Columbus, IN, United States of America

John N Chi

This inventor holds 23 USPTO granted patents and 2 published patent applications, primarily in Turbocharger Control. Top assignees: Cummins Inc., Cummins IP, Inc.. Active years: 2010-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John N Chi. Retrieved from https://idiyas.com/inventor/john-n-chi

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 95.7

Average Co-Inventor Count = 3.5

ph-index = 9

Forward Citations = 197(Granted Patents)


Location History:

  • Raleigh, NC (US) (2012 - 2013)
  • Dubuque, IA (US) (2013 - 2017)
  • Columbus, IN (US) (2010 - 2018)

Company Filing History:


Years Active: 2010-2018

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Areas of Expertise:
Turbocharger
Exhaust Gas Recirculation
SCR Catalyst
Engine Parameters
Air Handling
NOx Conversion
Temperature Control
Flow Estimation
Variable Geometry
Dosing Control
23 patents (USPTO):Explore Patents

Title: Innovator Spotlight: John N Chi

Introduction

John N Chi, based in Columbus, IN, has made significant contributions to the field of engineering with a remarkable portfolio of 23 patents. His inventions primarily focus on enhancing the performance and efficiency of turbocharging systems and engine exhaust manifolds.

Latest Patents

Among his notable inventions is a patented "System and Method for Estimating Turbocharger Operating Speed." This innovative system estimates the operating speed of a turbocharger using key parameters such as pressure values at the air inlet and outlet of the compressor, a temperature value, and the flow rate of air entering the compressor. By analyzing these variables, the system effectively estimates the turbocharger's operating speed, providing essential data for performance optimization.

Another significant patent is the "System and Method for Estimating Engine Exhaust Manifold Operating Parameters." This invention estimates critical parameters of an engine's exhaust manifold, including pressure and temperature, by evaluating a flow value corresponding to the rate of exhaust gas through an EGR conduit. The incorporation of an exhaust gas cooler allows for precise measurement and analysis, facilitating better engine performance and emissions control.

Career Highlights

John Chi's professional journey includes key positions at Cummins Inc. and Cummins IP, Inc., where he further honed his expertise in engine technology and innovation. His extensive work in these reputable firms has influenced various advancements in turbocharger and exhaust systems, positioning him as a leader in automotive engineering.

Collaborations

Throughout his career, John has collaborated with prominent engineers, including John M Mulloy and Phanindra V Garimella. Their joint efforts have fostered innovative solutions that address complex challenges in mechanical engineering, showcasing the power of teamwork in driving technological advancements.

Conclusion

John N Chi's innovative spirit and dedication to engineering excellence are reflected in his numerous patents and collaborative projects. As a pioneer in turbocharger technology and engine systems, his contributions continue to influence the automotive industry, paving the way for future innovations.

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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