ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,104, issued on Sept. 23, was assigned to Volvo Truck Corp. (Gothenburg, Sweden).

"Method for controlling purging of hydrogen from a hydrogen circuit of a vehicle" was invented by Julien Maitre (Chuzelles, France) and Yann Quibriac (Lyons, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling purging of hydrogen from a hydrogen circuit system of a vehicle, the hydrogen circuit system having a hydrogen conduit being arranged in fluid communication with at least one hydrogen tank, the method being implemented by a hydrogen control system comprising at least one processing circuitry, the method comprising deactivating one or mo...