Assignee
VIRTANEN PENTTI
FI·5 granted patents·2 pending applications·38 citations·filing 1983–2011
Top patents by PatentIndex Score
7 records- 0195US8192542B2Aqueous suspension based on hydraulic binder and a process for the production thereofVIRTANEN PENTTI·Filed 2006·Granted Jun 5, 2012·28 cites·24 claims
- 0268US8758566B2Process for manufacturing paper or boardVIRTANEN PENTTI·Filed 2011·Granted Jun 24, 2014·2 cites·22 claims
- 0367US8474738B2Impact millVIRTANEN PENTTI·Filed 2006·Granted Jul 2, 2013·4 cites·4 claims
- 0461US8480018B2Method and apparatus for the preparation of finely divided calcium hydroxideVIRTANEN PENTTI·Filed 2009·Granted Jul 9, 2013·2 cites·7 claims
- 0554US2011233124A1Acidic water and its use for drainage or separation of solidsVIRTANEN PENTTI·Filed 2009·Application pending·0 cites
- 0641US2013199745A1Process for manufacturing paper and boardVIRTANEN PENTTI·Filed 2011·Application pending·0 cites
- 0731US4540358AApparatus for the manufacture of a precast building element of concreteVIRTANEN PENTTI·Filed 1983·Granted Sep 10, 1985·2 cites·6 claims
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