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For the Inventor, By the Inventor

Sutton, United Kingdom

Subsea 7 Limited


USPTO Granted Patents = 82

% Expired Patents = 14.6



Trademarks = 8

Forward Citations = 171

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103 inventors (with patents filed for the assignee):

goldMedal James Andrew Jamieson (9 out of 9 patents)

silverMedal Philippe Benoit Jacques Hoffmann (7 out of 10 patents)

bronzeMedal Sylvain Popineau (7 out of 8 patents)

4.  Julek Romuald Tomas (7 out of 7 patents)

5.  Nicolas Monfort-Moros (6 out of 6 patents)

6.  Mike Gordon (5 out of 6 patents)

7.  Arnbjorn Joensen (5 out of 6 patents)

8.  Mick Fowkes (4 out of 4 patents)

9.  Lee Wilson (4 out of 6 patents)

10.  John Arthur Mair (4 out of 4 patents)

11.  Lee Karl Rolf (4 out of 4 patents)

12.  Henry William Himsworth (4 out of 4 patents)

13.  Lukasz Sobczak (4 out of 4 patents)

14.  Ian Adamson (3 out of 3 patents)

15.  Stewart John Sinclair Munro (3 out of 3 patents)


Core Competencies:
Pipelaying
Unmanned Underwater Vehicles
Corrosion-Resistant Flowlines
Subsea Installations
Fluid Conduits
Welding Techniques
Inspection Methods
Hybrid Pipelines
Field Joints
Riser Configuration
Load Absorbers
Tensioning Systems

82 patents:

1. 12698759 - Mounting equipment on wind turbine structures (2026-08-04),
2. 12654810 - Pulling structures into water (2026-06-16),
3. 12571489 - Spooling and installing trace-heated pipelines of pipe-in-pipe configuration (2026-03-10),
4. 12560270 - Mitigation of buckling in subsea pipe-in-pipe systems (2026-02-24),
5. 12508638 - Method of making a fluid conduit (2025-12-30),
6. 12365430 - Deployment of unmanned underwater vehicles (2025-07-22),
7. 12123521 - Subsea installations comprising corrosion-resistant flowlines (2024-10-22),
8. 12111008 - Electrofusion fittings for lined pipes (2024-10-08),
9. 12097653 - Securing polymer liners within pipes (2024-09-24),
10. 12055257 - Subsea infrastructure and method of decommissioning subsea infrastructure (2024-08-06),
11. 12025242 - Sliding subsea foundations (2024-07-02),
12. 11884368 - Launching elongate subsea structures (2024-01-30),
13. 11739863 - Bundle section of a pipe bundle for subsea installation (2023-08-29),
14. 11692662 - Electrofusion fittings for lined pipes (2023-07-04),
15. 11598156 - Installing subsea risers (2023-03-07),
Company Overview
Subsea 7 Limited is a prominent player in the field of subsea engineering, specializing in the development and implementation of advanced technologies for offshore projects. The company focuses on pipelaying, corrosion-resistant flowlines, and subsea installations, leveraging expertise in welding techniques and inspection methods. With a commitment to innovation, Subsea 7 also explores the integration of unmanned underwater vehicles and hybrid pipelines, contributing to the efficiency and sustainability of subsea operations across global markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Subsea 7 Limited USPTO Patent Assignee Logo
82 Patents

#1 in Sutton

#227 in United Kingdom

#9,254 in the World

Sutton, GB
Sutton, United Kingdom

Subsea 7 Limited

Forward Citations = 171

103 inventors:

goldMedal James Andrew Jamieson (9 out of 9 patents)

silverMedal Philippe Benoit Jacques Hoffmann (7 out of 10 patents)

bronzeMedal Sylvain Popineau (7 out of 8 patents)

4.  Julek Romuald Tomas (7 out of 7 patents)

5.  Nicolas Monfort-Moros (6 out of 6 patents)

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

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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