Assignee
ALFA LAVAL SEPARATION AB
SE·47 granted patents·1,204 citations·filing 1984–1997
Top patents by PatentIndex Score
47 records- 0187US5615776AMounting & tensioning arrangements for screensALFA LAVAL SEPARATION AB·Filed 1996·Granted Apr 1, 1997·85 cites·18 claims
- 0287US4950401ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1987·Granted Aug 21, 1990·50 cites·8 claims
- 0387US4820256ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1986·Granted Apr 11, 1989·70 cites·9 claims
- 0484US4721505ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1986·Granted Jan 26, 1988·38 cites·14 claims
- 0583US5202024ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1992·Granted Apr 13, 1993·59 cites·20 claims
- 0681US5896998AVibratory screening apparatusALFA LAVAL SEPARATION AB·Filed 1997·Granted Apr 27, 1999·59 cites·9 claims
- 0781US4861329ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1988·Granted Aug 29, 1989·40 cites·6 claims
- 0881US4729759ACentrifugal separator arranged for discharge of a separated product with a predetermined concentrationALFA LAVAL SEPARATION AB·Filed 1987·Granted Mar 8, 1988·45 cites·7 claims
- 0980US5720705AMethod for freeing a liquid from a substance dispersed therein and having a larger density than the liquidALFA LAVAL SEPARATION AB·Filed 1989·Granted Feb 24, 1998·31 cites·3 claims
- 1080US4925442AOperating system for centrifugal separatorALFA LAVAL SEPARATION AB·Filed 1987·Granted May 15, 1990·43 cites·7 claims
- 1180US4813923ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1988·Granted Mar 21, 1989·45 cites·14 claims
- 1279US4701158ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1986·Granted Oct 20, 1987·38 cites·8 claims
- 1378US5052996ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1989·Granted Oct 1, 1991·41 cites·12 claims
- 1476US4778444ARotatable supply and discharge conduit of a centrifugal separatorALFA LAVAL SEPARATION AB·Filed 1987·Granted Oct 18, 1988·32 cites·4 claims
- 1575US5362292ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1991·Granted Nov 8, 1994·36 cites·15 claims
- 1674US4759744ACentrifugal separator with recirculation of separated sludgeALFA LAVAL SEPARATION AB·Filed 1987·Granted Jul 26, 1988·35 cites·6 claims
- 1772US4629564ACentrifugal separator with annular sealing means arranged around the rotor outlet for separated liquidALFA LAVAL SEPARATION AB·Filed 1985·Granted Dec 16, 1986·43 cites·10 claims
- 1869US5045049ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1989·Granted Sep 3, 1991·29 cites·5 claims
- 1969US4654023AMechanical seal for casing of centrifugal separatorsALFA LAVAL SEPARATION AB·Filed 1985·Granted Mar 31, 1987·32 cites·6 claims
- 2069US4547185ABalancing of centrifuge rotorsALFA LAVAL SEPARATION AB·Filed 1984·Granted Oct 15, 1985·23 cites·8 claims
- 2168US4698053ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1986·Granted Oct 6, 1987·25 cites·10 claims
- 2261US5735789ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1995·Granted Apr 7, 1998·25 cites·14 claims
- 2361US4710159ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1985·Granted Dec 1, 1987·24 cites·5 claims
- 2458US4930412ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1988·Granted Jun 5, 1990·17 cites·10 claims
- 2552US5518494ACentrifugal separator with air entrainment suppressionALFA LAVAL SEPARATION AB·Filed 1995·Granted May 21, 1996·16 cites·7 claims
- 2652US4536285AAssembly comprising a vortex fluidic device for separating a mixture of a liquid phase and a relatively heavy, solid phaseALFA LAVAL SEPARATION AB·Filed 1984·Granted Aug 20, 1985·14 cites·3 claims
- 2752US4510052AOperating system for centrifugal separatorsALFA LAVAL SEPARATION AB·Filed 1984·Granted Apr 9, 1985·19 cites·6 claims
- 2850US6004255ADecanter centrifugeALFA LAVAL SEPARATION AB·Filed 1996·Granted Dec 21, 1999·14 cites·15 claims
- 2949US5976357APurification of oilALFA LAVAL SEPARATION AB·Filed 1997·Granted Nov 2, 1999·17 cites·10 claims
- 3049US5709643ACentrifugal separator for entraining a separated liquid with minimal air mixtureALFA LAVAL SEPARATION AB·Filed 1994·Granted Jan 20, 1998·13 cites·22 claims
- 3149US5405307ACentrifugal separator with a paring deviceALFA LAVAL SEPARATION AB·Filed 1993·Granted Apr 11, 1995·13 cites·6 claims
- 3249US4556331ASuspension device for rotary spindleALFA LAVAL SEPARATION AB·Filed 1984·Granted Dec 3, 1985·15 cites·6 claims
- 3348US5599271AMethod of regulating the outlet flow of a liquid separated in a centrifugal separator and a centrifugal separator to carry out the methodALFA LAVAL SEPARATION AB·Filed 1994·Granted Feb 4, 1997·16 cites·9 claims
- 3447US5733239APlant for freeing a liquid from a substance dispersed therein and having a larger density than the liquidALFA LAVAL SEPARATION AB·Filed 1994·Granted Mar 31, 1998·10 cites·16 claims
- 3547USD335294SCentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1990·Granted May 4, 1993·10 cites·1 claims
- 3647US4643708ACentrifuge operating systemALFA LAVAL SEPARATION AB·Filed 1985·Granted Feb 17, 1987·12 cites·4 claims
- 3746US4978370AMethod and apparatus for reduction of the pressure in a liquid mixtureALFA LAVAL SEPARATION AB·Filed 1987·Granted Dec 18, 1990·11 cites·9 claims
- 3845US5160311ACentrifugal separator having a device for the transformation of kinetic energy to pressure energyALFA LAVAL SEPARATION AB·Filed 1990·Granted Nov 3, 1992·11 cites·32 claims
- 3945US4915682ACentrifugal separatorALFA LAVAL SEPARATION AB·Filed 1988·Granted Apr 10, 1990·10 cites·10 claims
- 4041US4636319AMaintaining closing-liquid level in centrifuges, for operating slide valvesALFA LAVAL SEPARATION AB·Filed 1985·Granted Jan 13, 1987·8 cites·4 claims
- 4140US5147280AEnergy transformation deviceALFA LAVAL SEPARATION AB·Filed 1990·Granted Sep 15, 1992·8 cites·18 claims
- 4237US4800367AMethod of sensing and indicating errors in a dosing circuitALFA LAVAL SEPARATION AB·Filed 1986·Granted Jan 24, 1989·7 cites·11 claims
- 4336US5024648ACentrifugal separator with a discharge deviceALFA LAVAL SEPARATION AB·Filed 1988·Granted Jun 18, 1991·5 cites·20 claims
- 4429US5611919APurification of industrial lubricating agentsALFA LAVAL SEPARATION AB·Filed 1994·Granted Mar 18, 1997·3 cites·6 claims
- 4528US4575263ABearing deviceALFA LAVAL SEPARATION AB·Filed 1984·Granted Mar 11, 1986·4 cites·10 claims
- 4623US5876608APurification methodALFA LAVAL SEPARATION AB·Filed 1994·Granted Mar 2, 1999·0 cites·11 claims
- 4716US5160309ACentrifugal separator with pumping means, arranged to accomplish a circulating flowALFA LAVAL SEPARATION AB·Filed 1989·Granted Nov 3, 1992·3 cites·12 claims
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