David R. Mandeville

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Missouri City, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple entrance shunt
- Patent number 7,370,700
- Issue date May 13, 2008
- Schlumberger Technology Corporation
- Gary D. Hurst
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple entrance shunt
- Patent number 7,207,383
- Issue date Apr 24, 2007
- Schlumberger Technology Corporation
- Gary D. Hurst
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for preventing the inadvertent activation of t...
- Patent number 6,516,890
- Issue date Feb 11, 2003
- Schlumberger Technology Corporation
- Stephen L. Jackson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packer and method
- Patent number 6,481,496
- Issue date Nov 19, 2002
- Schlumberger Technology Corporation
- Stephen L. Jackson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for controlling fluid flow in conduits
- Patent number 6,298,916
- Issue date Oct 9, 2001
- Schlumberger Technology Corporation
- Raymond J. Tibbles
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MULTIPLE ENTRANCE SHUNT
- Publication number 20070131421
- Publication date Jun 14, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Gary D. Hurst
- E21 - EARTH DRILLING MINING
Information Patent Application
Multiple entrance shunt
- Publication number 20030159825
- Publication date Aug 28, 2003
- Gary D. Hurst
- E21 - EARTH DRILLING MINING