| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Mexico | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Biotechnology |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Separation | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Microbiology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Verink Johan | 11 |
| Publication | Filing date | Title |
|---|---|---|
| DE102006027031A1 | Apparatus for wastewater treatment and a system equipped with such a device | |
| DE10042468A1 | Combined waste water and sludge treatment basin has rigid floating gas trap | |
| DE10031093A1 | Device for three-phase separation in the treatment of sewage and sludge |