ML

Michel Lefrancois

CEA: 2 patents #48 of 554Top 9%
TS Technetics Group France Sas: 2 patents #1 of 11Top 10%
📍 Orange, FR: #1 of 5 inventorsTop 20%
Overall (2023): #125,873 of 537,848Top 25%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11821517 Metal seal comprising a textured outer sealing layer Florent Ledrappier, Jean-François Juliaa, Marin Teissier, Thierry David, Tony Zaouter 2023-11-21
11644103 Metal sealing system for triple eccentricity butterfly valve Laurent Guimet, Etienne Boyer, Marin Tessier, Jean-Jacques Darque, Bertrand Thevenon 2023-05-09