| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Lifting and pushing | |
| #3 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vaarala Harri | 3 |
| #2 | Vaarala H | 2 |
| #3 | Uitto Vesa | 1 |
| #4 | Kaerkkaeinen Veijo | 1 |
| #5 | Vaarala Harri Dipl Ing | 1 |
| #6 | Kaerkkaeinen Matti | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2848457A1 | Operative component with hydraulic piston-cylinder assembly - has rest retention circuit incorporating pump and main control valve with similar valve in series | |
| DE2817263A1 | CONTROL PROCEDURES |