ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,304, issued on Nov. 3, was assigned to CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) (Qingdao, China).

"System and method for studying and testing the boiling bubble behavior characteristics of mixed working fluids" was invented by Hui Han (Qingdao, China), Liang Liu (Qingdao, China), Yuxing Li (Qingdao, China), Jianlu Zhu (Qingdao, China), Zhengxiong Su (Qingdao, China) and Yifan Du (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for studying and testing the boiling bubble behavior characteristics of mixed working fluids. The system includes a visualization chamber to contain mixed fluids, a heating device to heat the...