Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8321774 | Method for fail-safe transmission, safety switching device and control unit | Herbert Barthel | 2012-11-27 |
| 7337369 | Microprocessor-controlled field device for connection to a field bus system | Herbert Barthel | 2008-02-26 |
| 7114155 | Programmable controller | Volker Wendel | 2006-09-26 |
| 6263487 | Programmable controller | Volker Wendel | 2001-07-17 |