This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Chinese Academy of Sciences, Huaneng Lancang River Hydropower Inc., Power China Kunming Engineering Corporation Limited. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2025
Title: Guojin Zhu: Innovator in Tunnel Support Technology
Introduction
Guojin Zhu is a notable inventor based in Yunnan, China. He has made significant contributions to the field of tunnel engineering, particularly in the area of support devices for high-stress tunnels. His innovative approach addresses the challenges posed by cataclastic rock masses, which are prone to large deformations.
Latest Patents
Guojin Zhu holds a patent for a "Zonal bolt-grouting support device and method for cataclastic rock mass large deformation of high-stress tunnel." This invention outlines a method that includes drilling holes in the surrounding rock of a tunnel after excavation, installing high-strength prestressed anchor members, and applying a preload to anchor bolts. The method also involves zonally grouting the surrounding rock after stress adjustment. The components of the high-strength prestressed anchor member include an anchor bolt, an expansion anchor agent, a decoupling material, and a grouting device. This technical proposal effectively inhibits the large deformation of cataclastic rock masses.
Career Highlights
Throughout his career, Guojin Zhu has worked with prominent companies in the engineering and hydropower sectors. Notable among these are Power China Kunming Engineering Corporation Limited and Huaneng Lancang River Hydropower Inc. His work in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in tunnel support technology.
Collaborations
Guojin Zhu has collaborated with several professionals in his field, including Pengzhi Pan and Xuexing Cao. These collaborations have further enriched his work and have led to the development of effective solutions for tunnel engineering challenges.
Conclusion
Guojin Zhu's contributions to tunnel support technology through his innovative patent demonstrate his expertise and commitment to addressing engineering challenges. His work continues to influence the field and improve safety in high-stress tunnel environments.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile