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Trondheim, Norway

Electromagnetic Geoservices As

USPTO Granted Patents = 10

CIPO Patents = 7

EPO Patents = 2

Forward Citations = 133

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20 inventors (with patents filed for the assignee):

Svein Ellingsrud (7 out of 19 patents)

Terje Eidesmo (5 out of 16 patents)

Tor Schaug-Pettersen (4 out of 4 patents)

4. Lasse Amundsen (2 out of 19 patents)

5. Audun Sodal (2 out of 3 patents)

6. Hans Rechsteiner (2 out of 2 patents)

7. Harald Westerdahl (1 out of 22 patents)

8. Fan-nian Kong (1 out of 18 patents)

9. Harald Justnes (1 out of 1 patent)

10. Kare Ingvar Johansen (1 out of 1 patent)

11. Jan-Aage Langeland (1 out of 1 patent)

12. Anders Farestveit (1 out of 1 patent)

13. Sylvia Sandra Pettersen, Legal Representative (1 out of 1 patent)

14. Stale Johansen (1 out of 3 patents)

15. Hans Magne Pedersen (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 8228066 - Instrument for measuring electromagnetic signals (2012-07-24),

2. 8188748 - Electromagnetic surveying (2012-05-29),

3. 8075685 - Controlled deterioration of non-reinforced concrete anchors (2011-12-13),

4. 7919965 - Source arrangement and method for generating electromagnetic wavefields (2011-04-05),

5. 7567084 - Method and apparatus for determining the nature of submarine reservoirs (2009-07-28),

6. 7423432 - System and method for electromagnetic wavefield resolution (2008-09-09),

7. 7319330 - System and method for electromagnetic wavefield resolution (2008-01-15),

8. 7202669 - Method and apparatus for determining the nature of subterranean reservoirs (2007-04-10),

9. 7145341 - Method and apparatus for recovering hydrocarbons from subterranean reservoirs (2006-12-05),

10. 7038456 - Method and apparatus for determining the nature of subterranean reservoirs (2006-05-02),

Electromagnetic Geoservices (EMGS) is a leading provider of electromagnetic surveying services to the oil and gas industry worldwide. With innovative technology and expertise, EMGS helps clients reduce exploration risk and improve drilling success rates. The company's proprietary EM technology provides detailed subsurface imaging of potential hydrocarbon reservoirs, enabling clients to make informed decisions about exploration and development activities.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

10 Patents

#15 in Trondheim

#166 in Norway

#54,207 in the World

Trondheim, Norway

Electromagnetic Geoservices As

Forward Citations = 133

20 inventors:

Svein Ellingsrud (7 out of 19 patents)

Terje Eidesmo (5 out of 16 patents)

Tor Schaug-Pettersen (4 out of 4 patents)

4. Lasse Amundsen (2 out of 19 patents)

5. Audun Sodal (2 out of 3 patents)

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