Hellertown, PA, United States of America

Fritz J Friedersdorf

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Bethlehem Steel Corporation, Isg Technologies Inc.. Active years: 2000-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fritz J Friedersdorf. Retrieved from https://idiyas.com/inventor/fritz-j-friedersdorf

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

Calculating rank

% Patents Active = 50.0


Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Hellertown, PA (US) (2000 - 2002)
  • Earlyville, VA (US) (2007)

Company Filing History:


Years Active: 2000-2007

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Fritz J. Friedersdorf

Introduction

Fritz J. Friedersdorf, an accomplished inventor based in Hellertown, PA, has made significant contributions to the field of materials science with a focus on steel coating technologies. With four patents to his name, he has developed advanced methods that enhance the quality and performance of coated steel products.

Latest Patents

Friedersdorf's latest inventions include two notable patents related to steel coating compositions and methods. The first patent introduces a composition for controlling spangle size in coated steel products. This innovative method employs an aluminum-zinc coating alloy and modifies the coating bath with a particulate compound to control spangle facet size, improve tension bend rust stain performance, and enhance the paintability of the coated product. Key constituents in this method include titanium boride, aluminum borides, titanium carbide, and titanium aluminide. Remarkably, this approach eliminates the need for temper rolling during the painting process.

The second patent details a similar method that focuses on improving coated steel products through the same innovative aluminum-zinc coating alloy. By decreasing the spangle facet size and enhancing performance characteristics, Friedersdorf’s method achieves a high-quality finish for steel products.

Career Highlights

Friedersdorf has shared his expertise with several prominent companies in the steel industry, including Bethlehem Steel Corporation and ISG Technologies Inc. His innovative approaches have significantly impacted how coated steel products are manufactured, aligning with industry needs for better performance and quality.

Collaborations

Throughout his career, Friedersdorf has collaborated with talented individuals like George E. Donchez and Erin T. McDevitt. These partnerships have fostered an environment of innovation, leading to the successful development of his patents and enhancing the overall advancement in the field.

Conclusion

Fritz J. Friedersdorf exemplifies the spirit of innovation in the steel industry with his groundbreaking patents that have paved the way for improved coating methods and product performance. His dedication to enhancing steel properties resonates within the material science community, ensuring continued evolution in the field of coated products. As technology advances, Friedersdorf’s contributions will likely inspire future innovations in steel coating technologies.

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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