GENEVA, Feb. 16 -- CHAOZHOU THREE-CIRCLE (GROUP) CO., LTD. (Complex Building, Sanhuan Industrial District, FengtangChaozhou, Guangdong 515646), 潮州三环（集团）股份有限公司 (中国广东省潮州市凤塘三环工业城内综合楼) filed a patent application (PCT/CN2025/088539) for "STACK AND FUEL CELL SYSTEM EACH HAVING MULTI-STAGE CASCADE STRUCTURE" on Apr 11, 2025. With publication no. WO/2026/031623, the details related to the patent application was published on Feb 12, 2026.
Notably, the patent application was submitted under the International Patent Classif...