Inventor · disambiguated record
Pekka Haikkala
Also filed as: HAIKKALA PEKKA · HAIKKALA PEKKA O
12 granted patents·64 citations·filing 1978–2003
89Inventor score
Top patents by PatentIndex Score
12 records- 0164US4207139AMethod for producing groundwood pulpMO OCH DOMSJOE AB·Filed 1978·Granted Jun 10, 1980·10 cites·8 claims
- 0260US4305590ASealing arrangement for a shutter of a pressure grinderTAMPELLA OY AB·Filed 1980·Granted Dec 15, 1981·19 cites·10 claims
- 0358US6929202B2Method and arrangement for feeding wood batches into a pressure grinderMETSO PAPER INC·Filed 2003·Granted Aug 16, 2005·5 cites·12 claims
- 0454US4274600AMethod of and a grinder for grinding wood under pressureTAMPELLA OY AB·Filed 1979·Granted Jun 23, 1981·6 cites·3 claims
- 0551US4664323AMethod of and a feeding device for feeding a wood batch into a pressure grinderTAMPELLA OY AB·Filed 1984·Granted May 12, 1987·8 cites·5 claims
- 0647US4270703AMethod of and a grinder for discharging groundwood stock when grinding wood under pressureTAMPELLA OY AB·Filed 1979·Granted Jun 2, 1981·8 cites·2 claims
- 0735US4333613AApparatus for continuously grinding wood under pressure and continuously discharging groundwoodTAMPELLA OY AB·Filed 1980·Granted Jun 8, 1982·2 cites·7 claims
- 0833US6109550AArrangement for providing continuous grinding in a pulp grinderVALMET CORP·Filed 1997·Granted Aug 29, 2000·3 cites·14 claims
- 0932US4327870AApparatus for continuously grinding wood under pressure and continuously discharging groundwoodTAMPELLA OY AB·Filed 1980·Granted May 4, 1982·1 cites·5 claims
- 1028US6095443AArrangement for feeding wood in a pulp grinderVALMET CORP·Filed 1997·Granted Aug 1, 2000·1 cites·6 claims
- 1126US6193180B1Arrangement in a pulp grinderVALMET CORP·Filed 1997·Granted Feb 27, 2001·0 cites·7 claims
- 1222US4666093AFrame construction for a pressure grinding machine of press typeTAMPELLA OY AB·Filed 1986·Granted May 19, 1987·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →