ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,296, issued on Aug. 5, was assigned to CALB Co. Ltd. (Jiangsu, China).
"Insulating film assembly and battery apparatus" was invented by Liujie Wang (Changzhou, China), Tinglu Yan (Changzhou, China) and Zhijuan Cao (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The insulating film assembly includes a first insulating film and a second insulating film. The first insulating film is provided with a first buffering via. The first insulating film and the second insulating film are opposite to each other. The second insulating film is provided with a second buffering via. An orthographic projection of the second buffering via on the first ...