| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | South Africa | 3 | |
| #3 | Brazil | 2 | |
| #4 | Italy | 2 | |
| #5 | Argentina | 1 | |
| #6 | Australia | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Basic materials chemistry | |
| #3 | Foods and drinks | |
| #4 | Chemical engineering | |
| #5 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kneer F | 6 |
| #2 | Spohn E | 1 |
| #3 | Kneer Franz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU6160173A | Process for converting sewage sludge into compost |