Pentti Vikio
20Patents
7h-index
22Co-inventors
69Inventor score
Filing activity: Aug 15, 1980 → Oct 5, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5308384A | Deaeration vessel | Performing Operations; Transporting | 14 | Expired |
| US4309283A | Hydrocyclone | Performing Operations; Transporting | 11 | Expired |
| US4919796A | Method and apparatus for grading fiber suspension | Textiles; Paper | 10 | Expired |
| US5084161A | Method and apparatus for the removal of light material from a fiber suspension | Textiles; Paper | 8 | Expired |
| US5996806A | Method and apparatus for treating filler-containing material such as recycled fibers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5240621A | Method and apparatus for improving flotation separation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5266198A | Hydrocyclone with a shell mean determining tube embedded in the shell | Textiles; Paper | 7 | Expired |
| US4358369A | Hydrocyclone | Textiles; Paper | 5 | Expired |
| US5882475A | Method of recovering fibers from a reject stream generated in a wastepaper treating process | Textiles; Paper | 5 | Expired |
| US5449437A | Method for treating white water using a fiber recovery apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5776304A | Method and apparatus for treating filler-containing material, such as recycled fibers | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5368693A | Apparatus for treating white water | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4608174A | Feed and accept duct system for hydrocyclones | Performing Operations; Transporting | 2 | Expired |
| US4657678A | Twin hydrocyclone | Performing Operations; Transporting | 2 | Expired |
| US5267655A | Method and apparatus for treating a gas containing aqueous fiber suspension | Textiles; Paper | 1 | Expired |
| USRE38317E1 | Method and apparatus for treating filler-containing material, such as recycled fibers | General | 1 | Expired |
| US6605184B1 | Method and apparatus for treatment of fiber suspension containing minerals, such as coated broke, in paper production | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5323914A | Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4549964A | Device for flushing obstructions from the reject head of a centrifugal separator | Performing Operations; Transporting | 0 | Expired |
| US4671878A | Means for clearing the blocked reject end of a vortex purifier | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.