Stuart Arthur Lyall McCurdy

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Drilling rig structure installation and methods
- Patent number 8,250,816
- Issue date Aug 28, 2012
- National Oilwell Varco LP
- Robert Benjamin Donnally
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling rig drawworks installation
- Patent number 8,047,303
- Issue date Nov 1, 2011
- National Oilwell Varco LP
- Robert Benjamin Donnally
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drilling rigs and erection methods
- Publication number 20090218139
- Publication date Sep 3, 2009
- Robert Benjamin Donnally
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling rig masts and methods of assembly and erecting masts
- Publication number 20090218144
- Publication date Sep 3, 2009
- Robert Benjamin Donnally
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling rig structure installation and methods
- Publication number 20090218138
- Publication date Sep 3, 2009
- Robert Benjamin Donnally
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling rig drawworks installation
- Publication number 20090218137
- Publication date Sep 3, 2009
- Robert Benjamin Donnally
- E21 - EARTH DRILLING MINING