Heilongjiang, China

Hai Yao

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent. Top assignees: Qiqihar Railway Rolling Stock Co., Ltd., Dalian Qiche Railway Rolling Stock Co., Ltd.. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hai Yao. Retrieved from https://idiyas.com/inventor/hai-yao

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


% Patents Active = 100.0


Average Co-Inventor Count = 5.5

ph-index = 1


Company Filing History:


Years Active: 2013

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2 patents (USPTO):Explore Patents

Title: Innovations by Inventor Hai Yao

Introduction

Hai Yao is a notable inventor based in Heilongjiang, China. He has made significant contributions to the field of railway technology, particularly in the design of bogies for freight cars. With a total of 2 patents, his work focuses on improving the efficiency and effectiveness of railway systems.

Latest Patents

Hai Yao's latest patents include innovative designs for bogies. The first patent describes a bogie that comprises a bolster, two side frames, and four constant contact dampers. This invention addresses the technical problem of maintaining constant damping spring deformation, regardless of whether a car is empty or loaded. This improvement enhances the damping effect of the bogie, leading to better performance in railway applications.

The second patent involves a freight car bogie that features a K-shaped supporting device. This device is designed to increase the anti-lozenge-distortion rigidity of the bogie and improve the bolster's strength for bearing vertical loads. The design allows for a reinforcing rib to be placed in the middle part of the bolster, further enhancing the overall structural integrity of the freight car.

Career Highlights

Throughout his career, Hai Yao has worked with prominent companies in the railway industry. He has been associated with Qiqihar Railway Rolling Stock Co., Ltd. and Dalian Qiche Railway Rolling Stock Co., Ltd. His experience in these organizations has contributed to his expertise in railway technology and innovation.

Collaborations

Hai Yao has collaborated with several professionals in his field, including Zhenming Liu and Chunlin Wang. These collaborations have likely played a role in the development of his innovative patents and advancements in railway technology.

Conclusion

Hai Yao is a distinguished inventor whose work has significantly impacted the railway industry. His innovative designs for bogies demonstrate his commitment to improving railway technology and enhancing operational efficiency. His contributions will continue to influence the field for years to come.

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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