Wayne, PA, United States of America

Fred B Fletcher

This inventor holds 3 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignee: Arcelormittal Investigacion Y Desarrollo, S.l.. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fred B Fletcher. Retrieved from https://idiyas.com/inventor/fred-b-fletcher

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 = 9(Granted Patents)


Company Filing History:


Years Active: 2012-2016

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3 patents (USPTO):Explore Patents

Title: Innovations of Fred B. Fletcher

Introduction

Fred B. Fletcher is an accomplished inventor based in Wayne, PA, known for his significant contributions to the field of materials engineering. He holds three patents, showcasing his expertise and innovative spirit in developing advanced steel rail technologies.

Latest Patents

Fletcher's latest patents include a method for creating hypereutectoid, head-hardened steel rails. This innovative process involves a specific composition of steel, including 0.86-1.00 wt % carbon, 0.40-0.75 wt % manganese, 0.40-1.00 wt % silicon, 0.05-0.15 wt % vanadium, 0.015-0.030 wt % titanium, and sufficient nitrogen to react with the titanium to form titanium nitride. The head hardening process is meticulously controlled at a cooling rate that is plotted on a graph with xy-coordinates, ensuring optimal performance and durability of the steel rail.

Career Highlights

Fletcher is currently associated with Arcelormittal Investigacion Y Desarrollo, S.L., where he continues to push the boundaries of innovation in steel production. His work has been instrumental in enhancing the quality and longevity of steel rails used in various applications.

Collaborations

Throughout his career, Fletcher has collaborated with notable colleagues, including Bruce L. Bramfitt and John A.

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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