Hurst, TX, United States of America

Harold L Trammell, Jr

This inventor holds 2 USPTO granted patents. Top assignees: Ranco Electronics Division, Teccor Electronics, LP. Active years: 1980-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harold L Trammell, Jr. Retrieved from https://idiyas.com/inventor/harold-l-trammell-jr

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1980-1987

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2 patents (USPTO):Explore Patents

Title: Harold L Trammell, Jr: Innovator in Electrical Switch Technology

Introduction

Harold L Trammell, Jr. is a notable inventor based in Hurst, TX (US), recognized for his contributions to electrical switch technology. With a total of 2 patents, Trammell has developed innovative solutions that enhance the functionality and efficiency of electrical switches.

Latest Patents

Trammell's latest patents include the Toggle Electrical Switch and the Speed Control Switch. The Toggle Electrical Switch features a toggle lever that pivots within a switch housing, allowing for longitudinal motion of a slide that connects various conductive tracks. This design enables the alteration of electrical output based on the position of the toggle lever. The Speed Control Switch is an advanced electronic switch designed for electric motor control. It incorporates a trigger actuator for selecting motor speed and a reversing switch for motor direction, along with improvements that reduce arcing and enhance the overall performance of the switch.

Career Highlights

Throughout his career, Trammell has worked with reputable companies such as Teccor Electronics, LP and Ranco Electronics Division. His experience in these organizations has contributed to his expertise in electrical engineering and innovation.

Collaborations

Trammell has collaborated with notable coworkers, including Jerry W Swafford and Douglas E Conaway. These partnerships have likely fostered a creative environment that has led to the development of his patented technologies.

Conclusion

Harold L Trammell, Jr. stands out as an influential inventor in the field of electrical switches. His innovative designs and contributions continue 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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