MS

Marius Smarandache

Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
Overall (All Time): #1,347,599 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12421826 Sealing device David Merlau, Gareth Yen Ket Chin, Brian John Bethscheider 2025-09-23
10669847 Double Rod Lock System Sebastien Ives, Douglas W. Grant, Lorena Lopez Pinana, Akhil Bahl 2020-06-02
10487652 Downhole sampling tool with check valve piston Sebastien Ives, Malcolm Atkinson, Douglas W. Grant 2019-11-26