AD

Antoine Durand

VF Vallourec Mannesmann Oil & Gas France: 4 patents #12 of 81Top 15%
Overall (All Time): #1,239,800 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8011698 Sealed tubular joint with plastic expansion and at least one inclined surface Eric Verger, Albert Bruneau 2011-09-06
7699361 Sealed tubular joint with plastic expansion and at least one inclined surface Eric Verger, Albert Bruneau 2010-04-20
7588270 Threaded tubular joint comprising sealing surfaces Andrei Gregory Filippov 2009-09-15
7581766 Reinforced tubular joint for improved sealing-tightness after plastic expansion Eric Verger, Albert Bruneau 2009-09-01