This inventor holds 1 USPTO granted patent. Top assignees: China Academy of Railway Sciences Corporation Limited, Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited. 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:
Years Active: 2026
Title: Simeng Yan - Innovator in Tunnel Insulation Technology
Introduction
Simeng Yan is a notable inventor based in Hebei, China. He has made significant contributions to the field of construction materials, particularly in the development of insulation technologies for tunnels in cold regions. His innovative approach addresses the unique challenges posed by extreme weather conditions.
Latest Patents
Simeng Yan holds a patent for a "Spray-applied polyurethane insulation material for tunnels in cold regions, its application, and its construction method." This invention provides a unique solution for constructing tunnel structures in cold climates. The spray-applied polyurethane insulation material is composed of raw materials with a mass ratio of 0.8-1.2 of material A and material B. Material A includes polyether polyol, polyester polyol, chain extender, catalyst, flame retardant, water, and surfactant. The B component is diphenylmethane diisocyanate. This innovative material offers excellent flame retardant and insulation effects, making it ideal for tunnel construction in cold regions.
Career Highlights
Simeng Yan has worked with the China Academy of Railway Sciences Corporation Limited and the Railway Engineering Research Institute. His experience in these organizations has allowed him to develop and refine his innovative insulation technologies.
Collaborations
Throughout his career, Simeng Yan has collaborated with notable colleagues, including Zheli An and Tiantian Song. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
Simeng Yan's contributions to tunnel insulation technology demonstrate his commitment to innovation and excellence in construction materials. His patented solutions are paving the way for safer and more efficient tunnel construction in cold regions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile