Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Juan Belart | — | 4 |
| 2 | Richard Pohl | Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann | 2 |
| 2 | Jurgen Braus | Kolbenschmidt | 2 |
| #4 | Friedrich Gutmann | Joh A. Benckiser, Gmbh | 1 |
| #4 | Michael Schatzle | Teroson Gmbh | 1 |