ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,854, issued on March 24, was assigned to SK On Co. Ltd. (Seoul, South Korea).
"Battery sub-packing unit" was invented by Hae Ryong Jeon (Daejeon, South Korea), Yang Kyu Choi (Daejeon, South Korea), Tae Il Kim (Daejeon, South Korea) and Kang Gu Lee (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery sub-packing unit includes at least one battery cell; and a case accommodating the at least one battery cell, wherein the case comprises an end panel on which an electrode tab of the at least one battery cell is fastened to extend into an external space, and having a lower end portion in which a sub-vent hole is formed for commu...