Nanterre, France

Michel Castagne

This inventor holds 6 USPTO granted patents and 4 EPO patents. Top assignees: Institut Francais Du Pe'trole, Peugeot Citroen Automobiles Sa, Psa Peugeot Citroen. Active years: 1994-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michel Castagne. Retrieved from https://idiyas.com/inventor/michel-castagne

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

Calculating rank

% Patents Active = 16.7

 

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Palaiseau, FR (1994)
  • Nanterre, FR (2006 - 2011)

Company Filing History:


Years Active: 1994-2011

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6 patents (USPTO):Explore Patents

Title: Michel Castagne: Innovator in Exhaust Gas Treatment Technologies

Introduction

Michel Castagne is a notable inventor based in Nanterre, France. He has made significant contributions to the field of exhaust gas treatment, particularly in the regeneration of particle filters and the desulfation of nitric oxide traps. With a total of 6 patents to his name, Castagne's work is pivotal in enhancing the efficiency of internal combustion engines, especially Diesel engines.

Latest Patents

One of his latest patents is a method and device intended for the desulfation of a nitric oxide trap and the regeneration of a particle filter. This innovative method evaluates the saturation rate of the trap and the clogging rate of the filter. When either rate reaches a threshold value, the fuel/air ratio of the exhaust gas is increased, facilitating the desulfation of the trap in conjunction with the regeneration of the particle filter.

Another significant patent involves a method for regenerating a particle filter integrated into the exhaust line of an internal combustion engine. This invention monitors the internal temperature of at least two regions of the filter during regeneration. If any monitored temperature exceeds a critical threshold, the oxygen content of the exhaust gas is reduced. Conversely, if all monitored temperatures remain below the critical temperature, the oxygen content is increased to continue the regeneration process.

Career Highlights

Throughout his career, Michel Castagne has worked with esteemed organizations such as the Institut Français du Pétrole and Peugeot Citroën Automobiles. His experience in these companies has allowed him to develop and refine his innovative ideas in exhaust gas treatment technologies.

Collaborations

Castagne has collaborated with notable professionals in his field, including Jean-Baptiste Dementhon and Rémi Noirot. These collaborations have contributed to the advancement of his inventions and the successful implementation of his patented technologies.

Conclusion

Michel Castagne's contributions to the field of exhaust gas treatment are invaluable. His innovative patents and career achievements reflect his dedication to improving internal combustion engine efficiency. His work continues to influence advancements in automotive technology.

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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