Roy Arne Klevstad

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Kongsberg, NO

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Patents Grantslast 30 patents

Information Patent Grant
Cylinder release arrangement
- Patent number 9,580,975
- Issue date Feb 28, 2017
- FMC Kongsberg Subsea AS
- Hans-Paul Carlsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety joint
- Patent number 9,580,974
- Issue date Feb 28, 2017
- FMC Kongsberg Subsea AS
- Hans-Paul Carlsen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SAFETY JOINT
- Publication number 20160123092
- Publication date May 5, 2016
- FMC Kongsberg Subsea AS
- Hans-Paul Carlsen
- E21 - EARTH DRILLING MINING
Information Patent Application
CYLINDER RELEASE ARRANGEMENT
- Publication number 20150354289
- Publication date Dec 10, 2015
- FMC Kongsberg Subsea AS
- Hans-Paul Carlsen
- E21 - EARTH DRILLING MINING