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: Xuanji Liang and Helium Purification Technology
Introduction
Xuanji Liang is an inventor associated with Xi’an City, China. His patent work includes a system and method for purifying helium from natural gas.
Latest Patents
Liang is credited with 1 patent, titled “System for Purifying Helium Gas, Method, and Application.” The invention describes a sequence of gas-liquid separation and distillation stages designed to extract crude helium from helium-containing natural gas. The process 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 components process the gas through successive treatment and separation steps, producing crude helium and removing nitrogen from the remaining liquid phase.
Career Highlights
Liang’s listed company affiliations include China National Petroleum Corporation and Changqing Engineering Design Co., Ltd. His patent reflects work on gas processing and helium recovery.
Collaborations
Jie Liu and Junlai Fan are identified as Liang’s coworkers. The available information does not specify their roles in the patent or the nature of their collaboration.
Conclusion
Xuanji Liang’s recorded invention focuses on a staged process for recovering and purifying helium from natural gas, connecting his patent activity with his listed affiliations in the energy and engineering sectors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile