Inventor · disambiguated record

Pertti Purolainen

Also filed as: PUROLAINEN PERTTI

2 granted patents·18 citations·filing 1993–2005

56Inventor score

Technology areasB02C D21D

Files withMETSO PAPER INC1 SUNDS DEFIBRATOR IND AB1

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2 records

0161US7513451B2Refining elementMETSO PAPER INC·Filed 2005·Granted Apr 7, 2009·2 cites·2 claims
0254US5526992ARefining element of a disc refinerSUNDS DEFIBRATOR IND AB·Filed 1993·Granted Jun 18, 1996·16 cites·5 claims

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