Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Christophe Rayssiguier — 35 Patents

Schlumberger Technology: 33 patents #94 of 7,293Top 2%
SASika Technology Ag: 1 patents #276 of 606Top 50%
Melun, TX: #1 of 1 inventorsTop 100%
Overall (All Time): #97,922 of 4,157,543Top 3%
35 Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
6523613 Hydraulically actuated valve Vong Vongphakdy 2003-02-25
6511335 Multi-contact, wet-mateable, electrical connector Kalim Ullah, Gary P. Bickford, Robert Martinez 2003-01-28
6505684 Hydraulic actuator Vong Vongphakdy 2003-01-14
6502640 Hydraulic actuator Vong Vongphakdy 2003-01-07
6499541 Method of installing components in a downhole apparatus, and apparatus obtained thereby Stephane Hiron, Vincent Tourillon, Gilles Cantin 2002-12-31
6364023 Downhole actuator, and a flow rate adjuster device using such an actuator Stephane Hiron, Vincent Tourillon, Gilles Cantin 2002-04-02
6341652 Backflow prevention device David L. Malone 2002-01-29
6325150 Sliding sleeve with sleeve protection 2001-12-04
6273194 Method and device for downhole flow rate control Stephane Hiron, Vincent Tourillon 2001-08-14
5771974 Test tree closure device for a cased subsea oil well Adrian J. Stewart, Jean-Paul Ribeyre 1998-06-30