Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11038468 | Circuit arrangement for generating a supply voltage with controllable ground potential level | Ulrich Lehmann, Wilhelm Griesbaum | 2021-06-15 |
| 8150649 | Method for operating an automation system | Thomas Borger, Ulrich Lehmann, Robert Schwab, Hans-Günther Sieberling, Raimund Trockel | 2012-04-03 |
| 7512727 | Redundant control system having a peripheral unit for an automation device | Ulrich Lehmann, Robert Schwab | 2009-03-31 |