METSO PAPER SWEDEN AB
19Patents
19Active
19Granted
45Portfolio score
Filing activity: May 24, 2005 → Jan 25, 2011 · 19 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8518273B2 | Method and device for cleaning of filter | Emerging Cross-Sectional Technologies | 10 | Active |
| US8366802B2 | Cyclone with improved separation of gas from gas laden liquid streams also at reduced flow volumes | Performing Operations; Transporting | 6 | Active |
| US8377261B2 | High pressure sluice feeder | Textiles; Paper | 3 | Active |
| US8647469B2 | Method, system and withdrawal screen section for impregnating chips | Textiles; Paper | 2 | Active |
| US8052843B2 | System and a method for the steam pre-treatment of chips in association with the production of chemical cellulose pulp | Textiles; Paper | 1 | Active |
| US8444851B2 | System for reception and transport of lime mud from a white liquor filter | Emerging Cross-Sectional Technologies | 1 | Active |
| US8414741B2 | Tissue papermaking machine and a method of manufacturing a tissue paper web | Textiles; Paper | 1 | Active |
| US8449717B2 | Method for preventing clogging in a strainer construction for a continuous digester | Textiles; Paper | 0 | Active |
| US8545674B2 | Method to use heat energy from black liquor | Emerging Cross-Sectional Technologies | 0 | Active |
| US8088253B2 | Digester screen for a continuous cellulose pulp digester | Textiles; Paper | 0 | Active |
| US8273212B2 | Method for kraft pulp production where hemicelluloses are returned | Textiles; Paper | 0 | Active |
| US8366876B2 | Method and arrangement for improving a washing step after completed cooking in a continuous digester | Textiles; Paper | 0 | Active |
| US8088249B2 | Method for the continuous steam pre-treatment of chips during the production of cellulose pulp | Textiles; Paper | 0 | Active |
| US8197639B2 | Vapour phase digester and a method for continuous cooking | Textiles; Paper | 0 | Active |
| US7998310B2 | Method for impregnating chips | Textiles; Paper | 0 | Active |
| US7976675B2 | Continuous digester system | Textiles; Paper | 0 | Active |
| US8366875B2 | Method and arrangement for wash after completed digestion in a continuous digester for the production of cellulose pulp | Textiles; Paper | 0 | Active |
| US8647473B2 | Continuous digester with a bottom scraper equipped with draining apertures | Textiles; Paper | 0 | Active |
| US8574402B2 | Feeding system having pumps in parallel for a continuous digester | Textiles; Paper | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.