Top Inventors at Hag Gf Aktiengesellschaft All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Barbel Rathjen | 2 |
| 2 | Graham Love | 2 |
| 3 | Jurgen Schwarz | 2 |
| #4 | Karl Schellhaass | 2 |
| #5 | Manfred Gehrig | 2 |
| #6 | Helmut Sieling | 1 |
| #7 | Jochen Wilkens | 1 |
| #8 | Klaus Koch | 1 |
| #9 | Manfred Barthels | 1 |
| #10 | Otto Vitzthum | 1 |
| #11 | Peter Werkhoff | 1 |
| #12 | Hans Wienges | 1 |
| #13 | Johann Brunssen | 1 |