| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 12 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Thermal processes | |
| #4 | Materials and metallurgy | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Von Kossakglowczewski Thomas Paul | 2 |
| #2 | Harteveld Wouter Koen | 2 |
| #3 | Stanecki John Andrew | 1 |
| #4 | Den Boestert Johannes Leendert Wilhelm Cornelius | 1 |
| #5 | Cao Renfang Richard | 1 |
| #6 | Clomburg Jr Lloyd Anthony | 1 |
| #7 | Beer Gary Lee | 1 |
| #8 | Raghu Damodaran | 1 |
| #9 | Vinegar Harold J | 1 |
| #10 | Mo Weijan | 1 |