Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Christian Frankholz | Friedrich Grohe Ag | 2 |
| 2 | Martin Futterer | Mesacon Gesellschaft Fur Messtechnik Mbh | 1 |
| 2 | Hans-Werner Schulte | Fried Krupp Ag Hoesch-Krupp | 1 |
| 2 | Karlheinz Piel | Fried Krupp Ag Hoesch-Krupp | 1 |
| 2 | Roland Schnettler | Unknown | 1 |
| 2 | Lothar Ginzel | Dorma Gmbh + Co. Kg | 1 |