| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 2 | |
| #2 | Finland | 2 | |
| #3 | Sweden | 2 | |
| #4 | United States | 2 | |
| #5 | Canada | 1 | |
| #6 | Spain | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Mechanical control devices | |
| #4 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zettergren Ted | 8 |
| #2 | Zettergren T | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US4605042A | Pilot oil supply arrangement | |
| EP0145684A2 | A levercontrol assembly |