This inventor holds 1 USPTO granted patent and 1 published patent application. 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: Zongwei Zhang and Helium Gas Purification
Introduction
Zongwei Zhang is an inventor associated with Inner Mongolia, China. His patent work addresses the purification of helium from natural gas through a staged separation and distillation process.
Latest Patents
Zhang is named on one patent, 1 patent: “System for Purifying Helium Gas, Method, and Application.” The invention describes a system that processes helium-containing natural gas through gas-liquid separation, primary and secondary helium extraction, and nitrogen removal. These sequential stages produce crude helium while separating liquid phases and removing nitrogen.
Career Highlights
Zhang has been associated with Changqing Engineering Design Co., Ltd. and China National Petroleum Corporation. His listed patent reflects work on gas processing and helium recovery.
Collaborations
Zhang’s listed coworkers include Feng Liu and Liang Lin.
Conclusion
Zongwei Zhang’s patent focuses on a multistage method for recovering and purifying helium from natural gas, connecting his inventive work with the energy and engineering sector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile