Alistair D. Crozier

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Non-orienting tree cap
- Patent number 7,621,338
- Issue date Nov 24, 2009
- Vetco Gray Inc.
- Michael A. Wenham
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subsea wellhead assembly
- Patent number 7,240,735
- Issue date Jul 10, 2007
- Vetco Gray Inc.
- Alistair D. Crozier
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
NON-ORIENTING TREE CAP
- Publication number 20090025939
- Publication date Jan 29, 2009
- Vetco Gray Inc.
- Michael A. Wenham
- E21 - EARTH DRILLING MINING
Information Patent Application
Subsea wellhead assembly
- Publication number 20050126788
- Publication date Jun 16, 2005
- Alistair D. Crozier
- E21 - EARTH DRILLING MINING