| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | South Africa | 5 | |
| #3 | Brazil | 3 | |
| #4 | India | 2 | |
| #5 | Luxembourg | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology | |
| #4 | Chemical engineering | |
| #5 | Machines | |
| #6 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grams W | 4 |
| #2 | Gernhardt P | 4 |
| #3 | Danguillier W | 4 |
| #4 | Pohl S | 4 |
| #5 | Pries E | 2 |
| #6 | Watson L | 1 |
| #7 | Hease E | 1 |
| #8 | Alderman L | 1 |
| #9 | Wackerbarth F | 1 |
| #10 | Peter K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7800842B | Method of operating a coke oven battery | |
| ZA7701442B | Battery of horizontal coke ovens and method for operating the same |