Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996399 | Method of using a test liquid for checking the efficiency of electrical power station components | Christian Leder, Rainer Wulff, Luder Warnken | 1999-12-07 |
| 5773982 | Process for checking the efficiency of an electric power station component | Eckehard Wolf, Luder Warnken, Hartmut Schulz, Willi Siegler, Anton Knapp +1 more | 1998-06-30 |