Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frohmut Vollhardt | Man Gutehoffnungshutte | 3 |
| 2 | Erwin Cloos | — | 2 |
| 3 | Helmut Kring | — | 1 |
6 patents · 3 inventors
Ranked #3,375 of 15,417 cities Top 25%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frohmut Vollhardt | Man Gutehoffnungshutte | 3 |
| 2 | Erwin Cloos | — | 2 |
| 3 | Helmut Kring | — | 1 |