Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daniel George Purkis | Petrowell Limited | 6 |
| 2 | Andrew John Elrick | Weatherford Technology Holdings | 2 |
8 patents · 2 inventors
Ranked #11,167 of 44,107 cities Top 30%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daniel George Purkis | Petrowell Limited | 6 |
| 2 | Andrew John Elrick | Weatherford Technology Holdings | 2 |