Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241211 | Plate valve | Heinz Frey, Franz Suter | 2001-06-05 |
| 5467683 | Actuating drive for a control valve | Heinz Frey, Franz Suter | 1995-11-21 |
| 5435227 | Operating mechanism for a hydraulic actuator having a pressure-proportional actuating signal | Heinz Frey, Franz Suter | 1995-07-25 |
| 5280807 | Supply circuit for a two-tube hydraulic system | Heinz Frey | 1994-01-25 |
| 5193779 | Actuating drive | Heinz Frey | 1993-03-16 |
| 5137253 | Actuator | Heinz Frey | 1992-08-11 |
| 5070766 | Hydraulic valve actuator | Heinz Frey | 1991-12-10 |
| 4812602 | Spring-loaded centrifugal switch element | Rico Plangger | 1989-03-14 |
| 4802403 | Return mechanism of an actuating drive | Heinrich Lageder, Jaroslav Masek | 1989-02-07 |
| 4801216 | Device for generating a prestress when two connection parts are coupled rigidly | Heinrich Lageder, Jaroslav Masek | 1989-01-31 |
| 4774876 | Sprung suspension of an actuating piston | Heinrich Lageder | 1988-10-04 |
| 4227441 | Hydraulic servo-motor for a regulating valve having a hydraulic closing mechanism | Franz Suter | 1980-10-14 |