This inventor holds 2 USPTO granted patents. Top assignees: China Railway 14Th Bureau Group Corporation Limited, China Railway 14Th Bureau Group Shield Engineering Coporation Limited, Ocean University of China. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2025-2026
Title: Yixiang Li: Innovator in Grouting Technology
Introduction
Yixiang Li is a prominent inventor based in Jiangsu, China. He has made significant contributions to the field of engineering, particularly in the development of innovative grouting technologies. His work focuses on enhancing the efficiency and effectiveness of large diameter shield engineering under challenging conditions.
Latest Patents
Yixiang Li holds a patent for a synchronous single-liquid grouting slurry. This invention is specifically designed for large diameter shield engineering in water-rich, high-pressure, and weak soil strata conditions. The patent outlines a unique formulation comprising various raw materials, including 1050-1200 parts of gold tailing, 420-480 parts of silicate cement clinker, and 220-240 parts of fly ash, among others. The invention also details a slurry production technique that includes crushing, sieving, superfine ball milling, homogenization, particle size classification, and variable speed mixing. This innovative approach allows for precise control of material particle sizes, enhancing the overall performance of the grouting slurry.
Career Highlights
Throughout his career, Yixiang Li has worked with notable organizations, including Ocean University of China and China Railway 14th Bureau Group Corporation Limited. His experience in these institutions has allowed him to refine his expertise in engineering and contribute to significant projects in the field.
Collaborations
Yixiang Li has collaborated with esteemed colleagues, including Qingsheng Meng and Shutong Yang. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Yixiang Li's contributions to grouting technology exemplify his commitment to advancing engineering practices. His innovative patent and collaborative efforts highlight his role as a key figure in the field. His work continues to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile