Asheville, NC, United States of America

William M Duncan

This inventor holds 2 USPTO granted patents. Top assignee: Square D Company. Active years: 1989-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William M Duncan. Retrieved from https://idiyas.com/inventor/william-m-duncan-ss5vh7hd

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 = 8.0

ph-index = 2

Forward Citations = 118(Granted Patents)


Company Filing History:


Years Active: 1989-1991

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2 patents (USPTO):Explore Patents

Title: Innovations by William M. Duncan

Introduction

William M. Duncan is an accomplished inventor based in Asheville, NC. He has made significant contributions to the field of sensor technology, holding two patents that showcase his innovative approach to modular devices. His work emphasizes adaptability and user customization, making his inventions valuable in various applications.

Latest Patents

Duncan's latest patents include a Modular Sensor Device and a Modular Switch Device. The Modular Sensor Device is designed to supply analog data signals from temperature or pressure sensing elements. It connects to a modular switch system through a D-shaped sensor port in the housing. This design allows manufacturers and users to modify the standard modular switch system by applying and removing selected sensor modules. The device features an internal electrical assembly that can be configured as a pressure or temperature switch, enhancing its versatility.

The Modular Switch Device consists of a housing that encloses a control module, a display module, and a power module. It allows users to connect electrical wires and power to the internal assembly through an opening. Users can select between AC and DC switched output modules, as well as a 4-20 milliampere output module, by plugging and unplugging them from designated wells in the housing. This modularity enables both manufacturers and users to customize the device according to their specific needs.

Career Highlights

William M. Duncan is currently associated with Square D Company, where he continues to innovate in the field of sensor technology. His work has significantly impacted the design and functionality of modular devices, making them more user-friendly and adaptable to various applications.

Collaborations

Duncan has collaborated with notable coworkers, including George E. Glass and Jeffrey L. Johnson. Their combined expertise has contributed to the successful development of innovative products within their field.

Conclusion

William M. Duncan's contributions to sensor technology through his patents reflect his commitment to innovation and adaptability. His work at Square D Company and collaborations with talented individuals further enhance the impact of his inventions.

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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