Inventor · disambiguated record
Carl Luhrmann
Also filed as: LUHRMANN CARL · LUHRMANN CARL L
8 granted patents·1 pending application·93 citations·filing 1992–2013
85Inventor score
Top patents by PatentIndex Score
9 records- 0181US7799173B2Screen plates having diagonal slots with curved inlets for a digesterANDRITZ INC·Filed 2007·Granted Sep 21, 2010·7 cites·36 claims
- 0279US6132556AMethod of controlling pulp digester pressure via liquor extractionANDRITZ AHLSTROM INC·Filed 1998·Granted Oct 17, 2000·24 cites·20 claims
- 0375US5824188AMethod of controlling the pressure of a continuous digester using an extraction-dilutionAHLSTROM MACHINERY INC·Filed 1996·Granted Oct 20, 1998·21 cites·17 claims
- 0474US8157956B2Cylindrical bearing for pressure diffuser and associated methodWESTON JOHN·Filed 2009·Granted Apr 17, 2012·3 cites·15 claims
- 0574US5575890AMethod 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
- 0665US5302247ATop circulation line cooling for a modified cook digesterKAMYR INC·Filed 1992·Granted Apr 12, 1994·16 cites·16 claims
- 0746US8888958B2Pressure diffuser with an annular baffle screen plate over water inletANDRITZ INC·Filed 2013·Granted Nov 18, 2014·0 cites·13 claims
- 0844US2009142147A1Monitoring 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
- 0933US8672588B2Unobstructed low pressure outlet and screen grid for a high pressure feederVOGEL KEITH·Filed 2010·Granted Mar 18, 2014·0 cites·18 claims
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