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Lysaker, Norway

Aker Subsea as

USPTO Granted Patents = 49

% Expired Patents = 22.4

CIPO Patents = 2

EPO Patents = 5

Trademarks = 1

Forward Citations = 252

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65 inventors (with patents filed for the assignee):

Kjell Olav Stinessen (8 out of 14 patents)

Knut Møgedal (7 out of 8 patents)

Johan Larsson (4 out of 20 patents)

4. Geir Inge Olsen (4 out of 9 patents)

5. André M Smith (4 out of 5 patents)

6. Arild Figenschou (4 out of 13 patents)

7. Jarmo Kekarainen (3 out of 3 patents)

8. Sigvard Omvik (3 out of 3 patents)

9. Bengt Dahlborg (3 out of 3 patents)

10. Øystein Møgedal (3 out of 4 patents)

11. Finn Peter Gjerull (3 out of 3 patents)

12. Steingrim Thommesen (2 out of 4 patents)

13. Klas Goran Eriksson (2 out of 5 patents)

14. Kristian Guttulsrud (2 out of 2 patents)

15. Håkon Skofteland (2 out of 4 patents)

Core Competencies:

Sealed Pump

DLC-Coated Gate Valve

Subsea Electric Power Transmission

Leak-Detecting System

Subsea Well Assembly

Control of Subsea Compressors

Subsea Xmas Tree

Riser Clamp

Power Umbilical

BOP Lock Down

Subsea Compressor Module

Connector Assembly

49 patents: Sort by Forward Citations

1. 9863424 - Sealed pump (2018-01-09),

2. 9791051 - DLC-coated gate valve in petroleum production or water injection (2017-10-17),

3. 9728968 - Device for stable subsea electric power transmission to run subsea high speed motors or other subsea loads (2017-08-08),

4. 9650887 - Subsea leak-detecting system (2017-05-16),

5. 9624753 - Subsea valve (2017-04-18),

6. 9601925 - Stable subsea electric power transmission to run subsea high speed motors (2017-03-21),

7. 9566542 - Method and a device for liquid treatment when compressing a well flow (2017-02-14),

8. 9543695 - Pre-tensioned connector (2017-01-10),

9. 9470069 - Subsea well assembly and associated method (2016-10-18),

10. 9464497 - Seal holder and method for sealing a bore (2016-10-11),

11. 9410396 - Gate valve (2016-08-09),

12. 9382921 - Control of subsea compressors (2016-07-05),

13. 9353592 - Subsea Xmas tree assembly and associated method (2016-05-31),

14. 9322225 - Weak link for a riser system (2016-04-26),

15. 9222338 - Tool for a horizontal connecting device (2015-12-29),

Aker Subsea AS, headquartered in Lysaker, Norway, specializes in advanced subsea technologies that enhance the efficiency and safety of offshore oil and gas operations. The company focuses on developing innovative solutions such as subsea electric power transmission systems, leak-detecting systems, and various subsea assemblies including well and Xmas tree assemblies. Aker Subsea is committed to delivering cutting-edge technologies that address the complexities of subsea environments, ensuring reliable performance and operational excellence.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

49 Patents

#3 in Lysaker

#33 in Norway

#14,256 in the World

Lysaker, Norway

Aker Subsea as

Forward Citations = 252

65 inventors:

Kjell Olav Stinessen (8 out of 14 patents)

Knut Møgedal (7 out of 8 patents)

Johan Larsson (4 out of 20 patents)

4. Geir Inge Olsen (4 out of 9 patents)

5. André M Smith (4 out of 5 patents)

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