ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,871, issued on March 18, was assigned to Shanghai Shenli Technology Co. Ltd. (Shanghai).
"Roller embossing method for flexible graphite polar plates of fuel cells" was invented by Yichong Zhang (Shanghai), Xiaojing Chen (Shanghai), Ang Li (Shanghai), Jinjian Zhang (Shanghai), Xiaolei Zhang (Shanghai), Xiaohui Li (Shanghai), Quanquan Gan (Shanghai), Yongzhan Wang (Shanghai), Wei Dai (Shanghai) and He Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roller embossing method for flexible graphite polar plates of fuel cells comprises: (1) adjusting a clearance of an embossing roller pair of a roller press to a target thickness value of a...