ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,531, issued on Feb. 25, was assigned to PROTERRA POWERED LLC (Burlingame, Calif.).
"Battery vent system" was invented by Duybao Dao (Milpitas, Calif.), Nicholas H. Herron (Pacifica, Calif.) and Derek R. Paul (Redwood City, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery pack includes an outer housing including a plurality of walls, at least one battery cell enclosed within the plurality of walls, a vent system disposed in at least one of the plurality of walls, and a disk provided between the cover and the valve. The vent system includes a carrier plate, an annular ring extending from the carrier plate and defining a lumen, a valve d...