Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stuart Engel | Sanuvox Technologies | 5 |
| 2 | Charles Wilfred Kingston | — | 4 |
| 3 | Frederick W. Kruppert | — | 3 |
| #4 | Friedrich W. Kruppert | Algoma Steel | 1 |
| #4 | Sharon L. Robertson | — | 1 |
| #4 | Fred I. Mau | — | 1 |
15 patents · 6 inventors
Ranked #44,592 of 111,555 cities Top 40%
Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stuart Engel | Sanuvox Technologies | 5 |
| 2 | Charles Wilfred Kingston | — | 4 |
| 3 | Frederick W. Kruppert | — | 3 |
| #4 | Friedrich W. Kruppert | Algoma Steel | 1 |
| #4 | Sharon L. Robertson | — | 1 |
| #4 | Fred I. Mau | — | 1 |