Jan Erik Pedersen

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Kristiansand S, NO

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Patents Grantslast 30 patents

Information Patent Grant
Mouse hole damper device
- Patent number 8,844,688
- Issue date Sep 30, 2014
- National Oilwell Norway AS
- Jan Erik Pedersen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MOUSE HOLE DAMPER DEVICE
- Publication number 20110233017
- Publication date Sep 29, 2011
- NATIONAL OILWELL VARCO NORWAY AS
- Jan Erik Pedersen
- E21 - EARTH DRILLING MINING