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CIPO Patents = 3

Forward Citations = 352

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7 inventors (with patents filed for the assignee):

Per A Vatne (6 out of 18 patents)

Per Slettedal (2 out of 4 patents)

Bjarne E Skeie (2 out of 2 patents)

4. Terje Egeland (1 out of 1 patent)

5. Erik Zachariassen (1 out of 1 patent)

6. Marek Sokalski (1 out of 1 patent)

7. Erling Tambs (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 6860694 - Horizontal pipe handling device (2005-03-01),

2. 6589343 - Device for application of dope on male threads (2003-07-08),

3. 6202274 - Arrangement for fastening a piston-cylinder arrangement and method for replacing sealings therein (2001-03-20),

4. 6148922 - Slip joint (2000-11-21),

5. 6095501 - Stretch compensation in a hoisting system for a derrick (2000-08-01),

6. 6094910 - Apparatus and method for raising and lowering a piston in a piston (2000-08-01),

7. 6032929 - Arrangement in connection with a yoke in a hoisting system for a derrick (2000-03-07),

8. 5709285 - Brake for a hoisting apparatus (1998-01-20),

9. 4979356 - Torque wrench (1990-12-25),

10. 4822230 - Pipe handling apparatus (1989-04-18),

11. 4791999 - Well drilling apparatus (1988-12-20),

12. 4593773 - Well drilling assembly (1986-06-10),

13. 4582133 - Pipe handling assembly (1986-04-15),

Maritime Hydraulics AS is a leading provider of hydraulic solutions for the maritime industry. With over 35 years of experience, we specialize in the design, manufacture, and installation of hydraulic systems for ships, offshore vessels, and other marine applications. Our team of experts delivers innovative and reliable solutions to meet the unique needs of our clients. Visit our website to learn more about our capabilities and services.

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USPTO Data Jan 1 1976 - Dec 16 2025

13 Patents

#1 in Kristiansand

#120 in Norway

#43,635 in the World

Kristiansand, Norway

Maritime Hydraulics As