Forward Citations = 16

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3 inventors (with patents filed for the assignee):

Olav Olsen (2 out of 6 patents)

Jon Hermstad (1 out of 3 patents)

Karel Karal (1 out of 4 patents)

3 patents: Sort by Forward Citations

1. 5215410 - Method and means for controlled submersion and positioning of large, (1993-06-01),

2. 4749309 - Offshore platform structure of reinforced concrete and a method of (1988-06-07),

3. 4674919 - Off-shore platform structure (1987-06-23),

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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#2 in Stabekk

#526 in Norway

Stabekk, Norway

Norwegian Contractors

Forward Citations = 16

3 inventors:

Olav Olsen (2 out of 6 patents)

Jon Hermstad (1 out of 3 patents)

Karel Karal (1 out of 4 patents)

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

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]