| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 1 | |
| #2 | China | 1 | |
| #3 | German Democratic Republic | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | India | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Norway | 1 | |
| #10 | Poland | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hildre Hans Petter | 5 |
| #2 | Hildre Hans P | 4 |
| #3 | Hans Petter Hildre | 1 |
| #4 | Hans Peter Hildre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI892096A0 | Hydraulic actuator |