| 9690277 |
Positioner |
— |
2017-06-27 |
| 9212671 |
Pneumatic actuator and method for operating the pneumatic actuator |
— |
2015-12-15 |
| 8576086 |
Limit signal indicator and method for operating a limit signal indicator |
Fausto Crespo Vidal, Karl-Bernd Schaertner, Dirk Klee |
2013-11-05 |
| 8000816 |
Process control system and method for operating a system of this type |
Raiko Milanovic, Rolf Merte, Armin Gasch, Andreas Stelter, Wolfgang Lasarzik |
2011-08-16 |
| 7862003 |
Position controller |
Joerg Kiesbauer |
2011-01-04 |
| 7694936 |
Method and device for function-monitoring an actuator |
Heinfried Hoffmann, Jorg Kiesbauer, Mario Menze, Ulrich Schulz |
2010-04-13 |
| 7621170 |
Method and system for function testing a valve |
Heinfried Hoffmann, Joerg Kiesbauer |
2009-11-24 |
| 7451644 |
Method for verifying the performance of a test of the functionality of a safety valve |
— |
2008-11-18 |
| 6763703 |
Method and device for determining leaks at the seal of a valve |
Juergen Krieger, Andreas Elting |
2004-07-20 |
| 6674363 |
System for physical location of field devices in process plants |
Juergen Bartelheim |
2004-01-06 |
| 5742161 |
Method and device for detecting displacement of valve rod movement in an electropneumatic position regulator with at least one proximity sensor |
— |
1998-04-21 |
| 5651385 |
Servo drive operated by a pressure medium |
— |
1997-07-29 |
| 5644948 |
Control valve with a drive operated by a pressure medium and a position controller |
Heiko Kresse, Alexander Kleist, Wolfgang Backe |
1997-07-08 |