Arapahoe, WY, United States of America

Duane L Johnson

This inventor holds 1 USPTO granted patent. Top assignee: Union Carbide Corporation. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Duane L Johnson. Retrieved from https://idiyas.com/inventor/duane-l-johnson-7aj0ymc3

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Duane L Johnson: Innovator in Ferrophosphorus Separation

Introduction

Duane L Johnson is a notable inventor based in Arapahoe, Wyoming. He has made significant contributions to the field of materials processing, particularly through his innovative methods for separating molten mixtures.

Latest Patents

Duane L Johnson holds a patent for a method of separating a mixture of molten oxidized ferrophosphorus. This method involves contacting a free-falling stream of the molten mixture with a water jet or jets, which are aligned with the longitudinal axis of an inclined collecting trough. This innovative approach enhances the efficiency of separating refined ferrophosphorus from its oxidized counterpart.

Career Highlights

Throughout his career, Duane has been associated with Union Carbide Corporation, where he has applied his expertise in materials science. His work has contributed to advancements in the processing of ferrophosphorus, which is essential in various industrial applications.

Collaborations

Duane has collaborated with notable colleagues, including Norman LeRoy Grauerholz and Robert L Ripley. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Duane L Johnson's contributions to the field of materials processing, particularly through his patented method for separating molten oxidized ferrophosphorus, highlight his role as an influential inventor. His work continues to impact the industry positively.

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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