| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 2 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ehrenskjoeld Nils Oluf | 5 |
| #2 | Ehrenskjoeld Sune | 4 |
| #3 | Olsen Steen Christian | 3 |
| #4 | Olesen Steen Christian | 2 |
| #5 | Ehrenskjold Sune | 1 |
| #6 | Skrydstrup Jack | 1 |
| #7 | Ehrenskjoeld Nils O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK145093D0 | Propeller | |
| DK68893D0 | Propeller | |
| DK71892D0 | Propel with optimal effectiveness for front and rear track | |
| DK179791D0 | Elastomer propeller with flexible elastoms coating | |
| DK179891D0 | Elastomer propeller with flexible leaders | |
| DK172390D0 | propeller hub |