Per Sparrevik

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Oslo, NO

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Patents Grantslast 30 patents

Information Patent Grant
Seismic sensor recording system
- Patent number 10,386,520
- Issue date Aug 20, 2019
- Statoil Petroleum AS
- Harald Westerdahl
- G01 - MEASURING TESTING
Information Patent Grant
System for subsea diverless metrology and hard-pipe connection of p...
- Patent number 6,700,835
- Issue date Mar 2, 2004
- Den Norske Stats Oljeselskap A.S.
- Nic Ward
- G01 - MEASURING TESTING
Information Patent Grant
Shear wave generator
- Patent number 6,612,397
- Issue date Sep 2, 2003
- Norges Geotekniske Institutt
- Per Sparrevik
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SEISMIC SENSOR RECORDING SYSTEM
- Publication number 20190271790
- Publication date Sep 5, 2019
- STATOIL PETROLEUM AS
- Harald WESTERDAHL
- G01 - MEASURING TESTING
Information Patent Application
SEISMIC SENSOR RECORDING SYSTEM
- Publication number 20170075014
- Publication date Mar 16, 2017
- STATOIL PETROLEUM AS
- Harald WESTERDAHL
- G01 - MEASURING TESTING
Information Patent Application
SHEAR WAVE GENERATOR
- Publication number 20090114473
- Publication date May 7, 2009
- NGI
- Harald Westerdahl
- G01 - MEASURING TESTING
Information Patent Application
Shear wave generator
- Publication number 20020181330
- Publication date Dec 5, 2002
- Per Sparrevik
- G01 - MEASURING TESTING