Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916003 | Directional-control valve | Peter Graf, Rainer Imhof, Hans-Georg Schubert, Frank Schwab | 2005-07-12 |
| 5140203 | Control motor for a servo-valve | Hans-Georg Schubert | 1992-08-18 |
| 4761575 | Servo-valve and a control motor therefor | Hans-Georg Schubert | 1988-08-02 |