EV

Emmanuel Varenne

VF Vallourec Mannesmann Oil & Gas France: 3 patents #2 of 3Top 70%
Overall (2002): #30,297 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6481760 Threaded connection of two metal tubes with groove in the threading Thierry Noel 2002-11-19
6412831 Threaded connection of two metal tubes with high tightening torque Thierry Noel 2002-07-02
6349979 Integral threaded assembly of two metal tubes Thierry Noel 2002-02-26