| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Brazil | 1 | |
| #5 | China | 1 | |
| #6 | Czechia | 1 | |
| #7 | Denmark | 1 | |
| #8 | EAPO (Eurasian Patent Organization) | 1 | |
| #9 | Estonia | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Hong Kong | 1 | |
| #12 | Japan | 1 | |
| #13 | Mexico | 1 | |
| #14 | Norway | 1 | |
| #15 | New Zealand | 1 | |
| #16 | Poland | 1 | |
| #17 | Slovakia | 1 | |
| #18 | Taiwan | 1 | |
| #19 | WIPO (World Intellectual Property Organization) | 1 | |
| #20 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Civil engineering | |
| #3 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hallett Douglas J | 20 |
| #2 | Campbell Kelvin R | 15 |
| #3 | Kelvin R Campbell | 2 |
| #4 | Douglas J Hallett | 2 |
| #5 | Campbell Kevin R | 1 |
| #6 | Campbell K R | 1 |
| #7 | Hallett D J | 1 |
| #8 | Hallet Douglas J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| TW255004B | Method and apparatus for treatment of organic waste material | |
| AU5207990A | Process for the destruction of organic waste material | |
| CA1294111C | Process for the destruction of organic waste material |