Dean W. Lauppe

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Pasadena, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Coring bit with uncoupled sleeve
- Patent number 7,431,107
- Issue date Oct 7, 2008
- Schlumberger Technology Corporation
- Bunker Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for retaining a core sample within a coring tool
- Patent number 6,729,416
- Issue date May 4, 2004
- Schlumberger Technology Corporation
- Gary W. Contreras
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coring bit and method for obtaining a material core sample
- Patent number 6,412,575
- Issue date Jul 2, 2002
- Schlumberger Technology Corporation
- Edward Harrigan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coring bit motor and method for obtaining a material core sample
- Patent number 6,371,221
- Issue date Apr 16, 2002
- Schlumberger Technology Corporation
- Edward Harrigan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Coring bit with uncoupled sleeve
- Publication number 20060054358
- Publication date Mar 16, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Bunker M. Hill
- E21 - EARTH DRILLING MINING
Information Patent Application
[CORING TOOL WITH RETENTION DEVICE]
- Publication number 20050133267
- Publication date Jun 23, 2005
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Lennox E. Reid
- E21 - EARTH DRILLING MINING
Information Patent Application
Coring Bit With Uncoupled Sleeve
- Publication number 20040140126
- Publication date Jul 22, 2004
- Bunker M. Hill
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for retaining a core sample within a coring tool
- Publication number 20020148643
- Publication date Oct 17, 2002
- Gary W. Contreras
- E21 - EARTH DRILLING MINING