Top Inventors at Gebr. Isringhausen All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans-Peter Mischer | 4 |
| 2 | Helge Pietsch | 4 |
| 3 | Christian Suss | 3 |
| #4 | Gerd Grass | 3 |
| #5 | Jorg Hettich | 3 |
| #6 | Manfred Granzow | 3 |
| #7 | Manfred Rink | 1 |
| #8 | Hans-Peter Misher | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans-Peter Mischer | 4 |
| 2 | Helge Pietsch | 4 |
| 3 | Christian Suss | 3 |
| #4 | Gerd Grass | 3 |
| #5 | Jorg Hettich | 3 |
| #6 | Manfred Granzow | 3 |
| #7 | Manfred Rink | 1 |
| #8 | Hans-Peter Misher | 1 |