David Cameron

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Dyce, GB

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Patents Grantslast 30 patents

Information Patent Grant
Interventionless bi-directional barrier
- Patent number 6,904,975
- Issue date Jun 14, 2005
- Baker Hughes Incorporated
- Benjamin Horne
- E21 - EARTH DRILLING MINING
Information Patent Grant
PBR with TEC bypass and wet disconnect/connect feature
- Patent number 6,776,636
- Issue date Aug 17, 2004
- Baker Hughes Incorporated
- David Cameron
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Selective mono bore diverter system
- Patent number 6,142,225
- Issue date Nov 7, 2000
- Baker Hughes Incorporated
- Mark McCorry
- E21 - EARTH DRILLING MINING
Information Patent Grant
Balanced or underbalanced drilling method and apparatus
- Patent number 5,865,261
- Issue date Feb 2, 1999
- Baker Hughes Incorporated
- Gary E. Cooper
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Prb with tec bypass and wet disconnect/connect feature
- Publication number 20030211768
- Publication date Nov 13, 2003
- David Cameron
- E21 - EARTH DRILLING MINING
Information Patent Application
Interventionless bi-directional barrier
- Publication number 20030173091
- Publication date Sep 18, 2003
- Benjamin Horne
- E21 - EARTH DRILLING MINING