Company Filing History:
1 out of 2 
1 out of 4 
1 out of 3,086 
Years Active: 2025
Title: Xufeng Liu: Innovator in Tunnel Support Technology
Introduction
Xufeng Liu 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
Xufeng Liu 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 high-strength prestressed anchor member consists of various components, including an anchor bolt, an expansion anchor agent, and a grouting device. This technical proposal effectively inhibits the large deformation of cataclastic rock masses, enhancing the safety and stability of high-stress tunnels.
Career Highlights
Throughout his career, Xufeng Liu has worked with prominent companies in the engineering sector. Notably, he has been associated with 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 significant projects in tunnel engineering.
Collaborations
Xufeng Liu has collaborated with esteemed colleagues, including Guojin Zhu and Pengzhi Pan. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in engineering practices.
Conclusion
Xufeng Liu's contributions to tunnel support technology through his innovative patent demonstrate his expertise and commitment to improving engineering solutions. His work not only addresses critical challenges in the field but also sets a foundation for future advancements in tunnel engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.