Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger A. Bullivant | Roger Bullivant Of Texas | 3 |
| 2 | Karl Longbottom | — | 2 |
| 3 | David J. Sparrow | ICI | 1 |
| 3 | Alan Meadows | Coal Industry (Patents) Limited | 1 |
| 3 | Timothy J. Bedford | — | 1 |
8 patents · 5 inventors
Ranked #4,224 of 20,767 cities Top 25%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger A. Bullivant | Roger Bullivant Of Texas | 3 |
| 2 | Karl Longbottom | — | 2 |
| 3 | David J. Sparrow | ICI | 1 |
| 3 | Alan Meadows | Coal Industry (Patents) Limited | 1 |
| 3 | Timothy J. Bedford | — | 1 |