| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Austria | 1 | |
| #3 | Switzerland | 1 | |
| #4 | Denmark | 1 | |
| #5 | Spain | 1 | |
| #6 | Finland | 1 | |
| #7 | Greece | 1 | |
| #8 | Ireland | 1 | |
| #9 | Italy | 1 | |
| #10 | Japan | 1 | |
| #11 | Luxembourg | 1 | |
| #12 | Netherlands | 1 | |
| #13 | Norway | 1 | |
| #14 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kronsbein Dirk Gustav | 7 |
| #2 | Dirk Gustav Kronsbein | 2 |
| #3 | Deiruku Gusutafu Kuroonsubain | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3513789A1 | Filter candle | |
| DE2915730A1 | CARTRIDGE FILTER | |
| DE2915819A1 | CARTRIDGE FILTER | |
| DE2813864A1 | FILTER |