Top Inventors at Hygrama Ag All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Herbert Frisch | 4 |
| 2 | Günther Strasser | 3 |
| 3 | Volker Drittel | 3 |
| #4 | Erich Dörfler | 2 |
| #5 | Erhard Fritz | 2 |
| #6 | Josef Vollmer | 2 |
| #7 | Peter Rohatschek | 2 |
| #8 | Alfredo Hellemann | 2 |
| #9 | Bernhard Russ | 1 |
| #10 | Bo Granbom | 1 |
| #11 | Gunnar Lundqvist | 1 |
| #12 | Hannes Wirtl | 1 |
| #13 | Harald Wohlfahrt | 1 |
| #14 | Herbert Kuhnelt | 1 |
| #15 | Jochen Schaible | 1 |
| #16 | Johannes Wirtl | 1 |
| #17 | Peter Leonhardt | 1 |
| #18 | Rainer Teltscher | 1 |
| #19 | Roland Zengerle | 1 |