Inventor · disambiguated record
Holger Engdahl
Also filed as: ENGDAHL HOLGER
10 granted patents·141 citations·filing 1979–2005
90Inventor score
Top patents by PatentIndex Score
10 records- 0183US8002994B2Method and apparatus for thickening lime mud in a disc filterANDRITZ OY·Filed 2005·Granted Aug 23, 2011·13 cites·19 claims
- 0269US4243533AFilters with filtrate chamber overflow partitions having plural outletsENSO GUTZEIT OY·Filed 1979·Granted Jan 6, 1981·29 cites·3 claims
- 0363US4762590ACausticizing processENSO GUTZEIT OY·Filed 1986·Granted Aug 9, 1988·12 cites·7 claims
- 0462US4264445APressurized filterENSO GUTZEIT OY·Filed 1979·Granted Apr 28, 1981·22 cites·2 claims
- 0557US5620596AFalling film cross filtration apparatusAHLSTROM MACHINERY OY·Filed 1994·Granted Apr 15, 1997·22 cites·19 claims
- 0656US5788813AClarifying and/or filtering of green liquor and an apparatus thereforeAHLSTROM MACHINERY OY·Filed 1995·Granted Aug 4, 1998·12 cites·18 claims
- 0750US5735331AMethod and apparatus for regulating the temperature in a chemical melt dissolving tankAHLSTROEM OY·Filed 1996·Granted Apr 7, 1998·7 cites·20 claims
- 0842US4627888ACausticizing methodENSO GUTZEIT OY·Filed 1984·Granted Dec 9, 1986·8 cites·4 claims
- 0941US5618443AClarification of green liquor by falling film cross-flow filtrationAHLSTROM MACHINERY OY·Filed 1995·Granted Apr 8, 1997·12 cites·30 claims
- 1026US4687583AProcedure for filtering lime sludge meant to be regenerated to limeENSO GUTZEIT OY·Filed 1986·Granted Aug 18, 1987·4 cites·5 claims
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