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For the Inventor, By the Inventor

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Coflexip Stena Offshore Limited


USPTO Granted Patents = 15

Forward Citations = 161

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9 inventors (with patents filed for the assignee):

goldMedal John Duncan Cruickshank (5 out of 5 patents)

silverMedal Robert George Martin (5 out of 6 patents)

bronzeMedal Stephen John Roberts (3 out of 3 patents)

4.  Donald Carmichael (2 out of 2 patents)

5.  Alan Ransom (1 out of 1 patent)

6.  Bruno Seguin (1 out of 1 patent)

7.  Steven R Rowley (1 out of 4 patents)

8.  Graham Parker (1 out of 1 patent)

9.  Philip Vaughn Thomas (1 out of 1 patent)


15 patents:

1. 6848464 - Lined pipe annular venting device (2005-02-01),
2. 6397951 - Marine riser and method of use (2002-06-04),
3. 6352388 - Marine pipelay system (2002-03-05),
4. 6166359 - Induction heating apparatus and method for pipeline welding operations (2000-12-25),
5. 616635 - Induction heating apparatus and method for pipeline welding operations (2000-12-26),
6. 6120212 - Marine pipelaying and handling of rigid pipelines (2000-09-19),
7. 6109829 - Pipeline pigging (2000-08-29),
8. 6089489 - Pipeline storage (2000-07-18),
9. 6082283 - Marine mooring system (2000-07-04),
10. 6061932 - Steerable underwater plow with movable body member (2000-05-16),
11. 6056478 - Pipelaying vessel and a method of converting a maritime vessel to a (2000-05-02),
12. 5988691 - Fluid pipelines (1999-11-23),
13. 5971666 - Pipe laying vessel (1999-10-26),
14. 5947641 - Marine pipelaying (1999-09-07),
15. 5836719 - Pipe laying vessel and method (1998-11-17),
Company Overview
Coflexip Stena Offshore Limited is a prominent player in the offshore oil and gas industry, specializing in subsea engineering and construction services. The company focuses on developing innovative solutions for the installation and maintenance of underwater pipelines and structures, leveraging advanced technologies to enhance operational efficiency. With a strong presence in the global market, Coflexip Stena Offshore Limited is committed to delivering high-quality services that meet the evolving needs of its clients in the energy sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#68 in

#1,184 in United Kingdom

#39,959 in the World

GB
GB

Coflexip Stena Offshore Limited

Forward Citations = 161

9 inventors:

goldMedal John Duncan Cruickshank (5 out of 5 patents)

silverMedal Robert George Martin (5 out of 6 patents)

bronzeMedal Stephen John Roberts (3 out of 3 patents)

4.  Donald Carmichael (2 out of 2 patents)

5.  Alan Ransom (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Coflexip Stena Offshore Limited. Retrieved from https://idiyas.com/company/coflexip-stena-offshore

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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