Waukegan, IL, United States of America

James R Duffield

This inventor holds 1 USPTO granted patent. Top assignee: Abbott Laboratories Corporation. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James R Duffield. Retrieved from https://idiyas.com/inventor/james-r-duffield-c0l9itt0

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 = 3.0

ph-index = 1

Forward Citations = 66(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: Innovations of James R. Duffield

Introduction

James R. Duffield is an accomplished inventor based in Waukegan, IL (US). He is known for his innovative contributions to the field of medical technology. His work focuses on enhancing safety and usability in medical liquid containers.

Latest Patents

James R. Duffield holds a patent for a tamperproof port cover. This invention is designed to provide a tamper-resistant cover for the port of a container used for medical liquids. The cover indicates when an additive material has been introduced into the container. It is easily molded from a resinous plastic material and features latch portions that fit into a latch bar. This design prevents unauthorized access, resulting in a tamper-resistant structure. The latch portions are barbed sections guided by an inclined ramp into latch openings, ensuring a secure compression fit.

Career Highlights

James R. Duffield is associated with Abbott Laboratories Corporation, a leading company in the healthcare sector. His work there has contributed significantly to advancements in medical safety and technology.

Collaborations

Some of his notable coworkers include Kenneth H. Knox and Mark E. Larkin. Their collaboration has likely fostered an environment of innovation and creativity within the company.

Conclusion

James R. Duffield's contributions to medical technology through his patent for a tamperproof port cover exemplify his commitment to safety and innovation in healthcare. 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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