This inventor holds 4 USPTO granted patents. Top assignees: Agence Nationale De Valorisation De La Recherche (Anvar), Centre National De La Recherche Scientifique. Active years: 1984-1987.
Location History:
- Limours, FR (1984 - 1986)
- Boullay les Troux Limours, FR (1987)
Company Filing History:

Years Active: 1984-1987
Title: The Innovative Contributions of Jean Marec
Introduction
Jean Marec is a notable inventor based in Limours, France. He has made significant contributions to the field of plasma technology, holding a total of 4 patents. His work focuses on exciting plasma in gaseous mixtures, which has applications in various scientific and industrial fields.
Latest Patents
Marec's latest patents include an apparatus for exciting plasma in a column of gas. This invention utilizes a waveguide coupled to a tubular member, generating intense surface waves in a gaseous mixture. The design incorporates short circuits that delimit the plasma, resulting in very high intensity standing microwaves that increase the energy density of the plasma. An ion laser effect can be observed, particularly in mixtures of argon and helium, with optional krypton. Another significant patent involves an improved plasma torch, where a metal tube delivers a plasma-generating gas to an end discharge outlet. This delivery tube is excited by microwave energy through a rectangular waveguide, allowing for enhanced plasma generation.
Career Highlights
Throughout his career, Jean Marec has worked with esteemed organizations such as the Agence Nationale de Valorisation de la Recherche (ANVAR) and the Centre National de la Recherche Scientifique (CNRS). His experience in these institutions has contributed to his expertise in plasma technology and innovation.
Collaborations
Marec has collaborated with notable individuals in his field, including Philippe LePrince and Emile Bloyet. These partnerships have likely enriched his research and development efforts.
Conclusion
Jean Marec's innovative work in plasma technology and his contributions to scientific research highlight his importance as an inventor. His patents reflect a commitment to advancing technology in this specialized field.