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: Deyuan Zhao and Geothermal Heat-Exchange Innovation.
Introduction
Deyuan Zhao is an inventor associated with Fuzhou, China. His patent work addresses geothermal energy recovery through a single-well heat-exchange system and a downhole device designed to improve heat transfer.
Latest Patents
Zhao is named on one patent: “Single-Well Heat Exchange System and Downhole Enhanced Heat Exchange Device of Geothermal Well.” The disclosed system routes return water through connected pipes and into an 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 a fixed end, where the heat warms the return water. The design also allows some return water to flow back directly to the geothermal reservoir.
Career Highlights
Zhao is associated with China Huaneng Group Clean Energy Technology Research Institute Co., Ltd. and Huaneng (Fujian) Energy Development Co., Ltd. His patent reflects work focused on geothermal heat exchange and downhole system design.
Collaborations
His listed coworkers include Haowei Yuan and Tieya Jing.
Conclusion
Deyuan Zhao’s geothermal patent describes a single-well system intended to improve heat transfer between a geothermal reservoir and circulating water, contributing to innovation in geothermal energy technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile