This inventor holds 1 USPTO granted patent. Top assignees: China Huaneng Group Clean Energy Technology Research Institute Co., Ltd;, Huaneng (Fujian) Energy Development Co., Ltd. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1 
1 out of 1 Years Active: 2026
Title: Yulong Yin and Geothermal Heat-Exchange Innovation.
Introduction
Yulong Yin is an inventor based in Beijing, China. His work includes a patented geothermal-well system designed to improve heat exchange and transfer geothermal energy to returning water.
Latest Patents
Yin is associated with 1 patent: “Single-Well Heat Exchange System and Downhole Enhanced Heat Exchange Device of Geothermal Well.” The disclosed system routes return water through connected pipes, with some water flowing back to the geothermal reservoir and some entering the annular space between an inner pipe and an outer casing. A retractable heat-exchange pipe positioned in the target reservoir absorbs geothermal heat and transfers it to the fixed end of the pipe, heating return water entering the first main pipe.
Career Highlights
Yin is associated with China Huaneng Group Clean Energy Technology Research Institute Co., Ltd. and Huaneng (Fujian) Energy Development Co., Ltd. The available information connects his patent work with geothermal energy and heat-exchange technology.
Collaborations
Yin’s listed coworkers include Haowei Yuan and Tieya Jing.
Conclusion
Yulong Yin’s patented geothermal-well system describes an approach to enhancing underground heat exchange and transferring geothermal energy to circulating water.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile