| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Germany | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Thermal processes | |
| #3 | Chemical engineering | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Albertson Orris E | 12 |
| #2 | Baturay Allen | 9 |
| Publication | Filing date | Title |
|---|---|---|
| CA2142582A1 | Sludge collection apparatus and method | |
| US5160435A | Method and system for bio-mass management of a trickling filter | |
| US5096588A | Method and system for optimizing the operation of a trickling filter | |
| US4917027A | Sludge incineration in single stage combustor with gas scrubbing followed by afterburning and heat recovery | |
| US4901654A | Deodorization and cleaning of medium temperature wet off-gases derived from burning of wet waste sludge |