Butler, PA, United States of America

John R McClelland

This inventor holds 3 USPTO granted patents. Top assignees: Armco Steel Corporation, Armco Inc.. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John R McClelland. Retrieved from https://idiyas.com/inventor/john-r-mcclelland

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 = 3.5

ph-index = 3

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1976-1985

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3 patents (USPTO):Explore Patents

Title: Innovations by John R McClelland

Introduction

John R McClelland, an innovative inventor based in Butler, PA, has made significant contributions to the field of metallurgy and material processing. With a total of three patents to his name, McClelland's inventions focus on high-temperature processing techniques essential for enhancing the properties of metallic materials.

Latest Patents

One of McClelland's most notable inventions is the high-temperature box annealing furnace. This advanced apparatus is designed for metallic coil annealing practices. It features a fixed base with a removable bell that achieves a sealed relationship with the base. The design incorporates ceramic fiber insulation and electrical resistance heating elements divided into two separately controllable zones. This allows for precise temperature control essential for effective annealing.

Another significant patent is his method of annealing oriented silicon steel, a batch-type process optimized for large coils of silicon steel used in magnetic applications. This method is noteworthy for its use of a vacuum environment to remove air and for backfilling coils with a non-oxidizing atmosphere. By circulating the annealing atmosphere and subjecting the coils to carefully managed heating and cooling phases, McClelland ensures high-quality treatment for the material.

Career Highlights

Throughout his career, McClelland has held positions at reputable organizations, including Armco Steel Corporation and Armco Inc. His work in these companies has bolstered his understanding of material processing, leading to his successful innovations.

Collaborations

In his journey as an inventor, McClelland collaborated with talented colleagues such as John H Burger and Robert P Dunkle. These partnerships have contributed to his inventive processes, enabling him to refine and test his innovative ideas practically.

Conclusion

John R McClelland exemplifies the spirit of innovation in metallurgy through his inventive work. His contributions, particularly in high-temperature annealing technology, reflect his expertise and commitment to advancing industrial processes. As industries evolve, McClelland's inventions remain vital in optimizing the properties of metallic materials, ensuring that he is held in esteem within the realm of inventors.

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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