This inventor holds 1 USPTO granted patent. Top assignees: Changqing Engineering Design Co., Ltd., China National Petroleum Corporation. 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 95 
Years Active: 2026
Title: Zheng Xia and Helium Gas Purification
Introduction
Zheng Xia is an inventor based in Xi’an City, China. His patent work includes a system and method for purifying helium gas from helium-containing natural gas.
Latest Patents
Zheng Xia is associated with one patent: System for Purifying Helium Gas, Method, and Application. The invention describes a sequence of gas-liquid separation and distillation stages that process helium-containing natural gas. The system uses a first gas-liquid separation device, a primary helium extraction tower, a second gas-liquid separation device, a secondary helium extraction tower, and a nitrogen removal tower. These stages separate gas and liquid phases, produce crude helium, and remove nitrogen from the resulting liquid stream.
Career Highlights
The provided career information associates Zheng Xia with Changqing Engineering Design Co., Ltd. and China National Petroleum Corporation. His patent focuses on processing natural gas to recover and purify helium.
Collaborations
Zibing Liu and Peng Qiu are identified as Zheng Xia’s coworkers.
Conclusion
Zheng Xia’s recorded invention addresses helium recovery through a staged purification process, reflecting his work in natural-gas processing and engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile