Vong Vongphakdy

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Cypress, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulically actuated valve
- Patent number 6,523,613
- Issue date Feb 25, 2003
- Schlumberger Technology Corp.
- Christophe M. Rayssiguier
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic actuator
- Patent number 6,505,684
- Issue date Jan 14, 2003
- Schlumberger Technology Corporation
- Christophe M. Rayssiguier
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic actuator
- Patent number 6,502,640
- Issue date Jan 7, 2003
- Schlumberger Technology Corporation
- Christophe M. Rayssiguier
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic actuator
- Publication number 20020046834
- Publication date Apr 25, 2002
- Christophe M. Rayssiguier
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulic actuator
- Publication number 20020046845
- Publication date Apr 25, 2002
- Christophe M. Rayssiguier
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulic actuator
- Publication number 20020046843
- Publication date Apr 25, 2002
- Christophe M. Rayssiguier
- E21 - EARTH DRILLING MINING