| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Netherlands | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Poland | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Climate change adaptation technologies | |
| #2 | Separation | |
| #3 | Unspecified technologies | |
| #4 | Water treatment | |
| #5 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heijnen Joseph Johannes | 4 |
| #2 | Schmidt Ingo | 3 |
| #3 | Van Loosdrecht Marinus Corneli | 3 |
| #4 | Jetten Michael Silvester Maria | 2 |
| #5 | Van Kempen Rogier Nicolaas Antonius | 1 |
| #6 | Oude Luttighuis Hermanus Hendr | 1 |
| #7 | Verduijn Gijsbertus | 1 |
| #8 | Van Kempen Rogier | 1 |
| #9 | Loosdrecht Marinus Cornelis Ma | 1 |
| #10 | Luttighuis Hermanus Hendrikus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| PL363398A1 | Method for sewage biofiltration and equipment designed for biofiltration of sewage | |
| WO2004101448A1 | A process for the biological treatment of ammonium-rich aqueous media | |
| US6183642B1 | Biological treatment of wastewater | |
| NL1007824C2 | Pile which is sunk into the ground, and coated with lubricant | |
| NL1003866C2 | Biological treatment of waste water. | |
| NL9400328A | Biological filter provided with a biologically active compost carrier material and method for manufacturing a biologically active compost carrier material. |