ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,247, issued on July 7, was assigned to Nuclear Power Operations Research Institute (NPRI) (Shanghai).

"Method for measuring drop time of a control rod cluster integrated with a rod position measurement device" was invented by Zhengke Chang (Jiaxing, China), Minghui Zhang (Jiaxing, China), Yuan Huang (Jiaxing, China), Ye Tian (Jiaxing, China), Shaohua Xu (Jiaxing, China), Xinxin Liu (Jiaxing, China), Weijian Zhu (Jiaxing, China), Yiming Ma (Jiaxing, China), Shengfeng Xu (Jiaxing, China), Bo Chao (Jiaxing, China), Ning Tao (Haikou, China), Zihua Yang (Jiaxing, China), Desong Lang (Mudanjiang, China) and Qichao Wang (Jiaxing, China).

According to the abstract* released by the U.S. Pa...