| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Canada | 3 | |
| #4 | United States | 2 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 | |
| #7 | EAPO (Eurasian Patent Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Basic materials chemistry | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Conaway Lawrence M | 16 |
| Publication | Filing date | Title |
|---|---|---|
| AU4859000A | Systems and methods for processing industrial sludges | |
| US6251290B1 | Method for recovering hydrocarbons from tar sands and oil shales | |
| US6096227A | System for processing industrial sludges | |
| BR9814647A | Process for treating an aqueous refinery waste suspension to provide effluent, and an oil refinery waste processing system to provide liquid effluent | |
| CA2286896A1 | Method of treating organic contaminated materials |