BB

Brian John Bethscheider

Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
Overall (All Time): #1,347,598 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, Marius Smarandache 2025-09-23
10808493 Packer system having lockable mechanism Quangen Du 2020-10-20
10240403 Opposing thread screw safety joint Michael Joseph Gratzinger 2019-03-26