Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6311647 | Method and device for controlling the temperature at the outlet of a steam superheater | Erhard Liebig, Hamid Olia, Wolf-Stephan Wilke, Georg Ziegler | 2001-11-06 |
| 4702306 | Apparatus for controlling a process variable of a flowing medium | — | 1987-10-27 |
| 4447869 | Control circuit with an auxiliary process variable | — | 1984-05-08 |
| 4415966 | Control circuit for a controller and a method of operating the same | — | 1983-11-15 |
| 4408148 | Controller for a lockable servo motor | — | 1983-10-04 |