Metso Paper Inc.
577Patents
138Active
577Granted
48Portfolio score
Filing activity: Aug 13, 1996 → Sep 21, 2012 · 135 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6306257A | Air press for dewatering a wet web | Textiles; Paper | 70 | Expired |
| US6306258A | Air press | Textiles; Paper | 58 | Expired |
| US6458246B1 | Papermaking machine for forming tissue employing an air press | Textiles; Paper | 50 | Expired |
| US6423184B1 | Method and equipment for regulation of the initial part of the dryer section in a paper machine | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6613194B2 | Papermaking machine for forming tissue employing an air press | Textiles; Paper | 45 | Expired |
| US6863777B2 | Papermaking machine for forming tissue employing an air press | Textiles; Paper | 42 | Expired |
| US6743478B1 | Curtain coater and method for curtain coating | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6695130B1 | Chain conveyor with slack removal apparatus | Performing Operations; Transporting | 33 | Expired |
| US7185537B2 | Nip and loading analysis system | Performing Operations; Transporting | 31 | Expired |
| US6651303B1 | Equipment and method for replacing a band-like doctor blade | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6574884B1 | Blowing apparatus in a paper machine or the like | Textiles; Paper | 23 | Expired |
| US7444862B2 | Web tension profile measuring method and roll applying the same | Performing Operations; Transporting | 21 | Active |
| US6712930B2 | Method for calendering tissue paper | Performing Operations; Transporting | 21 | Expired |
| US7147176B2 | Device and method for unreeling wire from a wire coil | Performing Operations; Transporting | 18 | Expired |
| US6517679B1 | Method for determination of an irreversible stretch and of a dynamic modulus of elasticity | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8486229B2 | Device for drying and treating a tissue paper web | Textiles; Paper | 17 | Active |
| US6986832B2 | Arrangement for mixing flows in papermaking process | Textiles; Paper | 16 | Expired |
| US6443880B2 | Arrangement for removing oil in a roll | Textiles; Paper | 16 | Expired |
| US6910376B2 | Measurement method and system in the manufacture of paper or paperboard | Physics | 15 | Expired |
| US6365004B1 | Method and apparatus for drying a paper web | Textiles; Paper | 15 | Expired |
| US6948901B2 | Paper roll storage and handling installation and method for storing and handling paper rolls | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7419112B2 | Refining surface and a blade segment for a refiner | Performing Operations; Transporting | 13 | Expired |
| US6749725B1 | Blade holder for a doctor and a method for using the doctor | Textiles; Paper | 13 | Expired |
| US6447646B1 | Doctor assembly in a paper machine with a jointed bearing | Textiles; Paper | 13 | Expired |
| US7178698B2 | Container with discharging device | Textiles; Paper | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.