Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234681 | Solenoid valve | Ralf Hiddessen, Roy Diers, Werner Leuschner | 2007-06-26 |
| 6700232 | Solenoid valve having a clapper armature with yoke pins at the end, remote from the sealing element | Frank Rieck, Robert Bast, Carsten Fritz, Holger Wagner, Ralf Hiddessen | 2004-03-02 |
| 6257548 | Valve construction | Ralf Hiddessen, Horst Grove, Frank Rieck | 2001-07-10 |