Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Volker Ernst | Filterwerk Mann & Hummel Gmbh | 4 |
| 2 | Bernhard Mattes | Robert Bosch Gmbh | 2 |
| 2 | Hans Delesky | Beru Ruprecht Gmbh & Co. Kg | 2 |
| 2 | Gunther Knorzer | Mercedes-Benz Group Ag | 2 |
| #5 | Dieter Teutsch | Beru Ruprecht Gmbh & Co. Kg | 1 |
| #5 | John M. Longney | Daimler-Benz Ag | 1 |
| #5 | Ralf Henne | Robert Bosch Gmbh | 1 |
| #5 | Bernard Mattes | Morton International | 1 |
| #5 | Dietwart Guntert | Knecht Filterwerke Gmbh | 1 |
| #5 | Joachim Grünberger | Dr. Ing. H.C. F. Porsche Ag | 1 |
| #5 | Bernd Krauss | Robert Bosch Gmbh | 1 |