Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584939 | Surge flushing device for wastewater channels and the like | Jörg-Michael Steinhardt | 2009-09-08 |
| 7523761 | Device for controlling fluid flow from a tank | Thomas Heep, Jörg-Michael Steinhardt | 2009-04-28 |