US Patent Issued to ZENITH STEEL GROUP, CHANGZHOU ZENITH SPECIAL STEEL on March 17 for "Methods for producing alloy tools" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,644, issued on March 17, was assigned to ZENITH STEEL GROUP Co. LTD. (Changzhou, China) and CHANGZHOU ZENITH SPECIAL STEEL Co. LTD. (Changzhou, China).

"Methods for producing alloy tools" was invented by Xieqing Gao (Changzhou, China), Ying Wang (Changzhou, China), Zhenwei Su (Changzhou, China), Xianghong Wang (Changzhou, China), Xinyu Zhao (Changzhou, China), Jian Han (Changzhou, China), Miao Zhou (Changzhou, China) and Huicheng Li (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure belongs to the field of steel materials, and relates to a steel wire rod for producing alloy tools with high fatigue life and high ...