| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Machines | |
| #3 | Biotechnology | |
| #4 | Basic materials chemistry | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rozich Alan F | 7 |
| #2 | Hassett Alan F | 6 |
| #3 | Porfido Stanley M | 3 |
| #4 | Aran Efu Rojitsuchi | 1 |
| #5 | Fender Ronald G | 1 |
| #6 | Macgregor Alan S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5575304A | Vacuum sewer system | |
| US5435666A | Methods for isolating a water table and for soil remediation | |
| CA2098807A1 | Waste Treatment Process Employing Oxidation | |
| US5141646A | Process for sludge and/or organic waste reduction | |
| US4422943A | Method for precipitation of heavy metal sulfides |