Darren Ritchie

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Aberdeenshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Downhole tool
- Patent number 8,905,158
- Issue date Dec 9, 2014
- Paradigm Oilfield Services Limited
- Darren Ritchie
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Downhole Tool
- Publication number 20120037426
- Publication date Feb 16, 2012
- Paradigm Oilfield Services Limited
- Darren Ritchie
- E21 - EARTH DRILLING MINING