Eau Claire, WI, United States of America

Charles F Caldwell

This inventor holds 2 USPTO granted patents. Top assignees: National Presto Industries, Inc., Rusoh, Inc.. Active years: 2023-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles F Caldwell. Retrieved from https://idiyas.com/inventor/charles-f-caldwell

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 = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2023-2025

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Charles F. Caldwell

Introduction

Charles F. Caldwell is a notable inventor based in Eau Claire, Wisconsin. He has made significant contributions to the field of fire safety with his innovative designs. His most recognized invention is a fire extinguisher reload kit, which enhances the efficiency and effectiveness of fire extinguishers.

Latest Patents

Caldwell holds one patent for his fire extinguisher reload kit. This invention is designed to simplify the process of reloading fire extinguishers, making them more accessible and user-friendly for both individuals and businesses.

Career Highlights

Caldwell is currently employed at Rusoh, Inc., a company known for its commitment to innovative fire safety solutions. His work at Rusoh has allowed him to focus on developing products that improve fire safety standards.

Collaborations

Caldwell collaborates with his coworker, Seth R. Rooney, to further enhance the company's product offerings. Their teamwork exemplifies the spirit of innovation and dedication to safety.

Conclusion

Charles F. Caldwell's contributions to fire safety through his inventions and collaborations highlight the importance of innovation in protecting lives and property. His work continues to make a significant impact in the field.

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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