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: Denghai Wang and Helium Gas Purification
Introduction
Denghai Wang is an inventor associated with Xi’an City, China. His patent work includes a system and method for purifying helium gas, along with applications for the technology. He is associated professionally with Changqing Engineering Design Co., Ltd. and China National Petroleum Corporation.
Latest Patents
Wang is named on one patent: “System for Purifying Helium Gas, Method, and Application.” The invention describes a sequence of gas-liquid separation and distillation stages for processing helium-containing natural gas. A first gas-liquid separation device separates the feed into gas and liquid phases, which are treated in a primary helium extraction tower. A second separation device and secondary helium extraction tower further process the resulting gas and liquid phases to produce crude helium. A nitrogen removal tower then removes nitrogen from the remaining liquid stream.
Career Highlights
Wang’s listed professional affiliations include Changqing Engineering Design Co., Ltd. and China National Petroleum Corporation. His patent focuses on a staged process for extracting helium from natural gas and separating it from other components.
Collaborations
Wang’s listed coworkers include Liang Lin and Weiping Jiang.
Conclusion
Denghai Wang’s patent describes a multistage approach to helium purification, reflecting his work in gas processing and separation technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile