Kosay El-Rayes

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Dubai, AE

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Patents Grantslast 30 patents

Information Patent Grant
Retrievable plug system and methods of use
- Patent number 7,631,693
- Issue date Dec 15, 2009
- National-Oilwell Varco, L.P.
- Phillip M. Tong
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for shifting speeds in a fluid-actuated motor
- Patent number 7,523,792
- Issue date Apr 28, 2009
- National Oilwell, Inc.
- Kosay I. El-Rayes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Retrievable plug system
- Publication number 20070029084
- Publication date Feb 8, 2007
- National-Oilwell Varco, L.P.
- Phillip M. Tong
- E21 - EARTH DRILLING MINING