Sichuan, China

Chang Wu

This inventor holds 1 USPTO granted patent. Top assignee: Crrc Meishan Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Wu. Retrieved from https://idiyas.com/inventor/chang-wu-om34iaxq

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 12.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Chang Wu - Innovator in Railway Technology

Introduction

Chang Wu is a notable inventor based in Sichuan, China. He has made significant contributions to the field of railway technology, particularly with his innovative designs that enhance the efficiency and functionality of railway freight systems. His work is characterized by a focus on practical solutions that address real-world challenges in transportation.

Latest Patents

Chang Wu holds a patent for an "Underneath type railway freight car bogie wheelset radial device." This invention features front and rear subframes along with two cross-arranged connecting rods that are pinned by round pin connectors. The subframe is a combination structure of the adapter and the lateral arm. The connecting rods are strategically arranged under the bolster to create an underneath bogie wheelset radial structure. Notably, the height of the central plane of the connecting rod is lower than that of the central plane of the subframe adapter surface. The adapter includes an arc-shaped adapter structure and an adapter connecting arm that is vertically arranged at one end of the adapter surface. The subframes are securely fixed to the adapter using a rivet assembly. This innovative design aims to improve the performance and reliability of railway freight cars.

Career Highlights

Chang Wu is currently employed at CRRC Meishan Co., Ltd., a leading company in the railway manufacturing industry. His role involves the development and implementation of advanced technologies that contribute to the evolution of railway systems. His expertise and innovative mindset have positioned him as a valuable asset to his organization.

Collaborations

Chang has collaborated with talented coworkers such as Rui Zhang and Ji Zhu. Together, they work on various projects that aim to push the boundaries of railway technology and improve operational efficiencies.

Conclusion

Chang Wu's contributions to railway technology through his innovative patent demonstrate his commitment to enhancing transportation systems. His work not only reflects his expertise but also his dedication to solving complex engineering challenges.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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