Louisville, KY, United States of America

Francis R Duerr

This inventor holds 1 USPTO granted patent. Top assignee: Corning Glass Works. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis R Duerr. Retrieved from https://idiyas.com/inventor/francis-r-duerr

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 = 2.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: The Innovations of Francis R. Duerr

Introduction

Francis R. Duerr is a notable inventor based in Louisville, KY (US). He has made significant contributions to the field of engineering, particularly in the area of extrusion technology. His innovative approach has led to the development of a unique patent that addresses challenges in material flow.

Latest Patents

One of Francis R. Duerr's key patents is related to an extrusion die. This invention focuses on relieving the restricted flow of material from large to small feed holes by forming a transition zone within the die. The transition zone is created by extending either or both of the large and small feed holes so that they axially overlap. This innovative design enhances the efficiency of the extrusion process.

Career Highlights

Francis R. Duerr has had a successful career at Corning Glass Works, where he has applied his expertise in material science and engineering. His work has contributed to advancements in manufacturing processes, particularly in the production of glass and other materials.

Collaborations

Throughout his career, Francis has collaborated with various professionals in the field. One notable coworker is Leonard W. Pokallus, with whom he has shared insights and expertise to further enhance their projects.

Conclusion

Francis R. Duerr's contributions to the field of extrusion technology exemplify the impact of innovative thinking in engineering. His patent on the extrusion die showcases his ability to solve complex problems and improve manufacturing processes. His work continues to influence the industry and inspire future innovations.

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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