| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 2 | |
| #4 | China | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Republic of Korea | 2 | |
| #7 | United States | 2 | |
| #8 | Russian Federation | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Containers for goods storage | |
| #4 | Auxiliaries on vessels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gjerde Mathias | 10 |
| #2 | Gjerde Mathias Hogne | 9 |
| Publication | Filing date | Title |
|---|---|---|
| NO341481B1 | Pressure relief valve | |
| WO2016032339A1 | Valve for ventilation of a tank | |
| AU2003231428A1 | Safety valve | |
| AU5256600A | Safety valve |