Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Karl Krutzner | Krupp Polysius Ag | 2 |
| 2 | Hans Bilawa | Krupp Polysius Ag | 1 |
| 2 | Richard Birkenfeld | Mollers Maschinenfabrik Gmbh | 1 |
| 2 | Ernst W. Hanke | Unknown | 1 |
| 2 | Bruno Stenemann | Gerd Und Bernd Vieler Kg | 1 |
| 2 | Karl Menzel | Krupp Polysius Ag | 1 |