Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11510045 | Initiation and/or routing of an emergency session in a packet switched communication system | Martin Buechter, Reinhard Lauster | 2022-11-22 |
| 9136935 | Cellular wide-area radio communication system with relay-enhanced cells | Bernhard Walke | 2015-09-15 |
| 8886242 | Push-to-talk interworking | Stephan Blicker, Matthias Britsch | 2014-11-11 |
| 8594561 | Cellular wide-area radio communications system with relay-enhanced cells | Bernhard Walke | 2013-11-26 |
| 8588760 | Push-to-talk PSTN back-to-back user agent for connecting a PTT system to the PSTN/ISDN world | — | 2013-11-19 |
| 8229351 | Cellular wide-area radio communications system with relay-enhanced cells | Bernhard Walke | 2012-07-24 |
| 7095722 | Method for the operation of wireless base stations for packet transfer radio systems having a guaranteed service quality | Bernhard Walke | 2006-08-22 |