| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 2 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | Denmark | 1 | |
| #5 | Spain | 1 | |
| #6 | Finland | 1 | |
| #7 | Ireland | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Sweden | 1 | |
| #10 | United States | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnsrud B | 5 |
| #2 | Pran L | 5 |
| #3 | Pran N B | 4 |
| #4 | Pran Leif | 4 |
| #5 | Johnsrud Bjorn | 3 |
| #6 | Pran Nils Beylegaard | 2 |
| #7 | Pran Nils B | 1 |
| #8 | Pran N | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IE40214L | Sea going vessel |