BD

Benoit Duquesne

VF Vallourec Mannesmann Oil & Gas France: 4 patents #1 of 22Top 5%
Overall (2011): #30,114 of 364,097Top 9%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8042842 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s) Laurent Dubedout, Eric Verger, Gregory Molins 2011-10-25
7980597 External protection for expandable threaded tubular connections Nicolas Breziat, Philippe Henaut 2011-07-19
7931311 Sealed tubular joint comprising local and initial added thickness(es) by means of plastic expansion Laurent Dubedout, Eric Verger 2011-04-26
7883120 Male element for a sealed threaded tubular connection Ludovic Fontaine, Gregory Molins 2011-02-08