Calum J. B. Dinnes

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Danestone, GB

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable jackup drilling system hanger
- Patent number 5,653,289
- Issue date Aug 5, 1997
- ABB Vetco Gray Inc.
- Stanley Hosie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adjustable surface well head casing hanger
- Patent number 5,439,061
- Issue date Aug 8, 1995
- ABB Vetco Gray Inc.
- Norman Brammer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Contingency tieback adapter
- Patent number 5,368,335
- Issue date Nov 29, 1994
- ABB Vetco Gray Inc.
- Calum J. B. Dinnes
- E21 - EARTH DRILLING MINING