Dana Point, CA, United States of America

James R Duffield

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James R Duffield. Retrieved from https://idiyas.com/inventor/james-r-duffield

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 = 34(Granted Patents)


Company Filing History:

goldMedal1 out of 834,453 
Other
 patents

Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Innovations by James R Duffield

Introduction

James R Duffield is an inventive mind based in Dana Point, CA (US). He has made significant contributions to the field of product design, particularly with his innovative approach to clothing hangers. His work exemplifies the intersection of functionality and creativity in everyday items.

Latest Patents

James R Duffield holds a patent for a unique design of counter stress beam hangers. This invention features hangers for hanging clothes or similar items, which include a plastic main body portion and an integral plastic hook portion. The design incorporates a plurality of cut-out areas formed by intersecting cross-beams, along with a continuous main arced counter stress cross-beam. This innovative structure ensures that all stresses acting on the hanger are evenly distributed throughout the arc formed by the continuous cross-beam, supported by vertical or angular support beams attached to it. This design not only enhances the durability of the hanger but also improves its overall functionality.

Career Highlights

Throughout his career, James R Duffield has focused on creating practical solutions that address common challenges in everyday life. His patent reflects his commitment to improving product design and user experience.

Collaborations

James has worked alongside Jeff A Jacobson, contributing to the development of innovative products. Their collaboration highlights the importance of teamwork in the creative process.

Conclusion

James R Duffield's contributions to the design of clothing hangers demonstrate his innovative spirit and dedication to enhancing everyday products. His patent for counter stress beam hangers showcases his ability to combine practicality with creativity, making a lasting impact in the field of product design.

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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