ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,588, issued on April 21, was assigned to BEIJING INSTITUTE OF AEROSPACE TESTING TECHNOLOGY (Beijing).

"Dual evaporation-condensation cycle cooling device and method for high-temperature superconducting motor of hydrogen-powered aircraft" was invented by Chunwei Zhang (Beijing), Jing Chen (Beijing), Shanfeng Li (Beijing), Jie Qu (Beijing), Pingrui Huang (Beijing), Qizhi Yin (Beijing), Kangna Liu (Beijing), Haishuai Yu (Beijing), Kang Zhao (Beijing) and Bowen Zhou (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling device and method for a high-temperature superconducting motor of a hydrogen-powered aircraft based on a dual evaporation-c...