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Class Information
Number: 210/456
Name: Liquid purification or separation > Filter > Prefilt flow distributor or diverter
Description: Apparatus in which the prefilt passes into contact with an imperforate member which serves as a flow restrictor, diverter or distributor for the prefilt, usually to absorb the force of the incoming prefilt or prevent swirling.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8678200 Apparatus and method for de-watering of slurries Mar. 25, 2014
8673149 Liquid filter assembly Mar. 18, 2014
8668092 System and method for uniformly distributing a fluid through a filter bed in a filter Mar. 11, 2014
8647503 Filter assembly for fuel supply to actuators and fuel control system of aircraft engine and method Feb. 11, 2014
8591739 Molecular separator Nov. 26, 2013
8557121 Modular systems and methods for collecting and containing oil spills Oct. 15, 2013
8540080 Fluid filter system Sep. 24, 2013
8517183 No filter no run fluid filtration system Aug. 27, 2013
8518254 Coolant demineralizer for a fuel cell vehicle Aug. 27, 2013
8505741 Water filter cartridge system having a combined blending valve system in the candle and adjusting device in the head Aug. 13, 2013
8496821 Systems and methods for filtering fuel Jul. 30, 2013
8480896 Scavenging filter Jul. 9, 2013
8460545 Canister filter system with drain that cooperates with filter element Jun. 11, 2013
8419938 Fluid filter system Apr. 16, 2013
8409311 Filtering device Apr. 2, 2013
8404110 Apparatus for diverting rainwater Mar. 26, 2013
8388834 Fuel filter Mar. 5, 2013
8387804 Diffusion and/or filtration device Mar. 5, 2013
8377303 Membrane cartridge Feb. 19, 2013
8349181 Filter cartridge, in particular for purifying dental waste waters Jan. 8, 2013
8349183 Water conditioner assembly Jan. 8, 2013
8337698 Spiral wound reverse osmosis membrane element Dec. 25, 2012
8333892 Quick connect modular water purification system Dec. 18, 2012
8307991 Hollow fiber membrane module Nov. 13, 2012
8308943 Hollow fiber membrane module and fuel cell system Nov. 13, 2012
8297448 Screen intake device for shallow water Oct. 30, 2012
8298417 Integrated apparatus and system for the treatment of waste fluids and drain networks Oct. 30, 2012
8292089 Helical support structure for intake screens Oct. 23, 2012
8293116 Liquid accelerator apparatus Oct. 23, 2012
8282825 Cylindrical inline fluids filter Oct. 9, 2012
8277656 Filter device Oct. 2, 2012
8277655 Fluid filtering with contaminant removal Oct. 2, 2012
8272516 Fluid filter system Sep. 25, 2012
8252173 Water filter cartridge system having a combined blending valve system in the candle and adjusting device in the head Aug. 28, 2012
8241496 Filter device and method of producing the same Aug. 14, 2012
8235220 Separator and separator cartridge Aug. 7, 2012
8226827 Filtration assemblies and methods of installing filtration units in filtration assemblies Jul. 24, 2012
8197688 Hollow fiber membrane module Jun. 12, 2012
8182676 Wastewater effluent filter case with gas baffle May. 22, 2012
8162870 Blood filter device and method of producing the same Apr. 24, 2012
8128824 Filter module Mar. 6, 2012
8114287 Surface purveyed filtration device Feb. 14, 2012
8097051 Separator for liquids, in particular condensate, from liquid-loaded compressed gases Jan. 17, 2012
8097155 Above ground water clarifier Jan. 17, 2012
8069991 System and method for liquid filtration with reduced hold-up volume Dec. 6, 2011
8048299 Crossflow pressure liquid filtration with ultrasonic enhancement Nov. 1, 2011
8033058 Apparatus for diverting rainwater Oct. 11, 2011
8017009 Fuel filter Sep. 13, 2011
8016121 Droplet separator system Sep. 13, 2011
8002982 Deflector for a water/wastewater filtration tank Aug. 23, 2011

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