Cambridge, MD, United States of America

Lyal N Merriken

This inventor holds 3 USPTO granted patents. Top assignee: Airpax Electronics, Incorporated. Active years: 1976-1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lyal N Merriken. Retrieved from https://idiyas.com/inventor/lyal-n-merriken

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 = 2.0

ph-index = 3

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1976-1977

Loading Chart...
3 patents (USPTO):Explore Patents

Title: The Innovations of Lyal N. Merriken: A Pioneer in Circuit Breaker Technology

Introduction

Lyal N. Merriken is a notable inventor based in Cambridge, Maryland, recognized for his innovative contributions to circuit breaker technology. With a total of three patents to his name, Merriken has made significant advancements in enhancing the performance and safety of electrical systems.

Latest Patents

Merriken's latest patents include groundbreaking designs that address common issues encountered with circuit breakers. One of his notable inventions is a *circuit breaker with improved delay*, which discloses a magnetic circuit breaker characterized by enhanced delay properties and increased pulse tolerance. This innovation incorporates a trip coil strategically spaced from the magnetic pole piece of a delay tube by a non-conductive, non-magnetic gap, along with an elongated delay core. An inertia wheel is mechanically coupled to the trip armature, which effectively reduces nuisance tripping during high but transient overcurrents, thereby providing superior motor protection.

Another significant invention is the *circuit breaker with an arc chamber screen*. This molded case type magnetic circuit breaker boasts improved performance, featuring a corrosion and temperature-resistant stainless steel wire screen that overlays a novel exhaust gas baffle arrangement. This design effectively cools and disperses arc chamber gases, eliminating flashover during high current switching due to conduction through the exhaust gas plasma. Additionally, the invention introduces a new arc chamber construction and a marine baffle that facilitates its use in potentially explosive environments.

Career Highlights

Lyal N. Merriken is currently associated with Airpax Electronics, Incorporated, where he continues to develop innovative circuit breaker technologies. His work not only demonstrates his expertise but also his commitment to enhancing electrical safety standards.

Collaborations

Throughout his career, Merriken has collaborated with fellow inventor George S. Harper, exchanging ideas and insights that have contributed to the development of advanced circuit breaker systems. Their teamwork has played a crucial role in driving innovation within their field.

Conclusion

As an accomplished inventor based in Cambridge, MD, Lyal N. Merriken has made remarkable strides in the field of circuit breaker technology through his patents and collaborative efforts. His work not only improves the safety and efficiency of electrical systems but also sets new benchmarks for innovation 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]
Loading…