US Patent Issued to Hunan Sunrise Automobile Mould & Die, Hunan Sunrise Intelligent Forming Manufacturing, voestalpine Metal Forming on Dec. 30 for "Multi-water-channel hot stamping die" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,639, issued on Dec. 30, was assigned to Hunan Sunrise Automobile Mould & Die Co. Ltd (Hunan, China), Hunan Sunrise Intelligent Forming Manufacturing Co. Ltd. (Hunan, China) and voestalpine Metal Forming GmbH (Krems an der Donau, Austria).

"Multi-water-channel hot stamping die" was invented by Xin Zhu (Hunan, China), Xiaoyong Zhu (Hunan, China), Zihao Li (Hunan, China), Junhong Du (Hunan, China) and Hongliang Dai (Hunan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-water-channel hot stamping die includes an upper die base and insert, a lower die base insert. The upper and lower die bases are provided with a water channel, which is pro...