Sigbjorn Sangesland

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Trondheim, NO

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Patents Grantslast 30 patents

Information Patent Grant
Drill apparatus for a floating drill rig
- Patent number 10,156,105
- Issue date Dec 18, 2018
- Heavelock AS
- Ole Morten Aamo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Riser tube for use in great sea depth and method for drilling at su...
- Patent number 6,454,022
- Issue date Sep 24, 2002
- Petroleum Geo-Services AS
- Sigbjørn Sangesland
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blow-out prevention device for shutting off an annulus between a dr...
- Patent number 5,404,953
- Issue date Apr 11, 1995
- Norsk Hydro a.s
- Sigbjorn Sangesland
- E21 - EARTH DRILLING MINING
Information Patent Grant
Under-reaming tool for boreholes
- Patent number 5,368,114
- Issue date Nov 29, 1994
- Geir Tandberg
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Determination of Drillstring Parameters and Associated Control
- Publication number 20230151725
- Publication date May 18, 2023
- Norwegian University of Science and Technology
- Sigve Hovda
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Apparatus for a Floating Drill Rig
- Publication number 20180016858
- Publication date Jan 18, 2018
- Heavelock AS
- Ole Morten Aamo
- E21 - EARTH DRILLING MINING
Information Patent Application
Pipe with a canal in the pipe wall
- Publication number 20060289074
- Publication date Dec 28, 2006
- NTNU Technology Transfer AS
- Magnus Eriksson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR