Forward Citations = 50

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6 inventors (with patents filed for the assignee):

Jan Skjong (2 out of 2 patents)

Karel Karal (1 out of 4 patents)

Rolf Eie (1 out of 1 patent)

4. Kjell Vigander (1 out of 3 patents)

5. Tormod O Dyken (1 out of 1 patent)

6. Knut O Haakonsen (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5224962 - Method and apparatus for submersion and installation of fundament (1993-07-06),

2. 5216773 - Method of formation and installation of a floating bridge (1993-06-08),

3. 5174074 - Assembly for casting large curved shells of reinforced concrete (1992-12-29),

4. 5074715 - Oil storage system (1991-12-24),

5. 4938632 - Tension leg platform and method for installation of the same (1990-07-03),

6. 4909671 - Method for installation of a buoyant body on a sea bottom (1990-03-20),

Company Overview

Norwegian Contractors A/s is a leading EPC contractor in the oil and gas industry, specializing in offshore installations and maintenance. With a strong track record of successful projects, the company is known for its reliability and expertise in complex engineering challenges. Norwegian Contractors A/s is committed to delivering high-quality solutions that meet the needs of its clients while ensuring safety and sustainability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#1 in Stabekk

#282 in Norway

Stabekk, Norway

Norwegian Contractors A/s

Forward Citations = 50

6 inventors:

Jan Skjong (2 out of 2 patents)

Karel Karal (1 out of 4 patents)

Rolf Eie (1 out of 1 patent)

4. Kjell Vigander (1 out of 3 patents)

5. Tormod O Dyken (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Norwegian Contractors A/s. Retrieved from https://idiyas.com/company/norwegian-contractors-a-s

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]