| 9166801 |
Intrinsically safe connection unit with a network interface, intrinsically safe appliance and network interface for it |
Helmut Hermann, Karsten Schwinne, Johannes Wesselmann |
2015-10-20 |
| 8885358 |
Plug-in module for controllers of mobile working machines |
Peter Herkenrath, Henner Ruschkamp, Johannes Wesselmann |
2014-11-11 |
| 8804855 |
Network infrastructure for mobile machines which can be used in areas at risk of explosion |
Henner Ruschkamp, Karsten Schwinne, Johannes Wesselmann |
2014-08-12 |
| 7643262 |
Protection circuit for intrinsically safe electro-magnetic actuators and a protection circuit for intrinsically safe energy supply systems |
Jens Titschert, Jeff Travis, Dan Ferguson |
2010-01-05 |
| 7431401 |
Slide shoe for mining winning machine |
Johannes Weβelmann, Sebastian Mundry, Gerhard Merten, Martin Broszat |
2008-10-07 |
