Stein Erik Meinseth

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Patents Grantslast 30 patents

Information Patent Grant
Casing drilling system and method
- Patent number 9,593,536
- Issue date Mar 14, 2017
- Reelwell, A.S.
- Ola M. Vestavik
- E21 - EARTH DRILLING MINING
Information Patent Grant
Actuator for dual drill string valve and drill string valve configu...
- Patent number 9,267,344
- Issue date Feb 23, 2016
- Reelwell AS
- Espen Alhaug
- E21 - EARTH DRILLING MINING
Information Patent Grant
Actuator for dual drill string valve and rotary drill string valve...
- Patent number 8,997,871
- Issue date Apr 7, 2015
- Reelwell, A.S.
- Espen Alhaug
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealing arrangement for a down hole valve
- Patent number 8,955,847
- Issue date Feb 17, 2015
- Reelwell AS
- Harald Syse
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CASING DRILLING SYSTEM AND METHOD
- Publication number 20150322721
- Publication date Nov 12, 2015
- Reelwell, A. S.
- Ola M. Vestavik
- E21 - EARTH DRILLING MINING
Information Patent Application
ACTUATOR FOR DUAL DRILL STRING VALVE AND ROTARY DRILL STRING VALVE...
- Publication number 20130220623
- Publication date Aug 29, 2013
- Espen Alhaug
- E21 - EARTH DRILLING MINING
Information Patent Application
ACTUATOR FOR DUAL DRILL STRING VALVE AND DRILL STRING VALVE CONFIGU...
- Publication number 20130220622
- Publication date Aug 29, 2013
- Espen Alhaug
- E21 - EARTH DRILLING MINING
Information Patent Application
Sealing Arrangement For A Down Hole Valve
- Publication number 20120112115
- Publication date May 10, 2012
- REELWELL AS
- Harald Syse
- E21 - EARTH DRILLING MINING