Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |