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For the Inventor, By the Inventor

Lancashire, United Kingdom

First Subsea Limited

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 20.0



Forward Citations = 38

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17 inventors (with patents filed for the assignee):

goldMedal Craig Richard Thomson (3 out of 3 patents)

silverMedal Faisal Yousef (3 out of 30 patents)

bronzeMedal Brian Ellis (2 out of 56 patents)

4.  Paul Anthony Hughes (2 out of 2 patents)

5.  Hong Tri Thoi (2 out of 2 patents)

6.  Craig Currie Weems (2 out of 10 patents)

7.  Anthony John Little (2 out of 2 patents)

8.  Stephen James Bennett (1 out of 1 patent)

9.  Beat Kuttel (1 out of 22 patents)

10.  John Stuart Shaw (1 out of 1 patent)

11.  Beat Küttel (1 out of 11 patents)

12.  Richard Austin Beesley (1 out of 1 patent)

13.  Shaun Hugh Litherland (1 out of 1 patent)

14.  David Stuart Rowley (1 out of 1 patent)

15.  Waverly Johnson, Iii (1 out of 1 patent)


10 patents:

1. 12281689 - Mounting device for an elongate member (2025-04-21),
2. 11362500 - Mounting device for an elongate flexible member (2022-06-14),
3. 10164418 - Mounting device for an elongate flexible member (2018-12-25),
4. 9903168 - Tubular handling methods (2018-02-27),
5. 9441424 - Bend stiffener assembly (2016-09-13),
6. 8939214 - Riser connector (2015-01-27),
7. 8782856 - Rope termination (2014-07-22),
8. 8720542 - Tubular handling device (2014-05-13),
9. 8720541 - Tubular handling device and methods (2014-05-13),
10. 8567335 - Deployment and retrieval of floatable objects (2013-10-29),
Company Overview
First Subsea Limited, based in Lancashire, specializes in innovative subsea technology solutions for the oil and gas industry. The company focuses on the development and manufacturing of advanced subsea connectors and buoyancy systems, enhancing the efficiency and safety of underwater operations. With a commitment to engineering excellence, First Subsea plays a crucial role in supporting offshore projects globally, leveraging its expertise to address the challenges of deep-water environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#6 in Lancashire

#1,732 in United Kingdom

#56,092 in the World

Lancashire, GB
Lancashire, United Kingdom

First Subsea Limited

Forward Citations = 38

17 inventors:

goldMedal Craig Richard Thomson (3 out of 3 patents)

silverMedal Faisal Yousef (3 out of 30 patents)

bronzeMedal Brian Ellis (2 out of 56 patents)

4.  Paul Anthony Hughes (2 out of 2 patents)

5.  Hong Tri Thoi (2 out of 2 patents)

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

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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