Columbus, IN, United States of America

Yongquan Chai

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Cummins Emission Solutions Inc., Cummins Inc.. Active years: 2014-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yongquan Chai. Retrieved from https://idiyas.com/inventor/yongquan-chai

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 6.7

ph-index = 3

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 2014-2018

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5 patents (USPTO):Explore Patents

Title: Innovations by Yongquan Chai

Introduction

Yongquan Chai is a notable inventor based in Columbus, Indiana, known for his contributions to the field of engine exhaust aftertreatment systems. With a total of five patents to his name, Chai has made significant advancements in the technology surrounding reductant delivery systems.

Latest Patents

One of Chai's latest patents focuses on systems and techniques for heating urea injection systems. This innovative reductant delivery system is designed to deliver reductant to an engine exhaust aftertreatment system, ensuring it remains heated during cold temperature conditions. The system utilizes a heat exchange fluid that flows through a circuit, providing a flow path from the heat source to the doser, then to the reductant storage tank, and back to the heat source. A control valve regulates the flow of the heat exchange fluid, allowing for a heat exchange cycle that includes a circulation period to increase the temperature of the reductant and a termination period where circulation is paused until the reductant temperature reaches a lower limit.

Career Highlights

Throughout his career, Yongquan Chai has worked with prominent companies such as Cummins Emission Solutions Inc. and Cummins Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in emission control technologies.

Collaborations

Chai has collaborated with talented individuals in his field, including coworkers Sr

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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