Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8977928 | Apparatus and method for receiving a secure telegram | Markus Premke | 2015-03-10 |
| 8933762 | Absorber unit for a bus system | Stefan Wiesgickl | 2015-01-13 |
| 8242901 | ASI network for explosion-hazard areas | Klaus Indefrey, Maximilian Korff, Andreas Schiff | 2012-08-14 |
| 8230146 | Communication method and master-slave system for a field bus configured according to the AS-interface standard | — | 2012-07-24 |
| 7786398 | Command switch, in particular an emergency stop switch | Werner Olbrich, Michael Schiffmann | 2010-08-31 |
| 7039947 | Error protected data transfer system and method | Klaus Indefrey, Werner Kramer | 2006-05-02 |
| 6851067 | Current driven serial bus system having an energy saving mode | Klaus Indefrey | 2005-02-01 |
| 6285096 | Safety switch arrangement | Bernhard Muller, Michael Schiffmann | 2001-09-04 |
| 5239283 | Circuit arrangement for compensating for the influence of temperature on coil quality | — | 1993-08-24 |
| 4667147 | Inductive proximity switch | — | 1987-05-19 |