Bronnteknologiutvikling as

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 90

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6 inventors (with patents filed for the assignee):

Espen Hiorth (3 out of 34 patents)

Frode Andersen (2 out of 3 patents)

Asbjörn Nervik (1 out of 1 patent)

4. Thomas Gunnarshaug (1 out of 1 patent)

5. Dag Ravn Pedersen (1 out of 1 patent)

6. Epen Hiorth (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7416770 - Reinforcement ring (2008-08-26),

2. 7290603 - Downhole plug (2007-11-06),

3. 7178602 - Method and device related to a retrievable well plug (2007-02-20),

4. 6142227 - Expandable retrievable bridge plug (2000-11-07),

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USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#27 in Trondheim

#413 in Norway

Trondheim, Norway

Bronnteknologiutvikling as

Forward Citations = 90

6 inventors:

Espen Hiorth (3 out of 34 patents)

Frode Andersen (2 out of 3 patents)

Asbjörn Nervik (1 out of 1 patent)

4. Thomas Gunnarshaug (1 out of 1 patent)

5. Dag Ravn Pedersen (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bronnteknologiutvikling as. Retrieved from https://idiyas.com/company/bronnteknologiutvikling-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]