Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465353 | Wall element and assembly for holding back water | Winfried Vogel | 2019-11-05 |
| 8029665 | Wastewater screening device | — | 2011-10-04 |
| 8029666 | Wastewater screening device | — | 2011-10-04 |
| 8021544 | Wastewater screening device | — | 2011-09-20 |
| 7584939 | Surge flushing device for wastewater channels and the like | Oliver Stiehl | 2009-09-08 |
| 7523761 | Device for controlling fluid flow from a tank | Oliver Stiehl, Thomas Heep | 2009-04-28 |
| 6076547 | Device for operating a mechanism of a rinsing fixture | Lothar Steinhardt | 2000-06-20 |
| 5857472 | Device for rinsing a fluid-storage space | Lothar Steinhardt | 1999-01-12 |