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For the Inventor, By the Inventor

GB

Schlumberger Wcp Ltd.


USPTO Granted Patents = 2

Forward Citations = 104

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4 inventors (with patents filed for the assignee):

goldMedal Geoff Downton (1 out of 37 patents)

silverMedal Nigel Dennis Griffin (1 out of 39 patents)

bronzeMedal Peter Raymond Hughes (1 out of 15 patents)

4.  Mark A Colebrook (1 out of 3 patents)


2 patents:

1. 6962214 - Rotary seal for directional drilling tools (2005-11-08),
2. 6601658 - Control method for use with a steerable drilling system (2003-08-05),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#706 in

#6,373 in United Kingdom

...
GB

Schlumberger Wcp Ltd.

Forward Citations = 104

4 inventors:

goldMedal Geoff Downton (1 out of 37 patents)

silverMedal Nigel Dennis Griffin (1 out of 39 patents)

bronzeMedal Peter Raymond Hughes (1 out of 15 patents)

4.  Mark A Colebrook (1 out of 3 patents)

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