PD

Pierre Dutilleul

VF Vallourec Mannesmann Oil & Gas France: 4 patents #12 of 81Top 15%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
📍 Jenlain, FR: #2 of 4 inventorsTop 50%
Overall (All Time): #1,239,520 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7997120 Method for pressure testing a threaded component 2011-08-16
7997627 Threaded joint for steel pipes Masaaki Sugino, Miyuki Yamamoto, Michihiko Iwamoto, Shigeo Nagasaku, Gabriel Roussie +1 more 2011-08-16
7334821 Premium threaded tubular joint comprising at least a threaded element with end lip Gabriel Roussie 2008-02-26
6312024 Threaded assembly of metal tubes designed to contain a corrosive fluid Thierry Noel 2001-11-06