Wetend Technologies Oy
18Patents
16Active
18Granted
49Portfolio score
Filing activity: Aug 24, 2000 → Dec 18, 2020 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6659636B1 | Method and apparatus for feeding a chemical into a liquid flow | Textiles; Paper | 26 | Expired |
| US9752280B2 | Arrangement for and a method of manufacturing a fibrous web | Emerging Cross-Sectional Technologies | 9 | Active |
| US9447543B2 | Arrangement for and a method of manufacturing a fibrous web | Emerging Cross-Sectional Technologies | 8 | Active |
| US8602634B2 | Method and apparatus for feeding chemical into a liquid flow | Textiles; Paper | 7 | Active |
| US7758725B2 | Method of mixing a paper making chemical into a fiber suspension flow | Emerging Cross-Sectional Technologies | 6 | Active |
| US7234857B2 | Method and apparatus for feeding a chemical into a liquid flow | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8852402B2 | Method for producing calcium carbonate during formation of a fibrous web | Textiles; Paper | 5 | Active |
| US9028767B2 | Method and a reactor for mixing one or more chemicals into a process liquid flow | Electricity | 5 | Active |
| US9181103B2 | Method and apparatus for in-line production of milk of lime into an in-line production process of PCC arranged in connection with a fibrous web machine | Chemistry; Metallurgy | 2 | Active |
| US9616399B2 | Method for feeding chemical into a liquid flow | Textiles; Paper | 2 | Active |
| US8480854B2 | Method for crystallizing a filler in connection with a fiber web process, and an approach system for a fiber web machine | Textiles; Paper | 1 | Active |
| US8202397B2 | Method of and an arrangement for proportioning thick stock to a short circulation of fiber web machine | Textiles; Paper | 1 | Active |
| US9649607B2 | Arrangement for mixing a fluid to a process liquid and a method of operating the arrangement | Performing Operations; Transporting | 1 | Active |
| US8747619B2 | Method for crystallizing a filler in connection with a fiber web process, and an approach system for a fiber web machine | Textiles; Paper | 1 | Active |
| US9708772B2 | Method of providing fiber web making furnish with filler, and paper or paper board | Chemistry; Metallurgy | 1 | Active |
| US11459700B2 | Method of and an arrangement for adding at least one additional stock component to an approach flow system of a fiber web machine | Textiles; Paper | 0 | Active |
| US11578463B2 | Dosing of nanocellulose suspension in gel phase | Textiles; Paper | 0 | Active |
| US9339774B2 | Method and apparatus for mixing various flows into a process liquid flow | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.