Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8806970 | Sealing device for a device for measuring the fill level in a fluid container | Yubo Liu, Wilfried Harfst, Wolfgang Vogt | 2014-08-19 |
| 8739621 | Electrical heating element and method of measuring a filling level | Wolfgang Vogt, Stefan Pfleger, Wilfried Harfst | 2014-06-03 |
| 7926345 | Apparatus for measuring a filling level | Wolfgang Vogt, Wilfried Harfst | 2011-04-19 |