Oklahoma City, OK, United States of America

John A Campbell

This inventor holds 3 USPTO granted patents. Top assignee: Kerr-Mcgee Coal Corporation. Active years: 1986-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John A Campbell. Retrieved from https://idiyas.com/inventor/john-a-campbell-769usym6

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 = 2

Forward Citations = 29(Granted Patents)


Company Filing History:


Years Active: 1986-1990

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3 patents (USPTO):Explore Patents

Title: Innovations of John A. Campbell

Introduction

John A. Campbell is a notable inventor based in Oklahoma City, OK, who has made significant contributions to the field of coal loading systems and flue gas treatment. With a total of three patents to his name, Campbell's work focuses on improving efficiency and reducing environmental impact in coal handling processes.

Latest Patents

One of Campbell's latest patents is a loading system for railroad cars. This innovative system is designed for loading coal particles into railroad cars while ensuring that the weight of the loaded coal does not exceed a predetermined control weight. The system employs both a continuous loading system and a batch loading system to achieve optimal loading efficiency. Another significant patent involves a process for reducing the gaseous sulfur dioxide content of flue gases. This process includes preheating coal before combustion and controlling the combustion temperature to minimize sulfur conversion to sulfates.

Career Highlights

Campbell has spent a considerable part of his career at Kerr-McGee Coal Corporation, where he has been instrumental in developing technologies that enhance coal loading and combustion processes. His innovative approaches have contributed to the company's reputation as a leader in the coal industry.

Collaborations

Throughout his career, Campbell has collaborated with several talented individuals, including Carl L. Baldwin and David J. Foley. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in coal handling.

Conclusion

John A. Campbell's contributions to the field of coal loading systems and flue gas treatment demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of the challenges in the coal industry and a dedication to finding effective 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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