Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11774950 | Method for the encrypted communication in a process plant, process plant, field device and control electronics | Leon Urbas | 2023-10-03 | |
| 10502341 | Optical microphone to diagnose actuators | Gerhard Widl, Stefan Unland, Uwe Schwab | 2019-12-10 | |
| 6892942 | Roadside control device for a toll apparatus installed in a motor vehicle | Ronald Barker | 2005-05-17 | $71,745,000 |
| 6816707 | Debiting device for deducting tolls | Ronald Barker, Günther Weber, Bernd Grün | 2004-11-09 | $108,737,000 |
| 6141609 | Device for recording information on a vehicle's itinerary | Wolfgang Herdeg | 2000-10-31 | |
| 6081388 | Opto-electronic imaging system for industrial applications | — | 2000-06-27 | |
| 5721678 | Arrangement for a use billing system | — | 1998-02-24 |