| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 10 | |
| #2 | EPO (European Patent Office) | 7 | |
| #3 | United States | 6 | |
| #4 | Brazil | 5 | |
| #5 | Spain | 5 | |
| #6 | Canada | 4 | |
| #7 | Republic of Korea | 4 | |
| #8 | Poland | 4 | |
| #9 | Denmark | 3 | |
| #10 | Finland | 3 | |
| #11 | Croatia | 3 | |
| #12 | WIPO (World Intellectual Property Organization) | 3 | |
| #13 | China | 2 | |
| #14 | Australia | 1 | |
| #15 | Hong Kong | 1 | |
| #16 | Norway | 1 | |
| #17 | Singapore | 1 | |
| #18 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #19 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Measurement | |
| #4 | Environmental technology | |
| #5 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nilsson Vilgot | 17 |
| #2 | Ajnefors Fredrik | 10 |
| #3 | Jonak Vladimir | 5 |
| #4 | Nilsson V | 5 |
| #5 | Pallmar Anders | 4 |
| #6 | Ajnefors Frederik | 2 |
| #7 | Larsson Leif | 2 |
| #8 | Andersson Jarl | 2 |
| #9 | Robertsson G | 2 |
| #10 | Nilsson Vilgot Mr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| HRP920378A2 | Arrangement for the regulation of pump capacity | |
| WO8903251A1 | Cleaning of a centrifugal separator | |
| SE8702612D0 | PROCEDURE IN OPERATION OF A Centrifugal Separator and Centrifugal Separator BEFORE THE IMPLEMENTATION OF THE PROCEDURE | |
| EP0227685A1 | Flow indicating device. | |
| WO8501321A1 | Method of treating oil for internal combustion engines and apparatus usable for carrying out the method | |
| US4525155A | Centrifugal separator and method of operating the same | |
| DK92984D0 | Procedure and apparatus for operating a cooling system, prior to cooling machines in ships | |
| SE8307075D0 | CENTRIFUGAL DEVICE DEVICE |