Cambridge, MD, United States of America

Donald K Merchant

This inventor holds 3 USPTO granted patents. Top assignees: Airpax Corporation, Inc., North American Philips Controls Corp.. Active years: 1981-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald K Merchant. Retrieved from https://idiyas.com/inventor/donald-k-merchant

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 = 1.0

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1981-1989

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Donald K. Merchant in Thermal Circuit Technology

Introduction: Donald K. Merchant is a notable inventor based in Cambridge, Maryland, recognized for his significant contributions to thermal circuit technology. With a portfolio of three patents, Merchant has advanced the functionality and reliability of circuit breakers, enhancing electrical safety in various applications.

Latest Patents: Merchant's latest inventions include a Thermal Circuit Breaker and a PC-board Mounted Thermal Breaker. The Thermal Circuit Breaker features an improved design with a U-shaped bimetallic element that latches an escapement locking arm. This design ensures that the moving contact remains securely against a fixed contact when closed, with enhancements for ambient temperature compensation. The PC-board Mounted Thermal Breaker employs a bimetallic element resting on an insulated sawtooth surface, facilitating a quick snap action to open the breaker when overcurrent is detected. This innovation ensures efficient operation and improved safety in electrical systems.

Career Highlights: Donald K. Merchant has worked with prominent companies in the electrical industry, including Airpax Corporation, Inc. and North American Philips Controls Corporation. His experiences in these organizations have contributed to his expertise in developing innovative thermal circuit solutions.

Collaborations: Through his career, Merchant has collaborated with various engineering teams and professionals in the electrical and electronics sectors. His work at well-regarded companies has allowed him to gain insights and share knowledge, further influencing the field of thermal circuit technology.

Conclusion: Donald K. Merchant stands out as an inventive force in the development of thermal circuit breakers. His patents reflect a commitment to improving safety and efficiency in electrical applications, showcasing a blend of innovation and practical solutions. As technology advances, Merchant's contributions remain relevant and critical to ongoing developments in circuit safety.

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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