Company Filing History:
9 out of 83 
1 out of 14 
1 out of 110 Years Active: 1993-2001
Title: Innovator Spotlight: Jean Marmonier
Introduction
Jean Marmonier is a notable inventor based in Aix les Bains, France. With a prolific career marked by 12 patents, he has made significant contributions to the field of electrical engineering, particularly in circuit breaker technology. His innovative approaches have not only enhanced safety measures but also improved operational efficiency in various electrical systems.
Latest Patents
Among his latest patents is a method for discriminating between internal arcs and circuit-breaking arcs in medium or high voltage circuit breakers. This method involves a sophisticated protection system that detects internal arcs and issues a disengagement order, ensuring the safety of the circuit breaker. The technique measures and records the pressure of the dielectric gas within the enclosure, allowing for precise analysis to distinguish between different types of arcs.
Another significant patent by Marmonier is a density sensor designed to monitor the rate of leakage from electrical switchgear cases filled with dielectric gas under pressure. This sensor features an innovative design with a fixing support that communicates with the dielectric gas, encircled by a radiator to mitigate measurement errors caused by solar radiation. This invention enhances reliability by ensuring that low-density thresholds are accurately monitored without false readings.
Career Highlights
Jean Marmonier has worked with renowned companies such as GEC Alsthom T&D SA and Alstom France S.A. These roles have allowed him to develop and refine his inventions, contributing to the advancement of electrical engineering practices across the industry.
Collaborations
Throughout his career, Marmonier has collaborated with esteemed colleagues including Hervé Lefort and Jean-François Dillaois Penning. These partnerships have fostered an environment of innovation, enabling Marmonier to push the boundaries of technology and create impactful solutions.
Conclusion
Jean Marmonier stands out as a passionate inventor whose patents have not only advanced electrical safety but have also improved the efficiency of critical systems. Through continuous innovation and collaboration, he remains a significant figure in the engineering community, paving the way for future advancements in circuit breaker technologies.