This inventor holds 3 USPTO granted patents and 6 published patent applications. Top assignees: Pangang Group Panzhihua Iron & Steel Research Institute, Pangang Group Panzhihua Steel & Vanadium Co., Ltd.. Active years: 2019-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 17 
2 out of 4 Years Active: 2019-2024
Title: Dadong Li: Innovator in Rail Welding Technology
Introduction
Dadong Li is a prominent inventor based in Panzhihua, China, known for his contributions to the field of rail welding technology. He holds three patents that focus on optimizing the microstructure of rail welded joints and enhancing the performance of steel rails. His innovative methods have significantly impacted the production processes in the steel industry.
Latest Patents
Dadong Li's latest patents include a method for optimizing the microstructure of rail welded joints. This method involves subjecting the rail web area of a welded joint to accelerated cooling using compressed air as a cooling medium. The process includes monitoring the temperature of the central position of the rail web during cooling and stopping the cooling process at a preset temperature.
Another notable patent is a heat treatment method for increasing the depth of the hardening layer in steel rails. This method allows for the production of steel rails with a deep-hardening layer thicker than 25 mm, improving their service performance against wear caused by train wheels. The method involves a series of cooling steps that ensure the rail head achieves the desired hardness and structural integrity.
Career Highlights
Dadong Li has worked with reputable companies such as Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. and Pangang Group Panzhihua Steel & Vanadium Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative techniques in rail welding and steel production.
Collaborations
Dadong Li has collaborated with notable colleagues, including Zhenyu Han and Ming Zou. Their combined expertise has contributed to advancements in the field of rail technology.
Conclusion
Dadong Li's innovative work in rail welding technology has led to significant improvements in the performance and durability of steel rails. His patents reflect a deep understanding of the technical challenges in the industry and provide effective solutions that enhance the quality of rail production.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile