Columbus, IN, United States of America

Charles E Long

This inventor holds 4 USPTO granted patents. Top assignees: Cummins Engine Company, Inc., Simpson International (UK) Ltd.. Active years: 1999-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles E Long. Retrieved from https://idiyas.com/inventor/charles-e-long-6z1r2lqt

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 = 3.6

ph-index = 4

Forward Citations = 91(Granted Patents)


Company Filing History:


Years Active: 1999-2001

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4 patents (USPTO):Explore Patents

Title: The Innovations of Charles E. Long: A Pioneer in Gear Technology

Introduction: Charles E. Long, an inventor based in Columbus, Indiana, has made significant contributions to the field of engineering through his four patents. His work particularly focuses on gear assembly technology, which has enabled advancements in engine systems.

Latest Patents: Among his most notable innovations is the anti-lash gear assembly, engineered to improve engine timing by minimizing backlash and reducing noise. This invention includes a unique design with at least two gear wheels where the circular thickness of the teeth on one gear is less than that of the other. Additionally, Charles has developed gear assemblies featuring a bias torque of approximately 100 foot-pounds and a device that aids in aligning the teeth of the assembly for easier installation.

Career Highlights: Throughout his career, Charles E. Long has been associated with renowned companies such as Cummins Engine Company, Inc. and Simpson International Ltd. His expertise in gear technology has been a pivotal element in his career, bringing innovative solutions to the industries he has served.

Collaborations: Charles has collaborated with talented professionals including Dennis R. Tibbetts and Ilya L. Piraner. Their combined efforts have contributed to the development of advanced engineering solutions and inventions that have significantly impacted the field.

Conclusion: Charles E. Long stands out as a prominent inventor in gear assembly technology, showcasing the importance of innovation in engineering. His patents reflect a commitment to improvement and reliability in engine systems, paving the way for future developments in the industry.

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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