Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8212431 | Safety switching apparatus | Thomas Nitsche, Boris Kaufmann, Johannes Hopp | 2012-07-03 |
| 7948121 | Safety switching apparatus | Thomas Nitsche, Boris Kaufmann, Johannes Hopp | 2011-05-24 |
| D632694 | Holder for a memory card | Joachim Rink | 2011-02-15 |
| 6809911 | Safety switching device for safely switching off an electrical load | Winfried Graf | 2004-10-26 |
| 6777830 | System for reliable prevention of the restarting of a machine | William Anderson, Donald L. Wires, Jürgen Behrens, Claude Hovine, Gernot Müsseler +2 more | 2004-08-17 |
| 6570272 | Safety switching device for connection and safe disconnection of an electrical load, in particular an electrically driven machine | — | 2003-05-27 |