Beijing, China

Haojian Duan

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: North China University of Techonlogy, University of Science and Technology Beijing, Northeastern University. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haojian Duan. Retrieved from https://idiyas.com/inventor/haojian-duan

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 1


Company Filing History:


Years Active: 2025

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2 patents (USPTO):Explore Patents

Title: Haojian Duan: Innovator in Fluid Flow Analysis

Introduction

Haojian Duan is a prominent inventor based in Beijing, China. He has made significant contributions to the field of fluid dynamics, particularly in the analysis of fluid flow in tundish water models. With a total of 2 patents, his work has garnered attention for its innovative methodologies and practical applications.

Latest Patents

Haojian Duan's latest patents include a "Method and system for obtaining fluid flow directions of tundish water model." This patent outlines a comprehensive approach that involves building a tundish water model with a preset similarity ratio to a tundish prototype. The method includes conducting an ink diffusion experiment, capturing the process on video, and performing binarization processing to analyze the flow directions of the fluid. Another notable patent is the "Method and system for analyzing global average grayscale change of tundish ink tracing experiment." This invention focuses on evaluating tundish structures and flow characteristics by analyzing global average grayscale changes over time.

Career Highlights

Haojian Duan has held positions at esteemed institutions such as North China University of Technology and the University of Science and Technology Beijing. His academic and research endeavors have significantly advanced the understanding of fluid dynamics in industrial applications.

Collaborations

Throughout his career, Haojian has collaborated with notable colleagues, including Lifeng Zhang and Ying Ren. These partnerships have contributed to the development of innovative solutions in fluid flow analysis.

Conclusion

Haojian Duan's work exemplifies the intersection of innovation and practical application in fluid dynamics. His patents and research continue to influence the field, showcasing his commitment to advancing technology in this area.

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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