Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank Nijdam | J. Van Walraven Holding B.V. | 4 |
| 1 | Simon Petrus Maria Berkhout | Urban Mining Corp B.V. | 4 |
| 3 | Martijn Van de Poll | — | 1 |
| 3 | Hendrikus Staal | — | 1 |
10 patents · 4 inventors
Ranked #9,762 of 44,107 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank Nijdam | J. Van Walraven Holding B.V. | 4 |
| 1 | Simon Petrus Maria Berkhout | Urban Mining Corp B.V. | 4 |
| 3 | Martijn Van de Poll | — | 1 |
| 3 | Hendrikus Staal | — | 1 |