ClassID:

30102

B01D2201/302 - page 2 - CPC Classification

Classification description:

Details relating to filtering apparatus; Filter housing constructions; Details of removable closures, lids, caps, filter heads having inlet or outlet ports

Recent Application in this class:
#301
20160082372
2016-03-24

Fluid filter with localized flow attachment

#302
20160074783
2016-03-17

Push filter with floating key lock

#303
20160059165
2016-03-03

Latch reset filter unit

#304
20160038863
2016-02-11

Filter cartridge with integral lock ring

#305
20160023134
2016-01-28

Fluid filter assembly incorporating drawn down cover plate

#306
20160001204
2016-01-07

Liquid filter assembly, system and methods

#307
20150367263
2015-12-24

Liquid filter arrangement and methods

#308
20150300722
2015-10-22

Refrigerator

#309
20150290655
2015-10-15

Magnetic separator and release tool therefor

#310
20150290569
2015-10-15

Water filter assembly and a system for detecting liquid

#311
20150231532
2015-08-20

Portable filtration unit

#312
20150209711
2015-07-30

Purification column

#313
20150165448
2015-06-18

Separator device

#314
20150151220
2015-06-04

Separator device

#315
20150136685
2015-05-21

Filter cartridges for liquid filtration; assembly; and, methods

#316
20150136684
2015-05-21

Axially compact fuel filter

#317
20150122724
2015-05-07

Filtration system

#318
20150114895
2015-04-30

Filter unit

#319
20150076052
2015-03-19

Filter assembly

#320
20150048017
2015-02-19

Out-of-vat liquid filter for ensuring reliable connection of water pipe connector

#321
20150033689
2015-02-05

Filter system for filtering fluids

#322
20150014231
2015-01-15

Filtration assembly including a body, a head, a cartridge and means for retaining the cartridge on the head and the body, and corresponding filtration cartridge

#323
20140374335
2014-12-25

Water filter system

#324
20140353235
2014-12-04

Filter cartridge

#325
20140339146
2014-11-20

Filter alignment device

#326
20140238920
2014-08-28

Disposable filter cartridge for water dispenser

#327
20140231336
2014-08-21

Fuel filter assembly and cartridge

#328
20140202944
2014-07-24

Liquid filtration systems, components, and methods

#329
20140197087
2014-07-17

Fuel filter assembly and cartridge

#330
20140175004
2014-06-26

Fuel filter device

#331
20140175000
2014-06-26

Keyed system for connection of filter cartridge to filter holder

#332
20140174999
2014-06-26

Keyed system for connection of filter cartridge to filter holder

#333
20140166556
2014-06-19

Apparatus for filtering and/or conditioning and/or purifying a fluid such as water

#334
20140144822
2014-05-29

Filter unit with flow regulator

#335
20140144173
2014-05-29

Water filter

#336
20140144172
2014-05-29

Water filter with features for reduced spilling

#337
20140138292
2014-05-22

Electronic interface for water filtration system

#338
20140131290
2014-05-15

Filter housing for small media

#339
20140131265
2014-05-15

Customizable multi-stage water treatment assembly

#340
20140102967
2014-04-17

Fluid filter and head with quick connector

#341
20140069521
2014-03-13

Vessel attaching/removing device for conditioning apparatus

#342
20140048469
2014-02-20

Water filtering device

#343
20140021138
2014-01-23

Filtration system

#344
20140021118
2014-01-23

Fuel filtration system, filter exchange module therefor, and method of replacing fuel filters

#345
20130341261
2013-12-26

Filter cartridges and manifolds for linear motion installation

#346
20130334126
2013-12-19

In Line Top Opening Filter Housing Unit

#347
20130256207
2013-10-03

Liquid filter arrangement and methods

#348
20130256206
2013-10-03

Filter element, a filter set, and a filter device

#349
20130240431
2013-09-19

Filtration system

#350
20130220910
2013-08-29

Hot detachable and replaceable water filter assembly

#351
20130220909
2013-08-29

Water filter device having encoding structure

#352
20130186841
2013-07-25

Bagged filter cartridge, system and method

#353
20130081990
2013-04-04

Filter for filtering fluids, filter cup and filter head

#354
20130081989
2013-04-04

Liquid filtration systems, components, and methods

#355
20130068684
2013-03-21

FILTER UNIT

#356
20130068683
2013-03-21

FILTER UNIT

#357
20130068682
2013-03-21

Water filter system

#358
20130068681
2013-03-21

Water filter unit

#359
20130068672
2013-03-21

Electronic interface for water filter system

#360
20130068670
2013-03-21

Filter unit

#361
20130067718
2013-03-21

Method of installing a filter unit

#362
20130056409
2013-03-07

Spin-on filter without a nut plate

#363
20130031926
2013-02-07

Push filter with floating key lock

#364
20130015119
2013-01-17

Portable filtration unit

#365
20130001176
2013-01-03

FLUID FILTRATION SYSTEM WITH ROTATING FILTER ELEMENTS AND METHOD OF USING THE SAME

#366
20120325732
2012-12-27

Water filter cartridge system having a combined blending valve system in the candle and adjusting device in the head

#367
20120324938
2012-12-27

Water filter assembly and refrigerator and water purifier having the same

#368
20120318725
2012-12-20

Portable quick fit filter assembly

#369
20120285192
2012-11-15

Water filter assembly

#370
20120279916
2012-11-08

Filter cartridge with anti-drip feature

#371
20120267300
2012-10-25

Hydraulic filter with one-piece input end cap

#372
20120267294
2012-10-25

Inside-out flow filter with pressure recovery

#373
20120261325
2012-10-18

Filter Assembly Locking Mechanism and Method of Using Same

#374
20120261323
2012-10-18

Filter apparatus with torque limiting mechanism

#375
20120234770
2012-09-20

FILTER ASSEMBLY AND CONTROL SYSTEM

#376
20120228206
2012-09-13

Easy-fit filter device for a water purifier

#377
20120223002
2012-09-06

MODULAR FILTER CAPSULE APPARATUS

#378
20120205300
2012-08-16

Liquid filter assemblies; features; components; and, methods

#379
20120145625
2012-06-14

Liquid filter assembly; and, methods

#380
20120145621
2012-06-14

FLUID FILTRATION SYSTEM

#381
20120144854
2012-06-14

Push filter with floating key lock

#382
20120118812
2012-05-17

Filter cartridge for liquid filtration; assembly; and, methods

#383
20120031821
2012-02-09

Bypass valve for water filter system

#384
20110303591
2011-12-15

Filtering apparatus for treating ballast water

#385
20110303543
2011-12-15

Electrically enhanced filter cartridge and methods for its use

#386
20110297604
2011-12-08

Fluid interconnect

#387
20110247974
2011-10-13

Filtration system

#388
20110226688
2011-09-22

Liquid filter arrangements and methods

#389
20110220592
2011-09-15

Filtering methods and configurations

#390
20110220559
2011-09-15

Water purifying filter assembly module

#391
20110214272
2011-09-08

CANTER ELEMENT CONTROLLED COMBINATION MANIFOLD, VALVE AND FILTER MODULE SYSTEM

#392
20110203985
2011-08-25

KEYED SYSTEM FOR CONNECTION OF FILTER TO FILTER HOLDER

#393
20110192782
2011-08-11

Fluid filtration system

#394
20110174705
2011-07-21

Filter cartridge and system using linear actuation

#395
20110168613
2011-07-14

Filter assembly

#396
20110147297
2011-06-23

Filter

#397
20110139698
2011-06-16

Apparatus for treating water, particularly filter apparatus, and cartridge

#398
20110100893
2011-05-05

Filter system for filtering fluids

#399
20110089092
2011-04-21

Apparatus for filtering and/or conditioning and/or purifying a fluid such as water

#400
20110031181
2011-02-10

FUEL FILTER ASSEMBLY AND METHODS

#401
20110024343
2011-02-03

METHOD AND DEVICE FOR CONNECTING FILTER CARTRIDGE TO FILTER COVER BY USING INTERMEDIARY ELEMENT

#402
20110017650
2011-01-27

Method for purifying oil and apparatus therefor

#403
20100326928
2010-12-30

Filtration System

#404
20100307966
2010-12-09

Method of engaging a filter cartridge to a manifold and filter cartridge therefor

#405
20100307964
2010-12-09

Device for the treatment of water, in particular a filter device, and cartridge

#406
20100282341
2010-11-11

Filter device and filter element

#407
20100275633
2010-11-04

Water filter device and refrigerator having the same

#408
20100264078
2010-10-21

LATCH RESET FILTER UNIT

#409
20100229592
2010-09-16

Refrigerator

#410
20100200490
2010-08-12

Filter with localized flow attachment and filter head

#411
20100193044
2010-08-05

Method of purging a fluid line

#412
20100180423
2010-07-22

FREEZE RESISTANT WATER FILTER

#413
20100170857
2010-07-08

Apparatus for filtering and/or conditioning and/or purifying a fluid such as water

#414
20100170841
2010-07-08

Filter assembly, valve assembly, and water purifying system having the same

#415
20100170284
2010-07-08

Water filter device and refrigerator having the same

#416
20100163477
2010-07-01

Filter assembly

#417
20100147754
2010-06-17

Filtration assembly including a body, a head, a cartridge and means for retaining the cartridge on the head and the body, and corresponding filtration cartridge

#418
20100140158
2010-06-10

Water treatment apparatus with easy filter replacement construction

#419
20100140157
2010-06-10

Liquid filter arrangement and methods

#420
20100140156
2010-06-10

Modular fluid purification system and components thereof

#421
20100122952
2010-05-20

Filter cartridge centering device

#422
20100117842
2010-05-13

Contaminant Detection Unit

#423
20100116730
2010-05-13

Water filter cartridge and valve with autobypass feature

#424
20100116728
2010-05-13

Device for treating water, particularly a filtration device, and cartridge

#425
20100091395
2010-04-15

CORE MODULE WITH MULTIPLE LAYERS AND A WATER FILTER WITH THE CORE MODULE

#426
20100089812
2010-04-15

Filter cartridge assembly

#427
20100088873
2010-04-15

CANTER ELEMENT CONTROLLED COMBINATION MANIFOLD, VALVE AND FILTER MODULE SYSTEM

#428
20100064646
2010-03-18

Elliptical seal interface for filter assembly

#429
20100032361
2010-02-11

Filtration system incorporating modular one-piece end caps

#430
20100018912
2010-01-28

Water filter device having encoding structure

#431
20100000929
2010-01-07

System comprising a fluid treatment module and a support structure

#432
20100000919
2010-01-07

WATER PURIFICATION FILTER ASSEMBLY

#433
20090321340
2009-12-31

FILTER CARTRIDGE FOR USE WITH A FILTER HEAD ASSEMBLY

#434
20090301975
2009-12-10

Water purifier system and a filter element for such system

#435
20090289003
2009-11-26

Water treatment apparatus with easy filter replacement construction

#436
20090289000
2009-11-26

Water purification filter assembly

#437
20090236277
2009-09-24

Modular Drinking Water Filtration System with Internal Sealing Between Valve Spindle and Head

#438
20090236276
2009-09-24

Modular drinking water filtration system with adapter rings for replaceable cartridges to assure proper fit

#439
20090236271
2009-09-24

Modular drinking water filtration system with locking arrangement to assure filter cartridge compatibility

#440
20090200222
2009-08-13

System and method for filter containment

#441
20090200217
2009-08-13

WATER PURIFICATION FILTER ASSEMBLY

#442
20090184043
2009-07-23

Filtration module including unitary filter cartridge-bowl construction

#443
20090173675
2009-07-09

Water filter cartridge system having a combined blending valve system in the candle and adjusting device in the head

#444
20090166285
2009-07-02

Disengagement-preventing device for threading coupling of drinking water filter element

#445
20090114584
2009-05-07

Keyed system for connection of filter cartridge to filter holder

#446
20090101570
2009-04-23

Liquid filter

#447
20090095671
2009-04-16

Hot disconnect replaceable water filter assembly

#448
20090078624
2009-03-26

Locking filter assembly

#449
20090065451
2009-03-12

MANIFOLD AND FILTRATION SYSTEM

#450
20090065420
2009-03-12

Filter device

#451
20090057213
2009-03-05

Liquid filter assembly; and methods

#452
20090014381
2009-01-15

Fluid filter with localized flow attachment

#453
20080302712
2008-12-11

Liquid filtration device

#454
20080257816
2008-10-23

Structure of filter

#455
20080237924
2008-10-02

Filter cartridge and method of construction thereof

#456
20080237109
2008-10-02

Crossflow filtration system with quick dry change elements

#457
20080223775
2008-09-18

Water purifying device

#458
20080210622
2008-09-04

Method for Assembling a Water Filter Cartridge to a Water Dispensing Appliance

#459
20080185330
2008-08-07

Filter cartridges and methods

#460
20080142426
2008-06-19

Liquid filter arrangement and methods

#461
20080135501
2008-06-12

Modular fluid treatment apparatus and method

#462
20080093279
2008-04-24

Filter head

#463
20080087597
2008-04-17

Water-conditioning cartridge

#464
20080060992
2008-03-13

Filter device

#465
20080060983
2008-03-13

Filter Element and Associated Data Transmission Device

#466
20080047889
2008-02-28

Filter housing apparatus with rotating filter replacement mechanism

#467
20080041777
2008-02-21

Filter device having filter member easily changing structure

#468
20080029452
2008-02-07

Water purification apparatus

#469
20080000820
2008-01-03

Water Filter Cartridge and Valve with Autobypass Feature

#470
20070284296
2007-12-13

Filter cartridge and head assembly with internal shutoff valve

#471
20070278148
2007-12-06

Freeze resistant water filter

#472
20070271884
2007-11-29

Assembly for collecting material entrained in a gas stream

#473
20070262014
2007-11-15

Filtering apparatus and filter element

#474
20070262004
2007-11-15

Water Treatment Apparatus

#475
20070227959
2007-10-04

Filter cartridges and methods

#476
20070221583
2007-09-27

Canter element controlled combination manifold, valve and filter module system

#477
20070221561
2007-09-27

LIQUID FILTRATION SYSTEMS

#478
20070215535
2007-09-20

Quick-change filter and bracket system

#479
20070199886
2007-08-30

Water filtration system

#480
20070199880
2007-08-30

Water filter assembly

#481
20070199879
2007-08-30

Water filter assembly

#482
20070199876
2007-08-30

Fluid filtration system

#483
20070193936
2007-08-23

Filter alignment device

#484
20070187306
2007-08-16

Filter housing and parts therefor

#485
20070170110
2007-07-26

FILTRATION DEVICE FOR REPLACEABLE FILTER MEDIA

#486
20070119766
2007-05-31

Pressure vessel and recyclable filter cartridge

#487
20070107601
2007-05-17

Liquid filtration device

#488
20070090037
2007-04-26

Diesel filter

#489
20070034631
2007-02-15

Container having a detachable lid

#490
20070000833
2007-01-04

Modular fluid purification system and components thereof

#491
20070000829
2007-01-04

Twist and lock filter housing

#492
20060278576
2006-12-14

Filter cartridge construction

#493
20060278575
2006-12-14

Filter element for a liquid filter

#494
20060272995
2006-12-07

LOW SPILLAGE REPLACEABLE WATER FILTER ASSEMBLY

#495
20060272994
2006-12-07

Sealant filter

#496
20060261000
2006-11-23

Filter cartridge and method of construction thereof

#497
20060213821
2006-09-28

Water purification filter easily replaced by connector and water purification system using the same

#498
20060191827
2006-08-31

Water filter assembly for use in an appliance

#499
20060186030
2006-08-24

Filter flushing system and adapter

#500
20060175246
2006-08-10

Filter apparatus

#501
20060162305
2006-07-27

Keyed system for connection of filter cartridge to filter holder

#502
20060151378
2006-07-13

Fuel filter assembly for fuel delivery module

#503
20060113240
2006-06-01

Filter cartridge and manifold for a water purification system

#504
20060102546
2006-05-18

System comprising fluid treatment module and a support structure

#505
20060091062
2006-05-04

Filtering device

#506
20060091055
2006-05-04

Fluid filter apparatus and method

#507
20060091047
2006-05-04

Water purifying apparatuses

#508
20060081805
2006-04-20

Fluidic cartridges and end pieces thereof

#509
20060070961
2006-04-06

Liquid filtration device

#510
20060070942
2006-04-06

Water purifying apparatus

#511
20060049098
2006-03-09

Filter cover with a rapid assembled connector used in water inlet and water outlet of the filter cover

#512
20060021925
2006-02-02

Re-usable structure which attaches to the same filter head as originally intended to receive a throw-away spin-on

#513
20060016769
2006-01-26

Filter assembly and methods

#514
20060000761
2006-01-05

One-touch fitting type single or multiple adapter, filter assembly detachably engaged with the same and water purifying system employing these elements

#515
20050252848
2005-11-17

Filter element with off-axis end cap

#516
20050230304
2005-10-20

Filter for using in aerosol paint cans

#517
20050224407
2005-10-13

Filter cartridge for liquid filtration; assembly; and, methods

#518
20050218060
2005-10-06

Fluid filter apparatus and method

#519
20050218058
2005-10-06

Apparatus for removing pyrophoric catalyst

#520
20050199536
2005-09-15

Filter housing

#521
20050178714
2005-08-18

Filter cartridge construction

#522
20050178713
2005-08-18

Filter cartridge construction

#523
20050173319
2005-08-11

Crossflow filtration system with quick dry change elements

#524
20050167352
2005-08-04

Filter cartridge and manifold for a water purification system

#525
20050161394
2005-07-28

Freeze resistant water filter

#526
20050150304
2005-07-14

Differential pressure gauge for filter

#527
20050145577
2005-07-07

Liquid filtration device

#528
20050109409
2005-05-26

System and method for processing liquid

#529
20050092673
2005-05-05

Hot disconnect replaceable water filter assembly

#530
20050077253
2005-04-14

Drain structure having drainpipe and fluid filter using the same

#531
20050067342
2005-03-31

Rotary valve assembly for fluid filtration system

#532
20050045552
2005-03-03

Modular fluid treatment apparatus

#533
20050040097
2005-02-24

Dual-flow filter cartridge

#534
20050040095
2005-02-24

Filtration module including unitary filter cartridge-bowl construction

#535
20050035042
2005-02-17

Water filter cartridge

#536
20050029172
2005-02-10

Filter head and burner system incorporating same

#537
20050023206
2005-02-03

Water filter adapter with locking feature

#538
20050011825
2005-01-20

Filter device for garden ponds or similar

#539
20050011822
2005-01-20

Quick-change filter and bracket system

#540
20050000867
2005-01-06

Water filtering apparatus

#541
17832136
2022-11-01

Wet dry appliance

#542
17700314
2023-08-29

Pipeline filter

#543
17350146
2022-04-26

Pipeline filter

#544
17166182
2023-09-19

Portable liquid filter devices, systems and methods

#545
17154527
2021-10-26

Pipeline filter

#546
16864382
2020-10-06

Pipeline filter

#547
16022227
2020-03-17

Filter media cup with flow enhancing slits

#548
15933919
2018-07-03

Water filter system

#549
15293143
2018-01-16

Water treatment cartridge with sealable inlet and outlet to prevent leaks

#550
12081502
2017-10-10

Flow connector for connecting screw-type filtration head to lug-type sump