VALMET AB
110Patents
110Active
110Granted
60Portfolio score
Filing activity: Nov 5, 2007 → Apr 10, 2023 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8871060B2 | Method and a machine for producing a structured fibrous web of paper | Textiles; Paper | 19 | Active |
| US8911594B2 | Paper making machine, an extended nip roll and a method of producing tissue paper | Textiles; Paper | 5 | Active |
| US8959790B2 | Positioning device for a drain pipe in a drying cylinder | Textiles; Paper | 3 | Active |
| US10767309B2 | Refiner segment in a fiber refiner | Textiles; Paper | 3 | Active |
| US10927499B2 | Refiner segment in a fiber refiner | Textiles; Paper | 3 | Active |
| US8784538B2 | Unit and method for deaeration of drainage water | Emerging Cross-Sectional Technologies | 3 | Active |
| US9057157B2 | Paper making machine, an extended nip roll and a method of producing tissue paper | Textiles; Paper | 3 | Active |
| US9434551B2 | Screw conveyor for lignocellulose-containing material | Textiles; Paper | 3 | Active |
| US9943852B2 | Center plate in a pulp refiner | Textiles; Paper | 2 | Active |
| US10400393B2 | Refiner | Textiles; Paper | 2 | Active |
| US9181655B2 | Extended nip roll, an extended nip press making use of the extended nip roll, a papermaking machine and a method of operating an extended nip press | Textiles; Paper | 2 | Active |
| US10378149B2 | Refiner plate segment with pre-dam | Textiles; Paper | 2 | Active |
| US8980061B2 | Profile bar screen for digester vessels | Textiles; Paper | 2 | Active |
| US10047408B2 | Arrangement and system for a treatment process | Emerging Cross-Sectional Technologies | 2 | Active |
| US9663896B2 | Method for recovering hydrolysate | Textiles; Paper | 1 | Active |
| US9993788B2 | Biomass treatment system | Performing Operations; Transporting | 1 | Active |
| US10106328B2 | Plug screw feeder, feeder arrangement and system for treatment of lignocellulosic biomass material | Textiles; Paper | 1 | Active |
| US10087579B2 | Profile bar screen for digester vessels | Textiles; Paper | 1 | Active |
| US11268240B2 | Yankee drying hood arrangement, a Yankee drying cylinder fitted with a Yankee drying hood arrangement and a method of drying a fibrous web | Textiles; Paper | 1 | Active |
| US10385506B2 | Arrangement and system for feeding biomass material to a treatment process | Emerging Cross-Sectional Technologies | 1 | Active |
| US8728278B2 | Feeding system having pumps in parallel for a continuous digester | Textiles; Paper | 1 | Active |
| US9156221B2 | Arrangement, system and method for handling non-wood plant material | Textiles; Paper | 1 | Active |
| US8747613B2 | Pressure diffuser with less power rating in hydraulic system | Textiles; Paper | 1 | Active |
| US9187863B2 | Method for the causticizing process for producing white liquor | Textiles; Paper | 1 | Active |
| US11980837B2 | Rotary drum vacuum filter with a throttling valve | Textiles; Paper | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.