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CIPO Patents = 2

EPO Patents = 1

Forward Citations = 229

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6 inventors (with patents filed for the assignee):

Borre Fossli (6 out of 10 patents)

Sigbjorn Sangesland (2 out of 2 patents)

Børre Fossli (1 out of 3 patents)

4. Paul Anthony Potter (1 out of 1 patent)

5. Svein Gleditsch (1 out of 2 patents)

6. Harald Moksvold (1 out of 2 patents)

7. Sigbjørn Sangesland (0 patent)

8. Boerre Fossli (0 patent)

10 patents: Sort by Forward Citations

1. 9062498 - Riserless, pollutionless drilling system (2015-06-23),

2. 8978774 - System and method for drilling a subsea well (2015-03-17),

3. 8640778 - Systems and methods for subsea drilling (2014-02-04),

4. 8573307 - High pressure sleeve for dual bore HP riser (2013-11-05),

5. 8322439 - Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells (2012-12-04),

6. 7950463 - Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths (2011-05-31),

7. 7513310 - Method and arrangement for performing drilling operations (2009-04-07),

8. 7497266 - Arrangement and method for controlling and regulating bottom hole pressure when drilling deepwater offshore wells (2009-03-03),

9. 7367410 - Method and device for liner system (2008-05-06),

10. 7264058 - Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells (2007-09-04),

Ocean Riser Systems is a leading provider of innovative riser system solutions for offshore drilling operations. With decades of experience in the industry, we specialize in designing and manufacturing reliable and efficient riser systems that meet the highest standards of quality and safety. Our commitment to excellence and customer satisfaction sets us apart in the market. Visit our website to learn more about our services and products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

10 Patents

#52 in Oslo

#165 in Norway

#54,268 in the World

Oslo, Norway

Ocean Riser Systems As