| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 5 | |
| #2 | Canada | 5 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Water treatment | |
| #5 | Climate change mitigation in wastewater treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roberts R Lee | 9 |
| #2 | Roberts Lee R | 7 |
| #3 | Addison Mark Kevin | 6 |
| #4 | Taylor Andrew Scott | 3 |
| #5 | Schmoyer Jason Samuel | 3 |
| #6 | Simmons John D | 2 |
| #7 | Llyin Aleksandr Vladimirovich | 1 |
| #8 | Addison Mark Keven | 1 |
| #9 | Ilyin Aleksandr Vladimirovich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2538121A1 | An improved underdrain system | |
| US5911241A | Methods and apparatus for sludge collection |