This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Hangzhou Oxygen Plant Group Co., Ltd., Hangzhou Oxygen Plant Group Co., Ltd.. Active years: 2025-2026.
Company Filing History:
3 out of 3 
1 out of 6 Years Active: 2025-2026
Title: Yunyun Jiang: Innovator in Hydrogen Production Technology
Introduction
Yunyun Jiang is a notable inventor based in Hangzhou, China. He has made significant contributions to the field of hydrogen production, particularly in the recovery of by-product oxygen from water electrolysis. His innovative approach addresses the waste problem associated with by-product oxygen in green hydrogen production systems.
Latest Patents
Yunyun Jiang holds a patent for a device and method for recovering by-product oxygen of hydrogen production from electrolyzed water using a low-temperature method. This patent, which is a significant advancement in the field, provides a solution to the waste problem of by-product oxygen. The device includes an oxygen clarifying system, a pressurizing and heat exchanging system, and a circulating gas compression and expansion refrigeration system. The method involves clarifying and purifying the by-product oxygen to remove impurities, followed by liquefying and pressurizing the pure oxygen to obtain the desired product.
Career Highlights
Yunyun Jiang is currently employed at Hangzhou Oxygen Plant Group Co., Ltd. His work focuses on developing technologies that enhance the efficiency and sustainability of hydrogen production. With a patent portfolio that includes 1 patent, Jiang is recognized for his innovative contributions to the industry.
Collaborations
Yunyun Jiang collaborates with several professionals in his field, including Yisong Han and Fang Tan. Their combined expertise fosters an environment of innovation and progress in hydrogen production technologies.
Conclusion
Yunyun Jiang's work in hydrogen production technology exemplifies the importance of innovation in addressing environmental challenges. His patented methods and devices contribute to a more sustainable future in energy production.