Charlotte, NC, United States of America

Duronie Harrell

This inventor holds 1 USPTO granted patent. Top assignee: Black Decker Inc.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Duronie Harrell. Retrieved from https://idiyas.com/inventor/duronie-harrell

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 = 4.0

ph-index = 1

Forward Citations = 125(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Duronie Harrell - Revolutionizing Motor Speed Control

Introduction: Duronie Harrell is a visionary inventor based in Charlotte, NC, who has left a lasting impact on the field of motor speed control with his groundbreaking patent.

Latest Patents: Duronie Harrell holds 1 patent for his innovative "Direct current motor speed control" circuit, which utilizes back EMF to effectively control motor speed with precision and efficiency.

Career Highlights: Harrell's inventive circuit utilizes a sophisticated system that generates an error signal to maintain the desired motor speed, enhancing operational efficiency and reducing energy wastage.

Collaborations: During his tenure at the esteemed Black & Decker Corporation, Harrell collaborated with notable individuals such as Pradeep M Bhagwat and Stephen W Smith, further solidifying his reputation as a pioneering figure in the industry.

Conclusion: Duronie Harrell's contributions to motor speed control exemplify his dedication to advancing technological innovation, and his inventive circuit continues to inspire advancements 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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