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Wellstream International Limited

USPTO Granted Patents = 30

EPO Patents = 16

Forward Citations = 271

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29 inventors (with patents filed for the assignee):

Zhimin Tan (7 out of 21 patents)

Dana Fraser (6 out of 8 patents)

George Karabelas (4 out of 13 patents)

4. Tony Eccleston (4 out of 6 patents)

5. Helio Marins David Filho (3 out of 3 patents)

6. Marcio Henriques Albuquerque (3 out of 3 patents)

7. Terence Henry Sheldrake (2 out of 7 patents)

8. Yanqiu Zhang (2 out of 10 patents)

9. Richard Alasdair Clements (2 out of 13 patents)

10. Mark D Kalman (2 out of 23 patents)

11. John Robert Belcher (2 out of 5 patents)

12. Yucheng Hou (1 out of 8 patents)

13. Ole A Grytå (1 out of 2 patents)

14. Tricia Hill (1 out of 1 patent)

15. Laurence James Baldwin (1 out of 1 patent)

30 patents: Sort by Forward Citations

1. 9359829 - Riser assembly and method of providing riser assembly (2016-06-07),

2. 8857521 - Venting gas (2014-10-14),

3. 8702350 - Riser assembly (2014-04-22),

4. 8689423 - Reducing fluid turbulance in a flexible pipe (2014-04-08),

5. 8597451 - Method and assembly for the production of a homogenous composite pipe of unspecified length (2013-12-03),

6. 8459306 - Flexible pipe having pressure armour layer (2013-06-11),

7. 8322382 - Composite pipe having non-bonded internal liner, method and assembly for the production thereof (2012-12-04),

8. 8220129 - Method for securing an end fitting to a flexible pipe body (2012-07-17),

9. 8210775 - Apparatus and method for controlling motion of a bend stiffener (2012-07-03),

10. 8210212 - Thermal insulation of flexible pipes (2012-07-03),

11. 8112863 - Method for securing wires of an armour layer of a flexible pipe body (2012-02-14),

12. 8104797 - Extended collar (2012-01-31),

13. 7963299 - Heat dissipation (2011-06-21),

14. 7946312 - Flexible pipe (2011-05-24),

15. 7640950 - Collapse tolerant flexible pipe and method of manufacturing same (2010-01-05),

Wellstream International Limited is a global leader in the design and manufacture of flexible flowline solutions for the oil and gas industry. With over 50 years of experience, our innovative products provide reliable and cost-effective solutions for offshore projects. We specialize in flexible risers, flowlines, and connectors that are custom-engineered to withstand harsh environments and dynamic conditions. Our commitment to quality and safety has earned us numerous industry accolades. Visit our website to learn more about our expertise, capabilities, and the services we offer.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

30 Patents

#39 in

#582 in United Kingdom

#21,192 in the World

Wellstream International Limited

Forward Citations = 271

29 inventors:

Zhimin Tan (7 out of 21 patents)

Dana Fraser (6 out of 8 patents)

George Karabelas (4 out of 13 patents)

4. Tony Eccleston (4 out of 6 patents)

5. Helio Marins David Filho (3 out of 3 patents)

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