LV

Lionel Verdillon

SI Sumitomo Metal Industries: 2 patents #2 of 66Top 4%
VF Vallourec Mannesmann Oil & Gas France: 2 patents #1 of 11Top 10%
Overall (2004): #52,903 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6752436 Fatigue-resistant threaded bevelled tubular element 2004-06-22
6729658 Threaded tubular element for fatigue resistant threaded tubular joint and resulting threaded tubular joint 2004-05-04