Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294258 | Device for chemically/physically treating drinking water | Gerhard Walder, Franz Mair | 2007-11-13 |
| 6660167 | Method for precipitating or flocculating substances out of solutions | Gerhard Walder | 2003-12-09 |
| 6593379 | Method for converting a weakly acid ion exchanger material from the H form into the Ca form | Gerhard Walder | 2003-07-15 |
| 6001176 | Method and device for specific formation of nuclei or crystals | Gerhard Walder | 1999-12-14 |