US Patent Issued to Chongyi Zhangyuan Tungsten on Dec. 2 for "Coarse grain cemented carbide and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,477, issued on Dec. 2, was assigned to Chongyi Zhangyuan Tungsten Co. Ltd (Chongyi, China).

"Coarse grain cemented carbide and preparation method thereof" was invented by Yanyuan Tang (Chongyi, China), Wei Zhong (Chongyi, China), Qiumin Yang (Chongyi, China), Yuan Zhong (Chongyi, China), Zhiqiang Zhong (Chongyi, China), Bangming Chen (Chongyi, China), Bangwen Chen (Chongyi, China), Haigen Xie (Chongyi, China) and Enbiao Liu (Chongyi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of powder metallurgy, especially to a coarse grain cemented carbide and a preparation method thereof. Pseudo part...