Peter V. Smith

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Sugar Land, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Selective direct and reverse circulation check valve mechanism for...
- Patent number 6,889,771
- Issue date May 10, 2005
- Schlumberger Technology Corporation
- Lawrence J. Leising
- E21 - EARTH DRILLING MINING
Information Patent Grant
Disconnect check valve mechanism for coiled tubing
- Patent number 6,808,023
- Issue date Oct 26, 2004
- Schlumberger Technology Corporation
- Peter V. Smith
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Disconnect check valve mechanism for coiled tubing
- Publication number 20040079531
- Publication date Apr 29, 2004
- Peter V. Smith
- E21 - EARTH DRILLING MINING