Ocre (Scotland) Limited

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Patents Grantslast 30 patents

Information Patent Grant
Downhole apparatus
- Patent number 6,289,991
- Issue date Sep 18, 2001
- Ocre (Scotland) Limited
- Clive John French
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole valve
- Patent number 6,286,594
- Issue date Sep 11, 2001
- Ocre (Scotland) Limited
- Clive John French
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole apparatus
- Patent number 6,230,808
- Issue date May 15, 2001
- Ocre (Scotland) Limited
- Clive John French
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole apparatus
- Patent number 6,220,355
- Issue date Apr 24, 2001
- Ocre (Scotland) Limited
- Clive John French
- E21 - EARTH DRILLING MINING