| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Measuring distances | |
| #3 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hedstroem Hans | 9 |
| #2 | Hedstrom Hans | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2013172767A1 | Propeller arrangement and sailing boat comprising such a propeller arrangement | |
| WO03106924A1 | A device for measuring the profile of a roadway | |
| US7241241B2 | Device for setting a direction |