Robert Chapman Ross

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Newmachar, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for top to bottom expansion of tubulars
- Patent number 6,029,748
- Issue date Feb 29, 2000
- Baker Hughes Incorporated
- David G. Forsyth
- E21 - EARTH DRILLING MINING
Information Patent Grant
One-trip window-milling method
- Patent number 5,947,201
- Issue date Sep 7, 1999
- Baker Hughes Incorporated
- Robert C. Ross
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole apparatus for generating electrical power in a well
- Patent number 5,839,508
- Issue date Nov 24, 1998
- Baker Hughes Incorporated
- Paulo Tubel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Lateral seal and control system
- Patent number 5,787,987
- Issue date Aug 4, 1998
- Baker Hughes Incorporated
- David George Forsyth
- E21 - EARTH DRILLING MINING