Vapo Oy
8Patents
2Active
8Granted
32Portfolio score
Filing activity: Mar 4, 1987 → Jan 9, 2017 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5494351A | Device and method for mixing peat and sludge | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5556537A | Equipment for cleaning waste water | Chemistry; Metallurgy | 9 | Expired |
| US5747331A | Process and apparatus for the purification of gases | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6202578A | Method and reactor for processing of fuels having a wide particle size distribution | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| USD304318S | Plant box | General | 3 | Expired |
| US6098553A | Arrangement for converting a conventional oil boiler to a boiler with moist, granular and solid fuel | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7507265B2 | Method and equipment for producing horticultural and fuel peat and a fuel peat product | Emerging Cross-Sectional Technologies | 1 | Active |
| US10947122B2 | Method for the production of low ash activated charcoal | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.