Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9874729 | Compact achromatic and passive optically-only athermalized telephoto lens | — | 2018-01-23 |
| 9279846 | Fault identification and location in a power supply line which is fed from one side | Markus Spangler | 2016-03-08 |
| 9146383 | Super wide angle lens arrangement for infrared applications | — | 2015-09-29 |
| 6518768 | Arrangement, method, and current measurement device for measuring a current in a conductor | Luc Philippot | 2003-02-11 |
| 5808844 | Current differential protection arrangement | Ludwig Schiel, Steffen Noack | 1998-09-15 |
| 5502340 | Measuring process for obtaining a switching command in a rapid changeover device | — | 1996-03-26 |