Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jonathan Bruce Wortmann | Pridefield Limited | 13 |
| 2 | Hylton R. Walker | — | 2 |
| 2 | Kevin Treffry-Goatley | Water Research Commission | 2 |
| #4 | Walter F. Philipponi | — | 1 |
| #4 | William Lawrence Oosthuyzen | Preformed Line Products | 1 |
| #4 | Andre D. F. Oosthuizen | — | 1 |
| #4 | Friedrich Runge | — | 1 |
| #4 | Johann R. Wolmarans | — | 1 |
| #4 | Michael H. Schwulst | — | 1 |
| #4 | John L. Job | — | 1 |
| #4 | Stanford Reynolds | — | 1 |
| #4 | Glen B. Mileham | Ae Plc | 1 |
| #4 | Michael Henry Schulst | — | 1 |
| #4 | Graeme Kingston Dicks | Unknown | 1 |
| #4 | Peter Ayotola Adigun | Eskom Holdings Soc Limited | 1 |
| #4 | Martin John Pryor | Water Research Commission | 1 |