Inventor · disambiguated record
Erkki A. Ruuskanen
Also filed as: RUUSKANEN ERKKI · RUUSKANEN ERKKI A
4 granted patents·69 citations·filing 1978–1990
77Inventor score
Top patents by PatentIndex Score
4 records- 0181US4952314AApparatus for treating pulpAHLSTROEM OY·Filed 1988·Granted Aug 28, 1990·22 cites·12 claims
- 0275US5139671AApparatus for treating pulpAHLSTROEM OY·Filed 1990·Granted Aug 18, 1992·24 cites·12 claims
- 0374US4202505ARefinerRUUSKANEN ERKKI·Filed 1978·Granted May 13, 1980·20 cites·3 claims
- 0430US4795170APacking arrangement for sealing the surface of a rotary drum like objectENSO GUTZEIT OY·Filed 1986·Granted Jan 3, 1989·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →