ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,640, issued on May 5, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Pouch cell vent pressure measurement apparatus" was invented by Sang Mok Park (Gyeonggi-do, South Korea), Dong Guk Park (Incheon, South Korea) and Yong Ju Lim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for measuring a vent pressure of a pouch cell includes a pouch cell accommodating an electrode assembly therein, and formed with a heat fusion part on a side thereof; a measurement unit defining therein a space for seating the pouch cell, expanding the pouch cell by a negative pressure formed in the measu...