Other support activities for petroleum and natural gas extraction
KVENNA AS
Revenue 2024
NOK 102.8m
Operating profit
NOK 11.3m
Equity
NOK 33.3m
Incorporated
1983
Employees
44
Share capital
NOK 1.9m
Patenter (3)
| Title | Application no. | Patent no. | Status | Status date | Expires |
|---|---|---|---|---|---|
| A vent hatch device | 20180386 | 344900 | Patent opphørt | 2021-03-31 | 2038-03-19 |
| A metal-to-metal stem seal system | 20181342 | 344443 | Meddelt | 2019-12-09 | 2038-10-19 |
| Tallerkenventil | 20140592 | 337385 | Meddelt | 2016-04-04 | 2034-05-08 |
Source: Patentstyret
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.