Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909681 | Diaphragm actuator for a control valve | Michael Siegert, Janusz Koinke | 2018-03-06 |
| 9033308 | Control device with improved stem connector and display | Joerg Kiesbauer, Holger Eckholz, Dirk Hoffmann | 2015-05-19 |
| 8505578 | Actuator for controlling a fluid flow | — | 2013-08-13 |
| 8292264 | Flow adjustment apparatus and method for limiting the travel of an actuating rod of an actuator of the flow adjustment apparatus | Heinfried Hoffmann, Joerg Kiesbauer | 2012-10-23 |
| 7618045 | Sealing arrangement | Hoffmann Heinfried | 2009-11-17 |
| 5937730 | Pneumatically operable drive unit with a temperature dependent irreversibly releasable lock joint | Walter Schneider, Klaus Hoerschken | 1999-08-17 |