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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#20 in Sandnes
#1,214 in Norway
Virdrill as
Forward Citations = 6
3 inventors:
Virdrill as
EPO Patents = 3
Trademarks = 1
Forward Citations = 6
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3 inventors (with patents filed for the assignee):
Jan Kristian Vasshus (1 out of 13 patents)
Trond Melhus (1 out of 8 patents)
Harald Knutsen (1 out of 1 patent)
4. Trond Melhus (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Virdrill as. Retrieved from https://idiyas.com/company/virdrill-as
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]
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]
3 patents (EPO):
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]