QD

Quangen Du

Schlumberger Technology: 6 patents #1,057 of 7,293Top 15%
📍 Fresno, TX: #7 of 36 inventorsTop 20%
🗺 Texas: #24,375 of 125,132 inventorsTop 20%
Overall (All Time): #814,857 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11274522 Systems and techniques for controlling and monitoring downhole operations in a well Chao Wang, Julien Bost, Vincent Nicolas, Abbigail Ullrich 2022-03-15
10808493 Packer system having lockable mechanism Brian John Bethscheider 2020-10-20
10502024 Systems and techniques for controlling and monitoring downhole operations in a well Chao Wang, Julien Bost, Vincent Nicolas, Abbigail Ullrich 2019-12-10
9863202 Propellant energy to operate subsea equipment Gary L. Rytlewski, Laure Mandrou, David Carter Allensworth, Deepak Dcosta 2018-01-09
9243478 Piping system having an insulated annulus John Yarnold, Matthew Niemeyer, Baptiste Germond 2016-01-26
8978766 Temperature compensated accumulator Peter Nellessen 2015-03-17