Ann Arbor, MI, United States of America

John A Calkins

This inventor holds 1 USPTO granted patent. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John A Calkins. Retrieved from https://idiyas.com/inventor/john-a-calkins-ezphgw85

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 = 7.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: The Innovations of John A. Calkins

Introduction

John A. Calkins is a notable inventor based in Ann Arbor, MI (US). He has made significant contributions to the field of automotive technology, particularly in the area of throttle control systems. His innovative approach has led to the development of a unique patent that enhances vehicle performance during gear shifts.

Latest Patents

Calkins holds a patent for an "Engine throttle stop control system." This invention features a throttle follower controller that establishes a release throttle position when the vehicle operator releases the throttle. The system maintains this position at a specified value for a predetermined time if the vehicle transmission is experiencing an upshift. This design ensures a smooth transition during gear shifts, preventing sudden jerks in the drive line.

Career Highlights

Calkins is currently employed at GM Global Technology Operations, Inc., where he continues to innovate and develop advanced automotive technologies. His work focuses on improving vehicle performance and driver experience through effective throttle control mechanisms.

Collaborations

Throughout his career, Calkins has collaborated with talented individuals such as Robert Charles Simon, Jr. and Daniel B. O'Connell. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

John A. Calkins is a distinguished inventor whose work in throttle control systems has made a significant impact on automotive technology. His innovative solutions continue to enhance vehicle performance and driver safety.

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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