Assignee
FARREL CORP
US·26 granted patents·1 pending application·555 citations·filing 1984–2013
Top patents by PatentIndex Score
27 records- 0185US7404664B2Keel type ram for use in internal batch mixers with tangential rotorsFARREL CORP·Filed 2006·Granted Jul 29, 2008·21 cites·8 claims
- 0284US5487602AMulti-screw, extrusion-compounding machine with modular mixing elementsFARREL CORP·Filed 1994·Granted Jan 30, 1996·68 cites·22 claims
- 0382US4744668AInternal batch mixing machines with non-intermeshing rotors of increased performanceFARREL CORP·Filed 1986·Granted May 17, 1988·47 cites·30 claims
- 0481US4626111ASelf-compensating anti-friction bearing clearance deviceFARREL CORP·Filed 1985·Granted Dec 2, 1986·41 cites·2 claims
- 0579US4640672AModular extruder barrel constructionFARREL CORP·Filed 1984·Granted Feb 3, 1987·39 cites·5 claims
- 0674US6494607B2Four wing, non-intermeshing rotors for synchronous drive to provide improved dispersive and distributive mixing in internal batch mixersFARREL CORP·Filed 2001·Granted Dec 17, 2002·19 cites·34 claims
- 0774US5267788AMulti-screw, continuous mixing and kneading machine with polygonal kneading elements for plasticizable compoundsFARREL CORP·Filed 1992·Granted Dec 7, 1993·40 cites·19 claims
- 0874US4834543AOptimized four-wing, non-intermeshing rotors for synchronous drive at optimum phase relation in internal batch mixing machinesFARREL CORP·Filed 1988·Granted May 30, 1989·33 cites·16 claims
- 0974US4830506AControl system for ram fed mixing machineFARREL CORP·Filed 1986·Granted May 16, 1989·34 cites·25 claims
- 1066US4714350ATwo-wing non-intermeshing rotors of increased performance for use in internal batch mixing machinesFARREL CORP·Filed 1986·Granted Dec 22, 1987·24 cites·11 claims
- 1164US5180225ARotor zone cooling apparatus for rotors in continuous mixers of plastic materialsFARREL CORP·Filed 1991·Granted Jan 19, 1993·29 cites·22 claims
- 1263US5480252ACoupling mechanism for quickly axially aligning rotor to journalsFARREL CORP·Filed 1995·Granted Jan 2, 1996·26 cites·24 claims
- 1361US4893936AMixing machine with non-intermeshing pair of rotors driven solely at the same rotor speed in opposite directions and having a predetermined rotational alignment relationship between the two counter-rotating rotorsFARREL CORP·Filed 1986·Granted Jan 16, 1990·22 cites·9 claims
- 1460US5382089AConvenient access for clean-out and maintenance of mixing chamber and both rotors in two-rotor continuous mixers for plastic materialsFARREL CORP·Filed 1991·Granted Jan 17, 1995·20 cites·11 claims
- 1553US4720254AScrew extrudersFARREL CORP·Filed 1986·Granted Jan 19, 1988·14 cites·2 claims
- 1649US5273356ARotor zone cooling method and apparatus for rotors in continuous mixers of plastic materialsFARREL CORP·Filed 1992·Granted Dec 28, 1993·19 cites·12 claims
- 1744US2008239866A1Keel type ram for use in internal batch mixers with tangential rotorsFARREL CORP·Filed 2008·Application pending·0 cites
- 1841US5259671AGreased journal bearing assemblies with thermal isolation and cooling in continuous mixers of plastic materialsFARREL CORP·Filed 1991·Granted Nov 9, 1993·14 cites·8 claims
- 1938US9709172B2Rotor shaft seal assemblyFARREL CORP·Filed 2013·Granted Jul 18, 2017·0 cites·21 claims
- 2037US5526566AMethod of making rotors for two-rotor continuous mixers and method of assemblyFARREL CORP·Filed 1995·Granted Jun 18, 1996·6 cites·9 claims
- 2137US5261740AOne-piece cylindrical extruder barrel assembled with eccentric converging hopper for receiving molten plastic materialsFARREL CORP·Filed 1991·Granted Nov 16, 1993·10 cites·3 claims
- 2237US4714422ARotary plasticator screw injection machineFARREL CORP·Filed 1985·Granted Dec 22, 1987·11 cites·8 claims
- 2336US5415492ACoupling mechanism for quickly axially aligning rotor to journalsFARREL CORP·Filed 1993·Granted May 16, 1995·5 cites·14 claims
- 2428US5143734AAdjustable converging extruder hopperFARREL CORP·Filed 1991·Granted Sep 1, 1992·5 cites·27 claims
- 2527US5259688AQuick-disconnect couplings for three-piece rotors in continuous mixers for plastic materialsFARREL CORP·Filed 1991·Granted Nov 9, 1993·2 cites·16 claims
- 2627US4711581ARotary processor for plastic and polymeric materials providing surge compensationFARREL CORP·Filed 1987·Granted Dec 8, 1987·2 cites·26 claims
- 2725US4645418AFluid pumpFARREL CORP·Filed 1985·Granted Feb 24, 1987·4 cites·21 claims
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