EV

Emmanuel Varenne

VF Vallourec Mannesmann Oil & Gas France: 2 patents #1 of 11Top 10%
SI Sumitomo Metal Industries: 1 patents #12 of 66Top 20%
Overall (2004): #66,141 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6789823 Tubular threaded joint with reinforced stop Celine Sches, Masaaki Sugino, Miyuki Yamamoto 2004-09-14
6712401 Tubular threaded joint capable of being subjected to diametral expansion Jean-Luc Coulon, Thierry Noel, Gabriel Roussie 2004-03-30