| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | South Africa | 4 | |
| #3 | Brazil | 2 | |
| #4 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Civil engineering | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wurz D | 6 |
| #2 | Ernst G | 6 |
| #3 | Baer E | 4 |
| #4 | Dittrich H | 3 |
| #5 | Bear E | 2 |
| #6 | Roller W | 2 |
| #7 | Baer Edmund | 1 |
| #8 | Ernst Gunter Prof Dr Ing | 1 |
| #9 | Wurz Dieter Dr Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7501343B | Cooling tower |