Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239048 | Safety switching apparatus for safely disconnecting an electrical load | Richard Veil, Thomas Peter | 2007-07-03 |
| 7130171 | Apparatus for fail-safely disconnecting an electrical load; in particular in industrial production plants | Juergen Pullmann | 2006-10-31 |
| 6825579 | Safety switching apparatus having a first and a second input switch and method of manufacturing the same | Boris Kaufmann | 2004-11-30 |