Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7320067 | Method for reprogramming a field device | Arthur Schrock | 2008-01-15 |
| 6133822 | Transducer supply | Bernd Strütt | 2000-10-17 |
| 5717383 | Device for determining and/or monitoring a predetermined level of contents in a container | Volker Dreyer, Arthur Schrock | 1998-02-10 |
| 5408168 | Device for determining and/or monitoring a predetermined filling level in a container | — | 1995-04-18 |
| 5029268 | Circuit arrangement for self-excitation of a mechanical oscillation system to natural resonant oscillations | — | 1991-07-02 |
| 4594584 | Device for determining and/or monitoring a predetermined filling level in a container | Helmut Pfeiffer, Volker Dreyer | 1986-06-10 |