Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Marc Guyon — 4 Patents

RSRenault S.A.S.: 3 patents #136 of 1,209Top 15%
FDFaurecia Systemes D'Echappement: 1 patents #51 of 141Top 40%
RERenault: 1 patents #13 of 94Top 15%
RCRhodia Chimie: 1 patents #251 of 584Top 45%
Arpajon, FR: #26 of 190 inventorsTop 15%
Overall (All Time): #1,239,985 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8020376 Regeneration control method for a particle filter Erwan Radenac 2011-09-20
7603845 Method and device for managing the operation of a nitrogen oxide trap, and diagnosing its ageing condition Bernard Dionnet, Stephane Cochet, Karim Guenounou, Laurent Leprieur 2009-10-20
7536854 Method for regenerating a motor vehicle particle filter and system for controlling regeneration of such a filter Manuel Da-Silva, Erwan Radenac 2009-05-26
6852666 Purifying composition with NOx treatment and internal combustion engine exhaust gases Christophe Bouly, Thierry Pontier, Christian Sarda, Christian Bert, Najat Moral +3 more 2005-02-08