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Chatel Saint-Denis, Switzerland

Allseas Group S.a.

USPTO Granted Patents = 16

CIPO Patents = 9

EPO Patents = 4

Trademarks = 1

Forward Citations = 127

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20 inventors (with patents filed for the assignee):

Maarten Willem Kastelein (3 out of 3 patents)

Gerardus Maria Kramer (3 out of 3 patents)

Klaas Boudewijn Van Gelder (3 out of 3 patents)

4. Jacobus Cornelis Wijsman (2 out of 2 patents)

5. Robert Paul Hovinga (2 out of 3 patents)

6. Albert Ploeg (2 out of 2 patents)

7. Erik Jan Rooduijn (2 out of 2 patents)

8. Johannes John Drost (2 out of 2 patents)

9. Joop Roodenburg (1 out of 216 patents)

10. André Luur Jan Steenhuis (1 out of 3 patents)

11. Jeroen Regelink (1 out of 1 patent)

12. Peter-Paul Maria Kuppers (1 out of 1 patent)

13. Anne Klaas De Groot (1 out of 3 patents)

14. Piet Kalkman (1 out of 3 patents)

15. Arnold Andries Van Den Dool (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 9796036 - Guide device for welding curvilinear pipe surfaces (2017-10-24),

2. 8481882 - Guide device for welding curvilinear pipe surfaces (2013-07-09),

3. 7621697 - Abandonment and recovery system and method, and cable connector (2009-11-24),

4. 6737601 - Method and device for welding together two bodies (2004-05-18),

5. 6715963 - Device and method for laying a pipeline on a seabed (2004-04-06),

6. 6439807 - Method and apparatus for underwater connection of pipe pieces and bolt therefor (2002-08-27),

7. 6390731 - Apparatus for laying a pipeline in deep water (2002-05-21),

8. 6260252 - Method and apparatus for assembling or disassembling an installation present on a seabed (2001-07-17),

9. 6171028 - Device and method for lifting a sea-going structure, for instance a drilling platform (2001-01-09),

10. 6132143 - Method for lifting a sea platform from the substructure (2000-10-17),

11. 5944248 - Apparatus for processing curved surfaces (1999-08-31),

12. 5829919 - Method and installation for removing a superstructure (1998-11-03),

13. 5823712 - Method and installation for laying a pipeline on a surface located under (1998-10-20),

14. 5797702 - Installation for laying a pipeline on a floor located under water, (1998-08-25),

15. 5588780 - Method and installation for laying a pipe-line (1996-12-31),

Allseas Group S.A. is a world-leading contractor in offshore pipeline installation, heavy lift and subsea construction. The company operates a versatile fleet of specialised vessels that can handle all aspects of offshore operations, from surveying and installation to decommissioning. With a focus on innovation and sustainability, Allseas is dedicated to delivering safe, reliable and cost-effective solutions for the offshore industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#1 in Chatel Saint-Denis

#732 in Switzerland

#36,634 in the World

Chatel Saint-Denis, Switzerland

Allseas Group S.a.

Forward Citations = 127

20 inventors:

Maarten Willem Kastelein (3 out of 3 patents)

Gerardus Maria Kramer (3 out of 3 patents)

Klaas Boudewijn Van Gelder (3 out of 3 patents)

4. Jacobus Cornelis Wijsman (2 out of 2 patents)

5. Robert Paul Hovinga (2 out of 3 patents)

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