Showing 1–27 of 27 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Casper Hendrik Badenhorst | — | 4 |
| 2 | David A. Buttemer | — | 3 |
| 3 | Donavin Hawkey | Rock Solid Industries International (Pty) | 2 |
| 3 | Cyril Arthur Farrow | — | 2 |
| 3 | Allan S. Cooper | — | 2 |
| 3 | John R. Maud | — | 2 |
| 3 | Siegfried Drews | Rooperol (Na) Nv | 2 |
| 3 | Gerrit Jacobus Loubser | — | 2 |
| 3 | Japheth Dulloo | Rock Solid Industries International (Pty) | 2 |
| #10 | Adeyemi Oladapo Aremu | Univerzita Palackého V Olomouci | 1 |
| #10 | David S. Grantham | — | 1 |
| #10 | Johnny D. Lloyd | — | 1 |
| #10 | Siegfried Drewes | Rooperol (Na) Nv | 1 |
| #10 | Keith Day | — | 1 |
| #10 | Siegfrid Drewes | — | 1 |
| #10 | Malcom D. Anderson | — | 1 |
| #10 | Rory Tait Neilson | — | 1 |
| #10 | Leon De Wit | — | 1 |
| #10 | Johannes Van Staden | Univerzita Palackého V Olomouci | 1 |
| #10 | Kate Julie Akerman | University Of Kwazulu-Natal | 1 |
| #10 | Piers Akerman | University Of Kwazulu-Natal | 1 |
| #10 | John R. Dorse | — | 1 |
| #10 | Francis D. Urbaniak-Hedley | — | 1 |
| #10 | Marie M. B. Talbot | — | 1 |
| #10 | Orde Quentin MUNRO | University Of Kwazulu-Natal | 1 |
| #10 | Donald A. Hadfield | — | 1 |
| #10 | John D. M. Rider | — | 1 |