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For the Inventor, By the Inventor

Stavanger, Norway

Subsea 7 Norway as

Calculating rank
USPTO Granted Patents = 38

% Expired Patents = 2.6



Forward Citations = 18

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45 inventors (with patents filed for the assignee):

goldMedal Sigbjorn Daasvatn (11 out of 11 patents)

silverMedal Christian Linde Olsen (6 out of 6 patents)

bronzeMedal Ratnam Sathananthan (4 out of 5 patents)

4.  Oivind Stangeland (3 out of 3 patents)

5.  Rasmus Asp Juhlin (3 out of 4 patents)

6.  Morten Saeterdal (3 out of 3 patents)

7.  Ernst Kristen Helgoy Kloster (3 out of 3 patents)

8.  Eskil Hoyvik (3 out of 3 patents)

9.  Torstein Meling (2 out of 2 patents)

10.  Karl Erik Suphellen (2 out of 2 patents)

11.  James Arkley Pollock (2 out of 2 patents)

12.  Rasmus Haneferd (2 out of 2 patents)

13.  Robert Archer (1 out of 1 patent)

14.  Marijana Tomas (1 out of 1 patent)

15.  Terje Berg Jacobsen (1 out of 1 patent)


Core Competencies:
Suction Piles
Offshore Power Generation
Subsea Pipelines
Fluid Storage
Hydrocarbon Processing
Seawater Sanitisation
Subsea Foundations
Pipeline Pigs
Energy Storage
Flexible Risers
Position Control
Heavy Structures

38 patents:

1. 12655599 - Marine foundations comprising suction piles (2026-06-16),
2. 12479536 - Generation of electrical power offshore (2025-11-25),
3. 12398827 - Mitigation of buckling in subsea pipelines (2025-08-26),
4. 12378098 - Lifting systems for subsea pipelines and methods for installing lifting systems (2025-08-05),
5. 12276365 - Launching pipeline pigs (2025-04-14),
6. 12116747 - Subsea foundations (2024-10-15),
7. 12066135 - Heating of subsea pipelines (2024-08-20),
8. 12031402 - Improving access into subsea structures (2024-07-09),
9. 11987443 - Subsea fluid storage unit (2024-05-21),
10. 11891241 - Subsea fluid storage unit (2024-02-06),
11. 11781402 - Integrated towhead and fluid processing system (2023-10-10),
12. 11725620 - Underwater hydroelectric power generation system including a pelton turbine and perforated tubular penstocks (2023-08-15),
13. 11624470 - Diverting pigs in a pipeline or piping system (2023-04-11),
14. 11598193 - Subsea processing of crude oil (2023-03-07),
15. 11585064 - Hollow subsea foundations (2023-02-21),
Company Overview
Subsea 7 Norway AS is a prominent player in the offshore energy sector, specializing in the engineering, construction, and installation of subsea infrastructure. The company focuses on delivering innovative solutions for oil and gas projects, with expertise in subsea pipelines, umbilicals, and associated technologies. Headquartered in Stavanger, Norway, Subsea 7 operates globally, leveraging advanced technologies to enhance efficiency and sustainability in underwater operations, contributing significantly to the energy transition and the development of renewable energy sources.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

Subsea 7 Norway as USPTO Patent Assignee Logo
38 Patents

#8 in Stavanger

#46 in Norway

#17,876 in the World

Stavanger, NO
Stavanger, Norway

Subsea 7 Norway as

Forward Citations = 18

45 inventors:

goldMedal Sigbjorn Daasvatn (11 out of 11 patents)

silverMedal Christian Linde Olsen (6 out of 6 patents)

bronzeMedal Ratnam Sathananthan (4 out of 5 patents)

4.  Oivind Stangeland (3 out of 3 patents)

5.  Rasmus Asp Juhlin (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Subsea 7 Norway as. Retrieved from https://idiyas.com/company/subsea-7-norway-as

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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