| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 2 | |
| #2 | United States | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | Norway | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Sweden | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hahmann Robert | 10 |
| #2 | Koos Paulina | 10 |
| #3 | Koos Paul | 10 |
| #4 | Witz Stefan | 4 |
| #5 | Pettersson Lasse | 4 |
| #6 | Paulina Koos | 2 |
| #7 | Paul Koos | 2 |
| #8 | Robert Hahmann | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP3339250A1 | Purification device | |
| AU2005260149A1 | Purification device, insert and method of purifying a liquid |