Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Alfons Spies | Dr. Johannes Heidenhain Gmbh | 19 |
| 2 | Stefan Ingrisch | Skw Bauchemie Gmbh | 8 |
| 3 | Alfons Smeets | Basf Se | 4 |
| #4 | Armin Kroning | Siemens Aktiengesellschaft | 2 |
| #4 | Heinz H. Bildner | — | 2 |
| #6 | Dieterich Andernach | Dr. Johannes Heidenhain Gmbh | 1 |
| #6 | Ingrisch Stefan | Construction Research & Technology Gmbh | 1 |