ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,040, issued on March 4, was assigned to Samsung SDI Co. Ltd. (Yongin-si, South Korea).
"Secondary battery" was invented by Jong Jun Park (Yongin-si, South Korea) and Dae Kyu Kim (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes: a cylindrical case; an electrode assembly accommodated in the cylindrical case and wound in a cylindrical shape; and a current interrupt device electrically connected to the electrode assembly and sealing the cylindrical case. The current interrupt device includes a cap-down electrically connected to the electrode assembly, a safety vent electrically connected to the cap-down...