Inventor · disambiguated record
Richard O. Laakso
Also filed as: LAAKSO RICHARD · LAAKSO RICHARD O
21 granted patents·8 pending applications·466 citations·filing 1988–2008
97Inventor score
Top patents by PatentIndex Score
29 records- 0194US5489363APulping with low dissolved solids for improved pulp strengthKAMYR INC·Filed 1993·Granted Feb 6, 1996·35 cites·41 claims
- 0293US6346167B2Dissolved solids control in pulp productionANDRITZ AHLSTROM INC·Filed 2001·Granted Feb 12, 2002·19 cites·9 claims
- 0393US5547012ADissolved solids control in pulp productionKAMYR INC·Filed 1993·Granted Aug 20, 1996·33 cites·31 claims
- 0492US5620562ADissolved solids control in pulp productionAHLSTROM MACHINERY INC·Filed 1996·Granted Apr 15, 1997·29 cites·30 claims
- 0590US5662775AContinuous digester with dissolved solids handlingAHLSTROM MACHINERY INC·Filed 1995·Granted Sep 2, 1997·35 cites·16 claims
- 0689US6368453B1Chip feeding to a comminuted cellulosic fibrous material treatment vesselANDRITZ INC·Filed 2000·Granted Apr 9, 2002·14 cites·12 claims
- 0789US5536366ADigester system for implementing low dissolved solids profilingAHLSTROM MACHINERY INC·Filed 1993·Granted Jul 16, 1996·33 cites·13 claims
- 0888US6280568B1Dissolved organic material control in a cellulose pulp continuous digesterANDRITZ AHLSTROM INC·Filed 2000·Granted Aug 28, 2001·12 cites·7 claims
- 0986US6086712ADOM control in cellulose pulp productionAHLSTROM MACHINERY INC·Filed 1998·Granted Jul 11, 2000·20 cites·43 claims
- 1086US5882477AContinuous digester with a low temperature gas-phaseAHLSTROM MACHINERY INC·Filed 1997·Granted Mar 16, 1999·29 cites·20 claims
- 1186US5849151AContinuous digester having means for implementing low dissolved solids profilingAHLSTROM MACHINERY INC·Filed 1997·Granted Dec 15, 1998·27 cites·20 claims
- 1284US5849150ALow dissolved solids control in pulp productionAHLSTROM MACHINERY INC·Filed 1996·Granted Dec 15, 1998·18 cites·16 claims
- 1382US6174411B1Continuous digester with inverted top separatorANDRITZ AHLSTROM INC·Filed 1998·Granted Jan 16, 2001·29 cites·21 claims
- 1479US6132556AMethod of controlling pulp digester pressure via liquor extractionANDRITZ AHLSTROM INC·Filed 1998·Granted Oct 17, 2000·24 cites·20 claims
- 1578US6159337ADissolved organic materials control in cellulose pulp productionANDRITZ AHLSTROM INC·Filed 1999·Granted Dec 12, 2000·13 cites·19 claims
- 1675US5824188AMethod of controlling the pressure of a continuous digester using an extraction-dilutionAHLSTROM MACHINERY INC·Filed 1996·Granted Oct 20, 1998·21 cites·17 claims
- 1774US5575890AMethod for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of woodKAMYR INC·Filed 1994·Granted Nov 19, 1996·22 cites·14 claims
- 1874US4927312AChip gates with air lockKAMYR INC·Filed 1988·Granted May 22, 1990·18 cites·12 claims
- 1971US6024837ALow temperature gas phase continuous digesterAHLSTROM MACHINERY INC·Filed 1998·Granted Feb 15, 2000·14 cites·8 claims
- 2069US6582554B1Continuous digester having a sectioned top separator with multiple liquor extraction portsANDRITZ INC·Filed 2002·Granted Jun 24, 2003·3 cites·13 claims
- 2169US5401361ACompletely coutercurrent cook continuous digesterKAMYR INC·Filed 1992·Granted Mar 28, 1995·18 cites·18 claims
- 2253US2003089466A1Chip feeding to a comminuted cellulosic fibrous material treatment vesselANDRITZ INC·Filed 2002·Application pending·0 cites
- 2353US2003089470A1Chip feeding to a comminuted cellulosic fibrous material treatment vesselANDRITZ INC·Filed 2002·Application pending·0 cites
- 2453US2003089469A1Chip feeding to a comminuted cellulosic fibrous material treatment vesselANDRITZ INC·Filed 2002·Application pending·0 cites
- 2553US2003089468A1Chip feeding to a comminuted cellulosic fibrous material treatment vesselANDRITZ INC·Filed 2002·Application pending·0 cites
- 2653US2003089467A1Chip feeding to a comminuted cellulosic fibrous material treatment vesselANDRITZ INC·Filed 2002·Application pending·0 cites
- 2751US2003209335A1Continuous digester having a sectioned top separator with multiple liquor extraction portsANDRITZ INC·Filed 2003·Application pending·0 cites
- 2850US2001025694A1Chip feeding to a comminuted cellulosic fibrous material treatment vesselANDRITZ AHLSTROM INC·Filed 2001·Application pending·0 cites
- 2944US2009142147A1Monitoring and adjustment system and method for a high pressure feeder in a cellulose chip feeding system for a continuous digesterANDRITZ INC·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →