Cass City, MI, United States of America

John S Stark

This inventor holds 1 USPTO granted patent. Top assignee: Walbro Corporation. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John S Stark. Retrieved from https://idiyas.com/inventor/john-s-stark

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 = 5.0

ph-index = 1

Forward Citations = 56(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: John S Stark - Innovator in Liquid Propane Fuel Delivery Systems

Introduction

John S Stark is a notable inventor based in Cass City, MI (US). He has made significant contributions to the field of fuel delivery systems, particularly with his innovative design for liquid propane fuel systems. His work has implications for vehicle efficiency and safety.

Latest Patents

John S Stark holds a patent for a liquid propane fuel delivery system. This system is designed for vehicle engines and includes a fluid handling component module that is removably top-mounted on a pressurized liquid propane fuel storage tank. The patent outlines several key features, including a fuel tank 80% stop-fill subsystem, a hydrostatic back-check valve, and an excess fuel bypass return check valve. These components work together to ensure safe and efficient fuel delivery, preventing reverse fuel flow and maintaining pressure in the fuel line.

Career Highlights

John S Stark is currently employed at Walbro Corporation, where he continues to innovate in the field of fuel systems. His experience and expertise have allowed him to develop solutions that enhance vehicle performance and safety. His patent reflects his commitment to advancing technology in the automotive industry.

Collaborations

Throughout his career, John has collaborated with notable coworkers such as Kenneth J Cotton and James A Herndon. These partnerships have likely contributed to the development of his innovative ideas and patents.

Conclusion

John S Stark is a distinguished inventor whose work in liquid propane fuel delivery systems showcases his dedication to innovation and safety in the automotive sector. His contributions are valuable to the ongoing evolution of vehicle technology.

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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