| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Netherlands | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | United States | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Measurement | |
| #4 | Textiles and paper | |
| #5 | Basic materials chemistry | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Separation | |
| #4 | Analysing materials | |
| #5 | Cleaning | |
| #6 | Paper recycling | |
| #7 | Flotation | |
| #8 | Earth drilling | |
| #9 | Materials for miscellaneous applications |
| # | Name | Total Patents |
|---|---|---|
| #1 | Menkveld Hendrik Willem Herman | 8 |
| #2 | Kluit Arie | 6 |
| #3 | Holterman Menno-Martijn | 6 |
| #4 | Ruitenberg Antonie | 4 |
| #5 | Hendrik Willem Herman Menkveld | 4 |
| #6 | Hoenderboom Robin Jacques Vincent | 3 |
| #7 | Menno-Martijn Holterman | 2 |
| #8 | Ruijtenberg Antonie | 2 |
| #9 | Keijzer Wilco Jacob Christiaan | 2 |
| #10 | Riteco Ewout Pieter | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP3769832A1 | Gravity separator unit | |
| NL2020899B1 | Method and system for cleaning an inline sensor | |
| WO2019108055A1 | Rotary press for dewatering of a humid mass, such as a sludge or pulp | |
| US2018093910A1 | Method and system for anaerobic treatment of organically loaded wastewater | |
| NL2012619A | Assembly of a flocculation device, an ozone introduction device and a separator device and method for operating such an assembly. | |
| NL2012353A | Method for treating fluid resulting from hydraulic fracturing with liquid/solid separation. | |
| US2015174512A1 | Internally fed drum filter for treating waste water comprising an inlet distribution arrangement |