This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignees: Chengdu Weiyi Petroleum Technology Co., Ltd, Southwest Petroleum University. 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 345 Years Active: 2026
Title: Chunliang Zhang - Innovator in Railway Technology
Introduction
Chunliang Zhang is an inventor based in Zhuzhou City, China. He has made significant contributions to the field of railway technology, particularly with his innovative designs aimed at improving the performance of railway wagons. His work focuses on enhancing the functionality and reliability of railway components.
Latest Patent Applications
Chunliang Zhang has submitted a patent application for a "RAILWAY WAGON BOGIE AND AXLE BOX RUBBER SPRING THEREOF." This application presents an axle box rubber spring that includes an upper end plate, a lower end plate, and a rubber member filled between the two plates. The design features projections and recesses that are distributed alternately on the surfaces connected to the rubber member. This innovative structure increases the rigidity of the axle box rubber spring, ensuring reliable positioning and meeting the operational requirements of heavy-haul railway wagons.
Conclusion
Chunliang Zhang's contributions to railway technology demonstrate his commitment to innovation in the field. His latest patent application reflects his dedication to improving the efficiency and reliability of railway systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile