Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jonathan Edward Manly | Southco | 6 |
| 2 | Paul A. Gillam | Valor Heating Limited | 5 |
| 3 | Barrington Hares | Bsr Co. | 3 |
| #4 | John G. Butcher | Usm Holding Ag | 2 |
| #5 | Michael Simon Toon | — | 1 |
| #5 | Donald Humpherson | Imi Kynoch Limited | 1 |
| #5 | Kennedy M. O'Brien | — | 1 |