ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,844, issued on June 24, was assigned to VOLVO TRUCK Corp. (Gothenburg, Sweden).

"Method of oil pre-conditioning for an electric powertrain of a vehicle" was invented by Vincent Brolles (Saint Laurent de Mure, France), Thomas Barillot (Mornant, France) and Nicolas Granottier (Lyons, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of oil pre-conditioning for an electric powertrain for a vehicle configured to provide electric propulsion of the vehicle, said electric powertrain comprising the first electric motor being linked to the first gear module, a secondary shaft being linked to the second gear module, the second electric motor bein...