Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029436 | System and method for measuring soil electrical conductivity | — | 2021-06-08 |
| 8305088 | Process and device for differentiating objects influencing an electromagnetic alternating field, in particular metal objects | Bernhard Kohla, Bernd Graze | 2012-11-06 |
| 7737683 | Process and device for electromagnetically based detection of field-influencing parts in a material flow | Bernd Graze, Bernhard Kohla | 2010-06-15 |
| 5760706 | Remote control system using partially earth-buried RF antenna | — | 1998-06-02 |
| 5376922 | Wireless bistatic link intrusion detection system | — | 1994-12-27 |
| 5160915 | Wireless bistatic link intrusion detection system | — | 1992-11-03 |
| 4853674 | Signalling apparatus for hearing impaired persons | — | 1989-08-01 |