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FARREL CORP

Overview
  • Total Patents
    303
About

FARREL CORP has a total of 303 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, machine tools and mechanical elements are KUNSHAN KESUN RUBBER & PLASTIC, HONDA MACHINERY WORKS and KESTERMANN MASCHF ROLF.

Patent filings per year

Chart showing FARREL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mosher Douglas E 25
#2 Nortey Narku O 25
#3 Kearney Michael R 21
#4 Valsamis Lefteris N 15
#5 Poscich Douglas V 15
#6 Borzenski Frank 14
#7 Canedo Eduardo L 10
#8 Swilling William H Jr 10
#9 Parrella Alfred T 9
#10 Pereira Jose M 9

Latest patents

Publication Filing date Title
CN105793626A Rotor shaft seal assembly
US2015152966A1 Rotor shaft seal assembly
US2008239866A1 Keel type ram for use in internal batch mixers with tangential rotors
US2007177450A1 Keel type ram for use in internal batch mixers with tangential rotors
US6494607B2 Four wing, non-intermeshing rotors for synchronous drive to provide improved dispersive and distributive mixing in internal batch mixers
US5487602A Multi-screw, extrusion-compounding machine with modular mixing elements
US5415492A Coupling mechanism for quickly axially aligning rotor to journals
US5273356A Rotor zone cooling method and apparatus for rotors in continuous mixers of plastic materials
US5267788A Multi-screw, continuous mixing and kneading machine with polygonal kneading elements for plasticizable compounds
US5180225A Rotor zone cooling apparatus for rotors in continuous mixers of plastic materials
US5259688A Quick-disconnect couplings for three-piece rotors in continuous mixers for plastic materials
US5259671A Greased journal bearing assemblies with thermal isolation and cooling in continuous mixers of plastic materials
US5382089A Convenient access for clean-out and maintenance of mixing chamber and both rotors in two-rotor continuous mixers for plastic materials
US5261740A One-piece cylindrical extruder barrel assembled with eccentric converging hopper for receiving molten plastic materials
US5143734A Adjustable converging extruder hopper
US4834543A Optimized four-wing, non-intermeshing rotors for synchronous drive at optimum phase relation in internal batch mixing machines
US4711581A Rotary processor for plastic and polymeric materials providing surge compensation
US4714350A Two-wing non-intermeshing rotors of increased performance for use in internal batch mixing machines
CA1262481A Control system and method for continuous mixer with moving surface discharge device
US4744668A Internal batch mixing machines with non-intermeshing rotors of increased performance