ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,883, issued on Sept. 8, was assigned to China Huaneng Group Clean Energy Technology Research Institute Co. Ltd; (Beijing) and HUANENG (FUJIAN) ENERGY DEVELOPMENT Co. LTD (Fuzhou, China).
"Single-well heat exchange system and downhole enhanced heat exchange device of geothermal well" was invented by Haowei Yuan (Beijing), Tieya Jing (Beijing), Lianbo Liu (Beijing), Deyuan Zhao (Fuzhou, China), Yulong Yin (Beijing), Shoucheng Wei (Fuzhou, China), Mingyu Zhu (Beijing), Xiaohui Guo (Beijing) and Jin Zheng (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiment of the present application discloses a single-well heat exchange system and a d...