Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290313 | Electromagnetic flowmeter system | Eggert Appel, Gottfried Geisler, Wilfried Kiene | 1981-09-22 |
| 4281552 | Electromagnetic flowmeter | Wilfried Kiene, Eggert Appel | 1981-08-04 |
| 4236410 | Temperature-compensated electromagnetic flowmeter | Eggert Appel, Gottfried Geisler, Wilfried Kiene | 1980-12-02 |