| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Canada | 1 | |
| #3 | China | 1 | |
| #4 | Germany | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Norway | 1 | |
| #9 | Portugal | 1 | |
| #10 | United States | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Materials and metallurgy | |
| #3 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peacock E Benjamin | 8 |
| #2 | Busch Arthur W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI912751A0 | Behandling av farligt avfall. | |
| AU6518290A | Treatment of hazardous waste material | |
| DE2106959A1 | Waste liquid treatment apparatus | |
| GB1323992A | Liquid treating apparatus | |
| US3552570A | Liquid treating apparatus |