| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 7 | |
| #2 | EPO (European Patent Office) | 7 | |
| #3 | Finland | 7 | |
| #4 | Sweden | 7 | |
| #5 | United States | 7 | |
| #6 | Norway | 5 | |
| #7 | Brazil | 4 | |
| #8 | WIPO (World Intellectual Property Organization) | 4 | |
| #9 | Australia | 3 | |
| #10 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #11 | Bulgaria | 1 | |
| #12 | Denmark | 1 | |
| #13 | Hungary | 1 | |
| #14 | Italy | 1 | |
| #15 | Republic of Korea | 1 | |
| #16 | Russian Federation | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nilsson Bjarne | 55 |
| #2 | Nilsson Byarne | 2 |
| #3 | Byarne Nilsson | 1 |
| #4 | Nilson Bjarne | 1 |
| #5 | Nilsson Harry | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0544636A2 | Filter sector | |
| WO9007368A1 | A device at rotating filters | |
| EP0297074A1 | Disc sector for rotary disc filter | |
| EP0322439A1 | Arrangement at rotating filters for improved filtrate discharge. | |
| EP0297075A1 | Filter bag for a filter section | |
| EP0319564A1 | Rotating filter with outer filtrate conduits. | |
| EP0192620A1 | Disc filter element for a rotatable disc filter | |
| WO8501672A1 | Rotatable disc filter |