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Leiden, Netherlands

Heerema Marine Contractors Nederland Se

USPTO Granted Patents = 27

CIPO Patents = 4

EPO Patents = 7

Forward Citations = 14

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41 inventors (with patents filed for the assignee):

Gerardus Cornelius Van Grieken (6 out of 8 patents)

Timotheus Johannes Rutten (4 out of 4 patents)

Helen Rose Boyd (3 out of 4 patents)

4. Onno Ludolf De Waard (3 out of 3 patents)

5. Cornelis Van Zandwijk (3 out of 11 patents)

6. Jurgen Albertus De Jong (3 out of 3 patents)

7. Cornelis Benard (2 out of 2 patents)

8. Gerardus Petrus Meskers (2 out of 2 patents)

9. Eduard Wiersema (2 out of 2 patents)

10. Erwan Karyadi (2 out of 2 patents)

11. Maikel Hillenaar (2 out of 4 patents)

12. Lara Elizabeth Wills (1 out of 2 patents)

13. Johannes Christianus Jozef Heemskerk (1 out of 1 patent)

14. Maarten Arie Ripping (1 out of 1 patent)

15. Ernst Frederik Jacobus Van Bruggen (1 out of 1 patent)

27 patents: Sort by Forward Citations

1. 12286957 - Method and device for connecting a blade of a wind turbine to a hub (2025-04-29),

2. 12241218 - Device for pushing four piles into the ground (2025-03-04),

3. 12215004 - Assembly and method for installing a pile into a seabed (2025-02-04),

4. 12018644 - Wind turbine installation method (2024-06-25),

5. 11608608 - Device for pushing four piles into the ground or into a seabed (2023-03-21),

6. 11577938 - Split crane for installation of wind turbines and other tall structures (2023-02-14),

7. 11572866 - System for placing a wind turbine assembly on a support structure (2023-02-07),

8. 10994350 - Jacket leg cutting tool (2021-05-04),

9. 10710845 - Method of handing over a load, and an arrangement to hand over a load (2020-07-14),

10. 10443200 - Lifting device for lifting an upper part of a sea platform (2019-10-15),

11. 10107444 - Method of manufacturing a field joint coating (2018-10-23),

12. 10024015 - Support device configured to be positioned on a lifting vessel in order to lift a topside from its support structure (2018-07-17),

13. 9738354 - Lifting device, vessel and method for removal and/or installation of at least one part of a sea platform (2017-08-22),

14. 9657872 - Pipeline unit (2017-05-23),

15. 9555864 - Damping device for a vessel (2017-01-31),

Heerema Marine Contractors Nederland SE is a world-leading marine contractor in the international offshore oil and gas industry. They specialize in installation, removal, and transportation of offshore facilities. With a fleet of advanced vessels and innovative solutions, Heerema Marine Contractors delivers reliable, safe, and efficient services to their clients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

27 Patents

#6 in Leiden

#261 in Netherlands

#23,290 in the World

Leiden, Netherlands

Heerema Marine Contractors Nederland Se

Forward Citations = 14

41 inventors:

Gerardus Cornelius Van Grieken (6 out of 8 patents)

Timotheus Johannes Rutten (4 out of 4 patents)

Helen Rose Boyd (3 out of 4 patents)

4. Onno Ludolf De Waard (3 out of 3 patents)

5. Cornelis Van Zandwijk (3 out of 11 patents)

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