US Patent Issued to Sinoma Science & Technology (Chengdu) on Nov. 18 for "Stamping method and deep-drawing die for aluminum alloy liner of large-volume hydrogen storage cylinder" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,549, issued on Nov. 18, was assigned to Sinoma Science & Technology (Chengdu) Co. Ltd. (Chengdu, China).

"Stamping method and deep-drawing die for aluminum alloy liner of large-volume hydrogen storage cylinder" was invented by Shihong Li (Chengdu, China), Cunjiang Feng (Chengdu, China), Hao Yi (Chengdu, China), Qingbo Gong (Chengdu, China), Qinling He (Chengdu, China), Jiachao He (Chengdu, China), Yong Tang (Chengdu, China) and Na Qi (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a stamping method and a deep-drawing die for an aluminum alloy liner of a large-volume hydrogen storage cylinder, which solve that technical p...