| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | Canada | 3 | |
| #4 | United States | 3 | |
| #5 | Australia | 2 | |
| #6 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machine tools | |
| #3 | Textiles and paper | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Presses | |
| #3 | Paper recycling | |
| #4 | Mixing | |
| #5 | Fibrous raw materials | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Strid Kent | 4 |
| #2 | Berggren T L | 2 |
| #3 | Ragnegard S | 2 |
| #4 | Strid K | 2 |
| #5 | Frisk Per-Olof | 2 |
| #6 | Lindahl Arne | 2 |
| #7 | Frisk Edvin | 2 |
| #8 | Berggren Lennart | 2 |
| #9 | Berggren Torsten L | 2 |
| #10 | Pettersson Bertil | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO9008645A1 | An apparatus for dewatering and squeezing material | |
| US4997578A | Method and apparatus for dewatering and squeezing material | |
| US4908101A | Method and apparatus for mixing chemicals into fiber pulp | |
| CA619934A | Welded frames for combustion engines and other piston type engines |