Raimo Kohonen
14Patents
5h-index
22Co-inventors
66Inventor score
Filing activity: May 31, 1979 → May 15, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4292123A | Procedure and apparatus for cellulose washing | Performing Operations; Transporting | 21 | Expired |
| US5641402A | Multistage disc filter | Emerging Cross-Sectional Technologies | 10 | Expired |
| USRE36297E | Method and apparatus for treating a fiber suspension | General | 10 | Expired |
| US5240621A | Method and apparatus for improving flotation separation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5073264A | Apparatus for treating fiber suspension | Textiles; Paper | 6 | Expired |
| US4943372A | Method and apparatus of discharging a disc filter | Performing Operations; Transporting | 5 | Expired |
| US5264138A | Method and apparatus for treating a fiber suspension | Textiles; Paper | 5 | Expired |
| US4354934A | Filter press | Performing Operations; Transporting | 4 | Expired |
| US5160434A | Filter cylinder with drainage surface | Performing Operations; Transporting | 3 | Expired |
| US4687583A | Procedure for filtering lime sludge meant to be regenerated to lime | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4678574A | Disc filter | Performing Operations; Transporting | 2 | Expired |
| US5267655A | Method and apparatus for treating a gas containing aqueous fiber suspension | Textiles; Paper | 1 | Expired |
| US5227058A | Apparatus for removing liquid from the thickeners, filters, and washers | Performing Operations; Transporting | 1 | Expired |
| US6719145B1 | Arrangement and rotor for screening of pulp | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.