Howell, NJ, United States of America

Francis H Butler

This inventor holds 1 USPTO granted patent. Top assignee: At&t Ipm Corp.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis H Butler. Retrieved from https://idiyas.com/inventor/francis-h-butler

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 = 5.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Francis H. Butler

Introduction: Francis H. Butler is a prominent inventor based in Howell, NJ, who has made significant contributions to the field of telecommunications. With a focus on enhancing system efficiency, his singular patent showcases his innovative spirit.

Latest Patents: Butler holds a patent for an "In-service upgrade for a telecommunication system." This ground-breaking invention facilitates the transfer of switching functions from an in-service switch to a new, larger capacity switch without any interruption of service. By employing the existing input and output ports of the original system, Butler's method allows for operational efficiency even when the original system is at full capacity. The invention cleverly consolidates signals routed through the original switch, temporarily utilizing only a portion of the switching fabric before seamlessly transitioning to the new switching fabric. The result is a re-homed system that remains operationally transparent, maintaining full non-blocking access while ensuring that all cabling remains intact.

Career Highlights: Francis Butler has dedicated his career to enhancing telecommunications systems through innovative solutions. By holding a patent that addresses the complexities of in-service upgrades, he demonstrates a deep understanding of both technological advancements and practical applications that benefit the industry.

Collaborations: Throughout his professional journey, Butler has collaborated with esteemed colleagues such as Lawrence Baranyai and John C. Cox. Their collective efforts and shared insights have further propelled Butler's innovative endeavors within AT&T IPM Corporation.

Conclusion: Francis H. Butler exemplifies the essence of innovation in the telecommunications sector. His groundbreaking patent for an in-service upgrade highlights his ability to blend technical knowledge with practical solutions. As he continues to contribute to the evolution of telecommunications, Butler remains an inspiring figure for aspiring inventors and professionals in the industry.

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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