Justin Bunnell (Farmington Hills, Mich.), Yanyan Zhang (Troy, Mich.), Andrew M. Zettel (Port Moody, Canada), Ziad Shounia (West Bloomfield, Mich.), Shanshan Li Peer (Ann Arbor, Mich.), James Nicholson (Albion, Mich.), Ryan B. Moulliet (Farmington Hills, Mich.) and Matthew Dzurka (Beverly Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided for monitoring high voltage (HV) exposure hours of a HV syste...