Issued Patents All Time
Showing 76–84 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8682514 | Control network for a rail vehicle | Rainer Falk | 2014-03-25 |
| 8621232 | Method for producing, allocating and checking authorization approvals | Jürgen Gessner | 2013-12-31 |
| 8560844 | Method and transmitting device for securely creating and sending an electronic message and method and receiving device for securely receiving and processing an electronic message | Eric Scheer | 2013-10-15 |
| 8386765 | Method for the encrypted transmission of synchronization messages | Jean Georgiades, Stephan Schüler | 2013-02-26 |
| 8320905 | Method for exchanging data between a mobile telephone and a fixed line telephone | Kai Fischer, Andreas Köpf | 2012-11-27 |
| 8259914 | System and method for a secure log-on to a communications system comprising network connection and connection handling computers | Jens-Uwe Bußer | 2012-09-04 |
| 8195958 | Security module for encrypting a telephone conversation | — | 2012-06-05 |
| 7787441 | Communication system, method for registering a communication relationship and gateway computer | Jens-Uwe Bußer, Markus Bohm, Wolfgang Klasen | 2010-08-31 |
| 7290135 | Method and arrangement for data communication in a cryptographic system containing a plurality of entities | Wolfgang Klasen, Gerald Volkmann | 2007-10-30 |