Johnstad; Svein Erling

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnstad; Svein Erling.The latest application filed is for "electromagnetic and seismic streamer cable and method for using such a streamer cable".

Company Profile

0.8.7

Johnstad; Svein Erling - Bones N/A NO

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electromagnetic and seismic streamer cable and method for using such a streamer cable Grant 9,176,254 - Johnstad November 3, 2	2015-11-03
Method for electromagnetic geophysical surveying of subsea rock formations Grant 8,299,794 - Farrelly , et al. October 30, 2	2012-10-30
Electromagnetic method on shallow water using a controlled source Grant 7,982,465 - Westerdahl , et al. July 19, 2	2011-07-19
Electromagnetic And Seismic Streamer Cable And Method For Using Such A Streamer Cable App 20110158043 - Johnstad; Svein Erling	2011-06-30
Shallow marine electromagnetic hydrocarbon prospecting Grant 7,812,611 - Johnstad , et al. October 12, 2	2010-10-12
Electromagnetic Method on Shallow Water Using a Controlled Source App 20090278541 - Westerdahl; Harald ; et al.	2009-11-12
Shallow marine electromagnetic hydrocarbon prospecting App 20090267608 - Johnstad; Svein Erling ; et al.	2009-10-29
Method for Electromagnetic Geophysical Surveying of Subsea Rock Formations App 20090243617 - Farrelly; Brian Anthony ; et al.	2009-10-01
Method for monitoring low-resistivity formation using polarized waves Grant 7,456,632 - Johnstad , et al. November 25, 2	2008-11-25
Device for monitoring of oil-water interface Grant 7,453,265 - Johnstad , et al. November 18, 2	2008-11-18
Geophysical data acquisition system Grant 7,453,763 - Johnstad November 18, 2	2008-11-18
Device for monitoring of oil-water interface App 20070040557 - Johnstad; Svein Erling ; et al.	2007-02-22
Method for monitoring a high resistivity reservoir rock formation App 20060255809 - Johnstad; Svein Erling ; et al.	2006-11-16
Geophysical data acquisition system App 20060238200 - Johnstad; Svein Erling	2006-10-26

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