Raleigh, NC, United States of America

Paul J Chappell

This inventor holds 2 USPTO granted patents. Top assignees: The United States of America as Represented by the Administrator of the, The United States of America as Represented by the U.S. Environmental. Active years: 1993-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Paul J Chappell. Retrieved from https://idiyas.com/inventor/paul-j-chappell

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 = 2.7

ph-index = 2

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 1993-1996

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2 patents (USPTO):Explore Patents

Title: Paul J Chappell: Innovator in Environmental Control Technologies

Introduction

Paul J Chappell is a notable inventor based in Raleigh, NC (US), recognized for his contributions to environmental control technologies. He holds 2 patents that focus on minimizing pollutant emissions and improving power efficiency in electric motors. His innovative approaches utilize advanced control systems to address critical environmental challenges.

Latest Patents

Chappell's latest patents include an "Intelligent afterburner injection control to minimize pollutant emissions." This invention features an intelligent oxygen injection control system for afterburners, which effectively reduces transient incinerator pollutant emissions while conserving oxygen consumption. The system employs a fuzzy logic-based controller that utilizes sensor inputs to measure gas phase pollutant species, such as hydrocarbons and carbon monoxide, thereby optimizing oxygen injection.

Another significant patent is the "Fuzzy logic integrated control method and apparatus to improve motor." This invention enhances the power efficiency of electric motor-driven loads, including adjustable speed drives, through a fuzzy logic controller that generates a power efficiency signal. The fuzzy rule base manages sequential power changes based on previous adjustments to meet load demands while minimizing power input.

Career Highlights

Throughout his career, Paul J Chappell has worked with various organizations, including the United States of America as represented by the U.S. Environmental Protection Agency and the United States of America as represented by the Administrator of the Environmental Protection Agency. His work has significantly impacted environmental technology and energy efficiency.

Collaborations

Chappell has collaborated with notable professionals in his field, including Ronald J Spiegel and Keith Joseph Fritsky. Their combined expertise has contributed to advancements in environmental control technologies.

Conclusion

Paul J Chappell's innovative work in environmental control technologies demonstrates his commitment to reducing pollutant emissions and improving energy efficiency. His patents reflect a deep understanding of complex systems and a dedication to creating sustainable solutions.

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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