Seattle, WA, United States of America

Charles H Simmons, Jr

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Gt Development Corporation. Active years: 2001-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles H Simmons, Jr. Retrieved from https://idiyas.com/inventor/charles-h-simmons-jr

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 1,232(Granted Patents)


Company Filing History:


Years Active: 2001-2005

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2 patents (USPTO):Explore Patents

Title: Innovations by Charles H Simmons, Jr.

Introduction

Charles H Simmons, Jr. is an accomplished inventor based in Seattle, WA. He has made significant contributions to the field of pneumatic systems and vehicle control technologies. With a total of two patents to his name, Simmons has demonstrated his expertise and innovative spirit in engineering.

Latest Patents

Simmons' latest patents include a Pressure Protection Valve and a Contactless Stalk Mounted Control Switch. The Pressure Protection Valve is designed for selectively controlling fluid flow through a pneumatic system in vehicles. It features a housing with a cavity that includes an inlet and an outlet. A flow controller within the housing can be actuated to either an open or closed position, depending on the fluid pressure within the system. This innovation enhances the efficiency and safety of pneumatic systems in vehicles.

The Contactless Stalk Mounted Control Switch is another notable invention by Simmons. This control switch allows for the actuation of a system between an open and a closed circuit position without physical contact. It includes a housing, a pivot assembly, and a switch actuator that responds to applied force. The design incorporates proximity sensors and a magnet, enabling precise control of vehicle systems while minimizing wear and tear.

Career Highlights

Simmons is currently associated with GT Development Corporation, where he continues to innovate and develop new technologies. His work has contributed to advancements in vehicle control systems, showcasing his commitment to improving automotive safety and functionality.

Collaborations

Simmons has collaborated with notable colleagues, including Alan K Forsythe and Andrew F Thompson. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Charles H Simmons, Jr. is a prominent inventor whose work in pneumatic systems and vehicle control technologies has made a significant impact. His innovative patents reflect his dedication to enhancing vehicle safety and efficiency.

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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