West Jefferson, NC, United States of America

Thomas W Efford

This inventor holds 3 USPTO granted patents. Top assignees: Sprague Electric Company, United Chemi-Con Manufacturing. Active years: 1985-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Thomas W Efford. Retrieved from https://idiyas.com/inventor/thomas-w-efford

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 = 2.3

ph-index = 3

Forward Citations = 97(Granted Patents)


Location History:

  • Knoxville, TN (US) (1985)
  • West Jefferson, NC (US) (1989 - 1997)

Company Filing History:


Years Active: 1985-1997

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3 patents (USPTO):Explore Patents

Title: Thomas W Efford: Innovator in Capacitor Technology

Introduction

Thomas W Efford is a notable inventor based in West Jefferson, NC (US). He has made significant contributions to the field of capacitor technology, holding a total of 3 patents. His innovative designs focus on improving heat dissipation and efficiency in capacitor assemblies.

Latest Patents

One of his latest patents is the High Ripple Current Capacitor. This invention features a capacitor structure designed to dissipate heat generated by high ripple currents. The capacitor includes an outer casing of substantially annular cross-section, which comprises an outer side wall, a bottom, and an interior tube made from a continuous piece of thermally conductive material. The capacitor winding, also of substantially annular cross-section, is sealed at the top and is in close thermal contact with the inner tube, bottom, and outer side wall to enhance heat dissipation.

Another significant patent is the Electrolytic Capacitor Assembly. This assembly consists of multiple electrolytic capacitor sections sealed within a common cube-like case. An internal wall divides the case into isolated chambers, allowing the assembly to occupy minimal space on a circuit board, similar to an individual capacitor of prior art. Each capacitor chamber is equipped with its own vent, strategically located to maintain the desired vent thickness.

Career Highlights

Throughout his career, Thomas W Efford has worked with prominent companies in the electronics industry, including Sprague Electric Company and United Chemi-con Manufacturing. His experience in these organizations has contributed to his expertise in capacitor technology and innovation.

Collaborations

Thomas has collaborated with notable individuals in his field, including Gary J Buczkowski and Mitchell D Weaver. These partnerships have likely fostered a creative environment that has led to advancements in capacitor design and functionality.

Conclusion

Thomas W Efford's contributions to capacitor technology through his innovative patents demonstrate his commitment to enhancing electronic components. His work continues to influence the industry and pave the way for future advancements in capacitor 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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