ClassID:

28988

B01D27/106 - CPC Classification

Classification description:

Cartridge filters of the throw-away type; Safety devices, e.g. by-passes Anti-leakage or anti-return valves

Recent Application in this class:
#1
20250083074
2025-03-13

QUICK OIL CHANGE FILTER AND ASSEMBLY

#2
20230373818
2023-11-23

A WATER TREATMENT CARTRIDGE FOR A WATER TREATMENT DEVICE, A HEAD OF A WATER TREATMENT DEVICE AND A WATER TREATMENT DEVICE COMPRISING SUCH A CARTRIDGE AND SUCH A HEAD

#3
20230279794
2023-09-07

HIGH CAPACITY OIL FILTER

#4
20230173412
2023-06-08

Quick oil change filter and assembly

#5
20230149837
2023-05-18

FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING

#6
20230139571
2023-05-04

Water filtration system and method

#7
20230122433
2023-04-20

Water purifier with leakproof function

#8
20230069995
2023-03-09

OIL FILTER HOUSING

#9
20220258082
2022-08-18

Torsional No Filter No Run System and Method

#10
20210023480
2021-01-28

Quick oil change filter and assembly

#11
20200282342
2020-09-10

Filter device, in particular liquid filter

#12
20200261832
2020-08-20

Water purifier structure

#13
20200230533
2020-07-23

Filter device

#14
20200230529
2020-07-23

Filter device

#15
20200155978
2020-05-21

WATER PURIFYING FILTER CARTRIDGE STRUCTURE

#16
20200078709
2020-03-12

FLUID FILTER ASSEMBLY WITH AN IMPROVED VALVE ASSEMBLY

#17
20200047095
2020-02-13

Filtration system with rotating core driving thimble opening and closing water passage

#18
20190168142
2019-06-06

DIESEL FUEL PRE-FILTERING SYSTEM

#19
20190111361
2019-04-18

Anti-drainback valves, flex tube assemblies including the same, and dual outlet fluid filter including the same

#20
20190046905
2019-02-14

Torsional no filter no run system and method

#21
20180229164
2018-08-16

Filter of a filter device for filtering fluid and filter head of a filter device

#22
20180111071
2018-04-26

Fluid flow controller and filter assembly with fluid flow controller

#23
20180036659
2018-02-08

Water filtration system and method

#24
20170304753
2017-10-26

Pressure sensitive valve assembly incorporating enhanced retention legs and fluid filter comprising the same

#25
20170252678
2017-09-07

Filter cartridge

#26
20170197159
2017-07-13

Water stoppage structure utilized in a water purifier filter core

#27
20170189838
2017-07-06

Filter element, filter, and filter system with return line bypass

#28
20170122152
2017-05-04

High capacity oil filter

#29
20170120167
2017-05-04

Filter device, in particular liquid filter

#30
20170120166
2017-05-04

Filter device, in particular liquid filter

#31
20170014734
2017-01-19

FLUID FILTER SYSTEM

#32
20160346717
2016-12-01

Modular filter capsule apparatus

#33
20160325212
2016-11-10

Filter element

#34
20160303497
2016-10-20

Fluid filter and relief valve assembly

#35
20160146360
2016-05-26

Pressure sensitive valve assembly incorporating enhanced retention legs and fluid filter including the same

#36
20160069232
2016-03-10

Filter device

#37
20150265948
2015-09-24

REINFORCED OIL FILTER CHECK VALVE

#38
20150238885
2015-08-27

Fluid flow controller and filter assembly with fluid flow controller

#39
20150001140
2015-01-01

Water filtration system and method

#40
20140110331
2014-04-24

WATER FILTER CARTRIDGE WITH VALVES

#41
20130334147
2013-12-19

Fluid filter system

#42
20130306540
2013-11-21

No filter no run fluid filtration system

#43
20130299398
2013-11-14

Filtering system for motor oil of an internal combustion engine and replaceable filter of a filtering system

#44
20130292322
2013-11-07

Filter element of a filter device and filter device

#45
20130264265
2013-10-10

Modular filter capsule apparatus

#46
20130233400
2013-09-12

Filter device

#47
20130033006
2013-02-07

Fluid filter system

#48
20120261324
2012-10-18

Oil filtering device

#49
20120217196
2012-08-30

Exchangeable Filter Element, Filter Part Fixed with Respect to System, and Filter System

#50
20120211412
2012-08-23

Filter cartridge

#51
20120168365
2012-07-05

Filter device

#52
20120160756
2012-06-28

Filter device

#53
20120080369
2012-04-05

SPOOL VALVE MANIFOLD INTERCONNECT FOR A FILTER SYSTEM

#54
20110084032
2011-04-14

Additive dispersing filter and method of making

#55
20110036766
2011-02-17

Fluid filter

#56
20110020176
2011-01-27

Vessel treatment machine

#57
20110005988
2011-01-13

KEYED FILTER ASSEMBLY

#58
20100288687
2010-11-18

KEYED FILTER ASSEMBLY

#59
20100276358
2010-11-04

No filter no run fluid filtration system

#60
20100193417
2010-08-05

Exchangeable Filter

#61
20100059427
2010-03-11

Filtering System, in Particular for Filtering Liquids in Internal Combustion Engines

#62
20100059024
2010-03-11

Vehicle fuel supply device and fuel filter structure

#63
20090301949
2009-12-10

Filtering system, in particular for filtering liquids in internal combustion engines

#64
20090211955
2009-08-27

Anti-drainback valve with position positive locking for spin-on oil and fuel filters

#65
20090178964
2009-07-16

One piece combination anti-drain back and relief valve

#66
20090178963
2009-07-16

Two part resilient combination bottom support and relief valve end seal assembly for fluid filters

#67
20090178962
2009-07-16

Single piece resilient combination bottom support and relief valve end seal element for fluid filters

#68
20090127198
2009-05-21

Fluid filter system

#69
20090127170
2009-05-21

Filter device, especially for filtering liquids in internal combustion engines

#70
20090095665
2009-04-16

Anti-Drainback Valve For An Oil Filter

#71
20090020470
2009-01-22

Keyed filter assembly

#72
20090008322
2009-01-08

Filter element

#73
20080264850
2008-10-30

Filter Device, Especially for Filtering Liquids in Internal Combustion Engines

#74
20080197063
2008-08-21

Fluid Flow Interruption Means for Filter of Water Purifier

#75
20080179238
2008-07-31

Liquid filter cartridge, and an engine subassembly including such a cartridge

#76
20080156720
2008-07-03

CHRYSANTHEMUM-SHAPED ELEMENT AND METHOD FOR MANUFACTURING THE SAME, FILTER BODY AND FLUID FILTER

#77
20080142427
2008-06-19

Use of non-metallic load devices in liquid filters

#78
20080099407
2008-05-01

Additive dispersing filter and method of making

#79
20080087590
2008-04-17

Integrated fluid valve assembly

#80
20080060991
2008-03-13

Combination valve including anti-drainback valve with slits

#81
20070246417
2007-10-25

Height adjustable center tube and guide for a filter cartridge assembly

#82
20070246409
2007-10-25

Filter anti-drainback valve and media pack seal

#83
20070235375
2007-10-11

Filter with combination valve having elongated openings in the end plate

#84
20070235374
2007-10-11

Filter relief valve and filter cartridge assembly seal

#85
20070187339
2007-08-16

Drain receptacle for a fluid filter system

#86
20070187316
2007-08-16

Oil filter assembly

#87
20070187308
2007-08-16

Pressure relief valve for fluid filter system

#88
20070170101
2007-07-26

Filter having anti-drainback valve and bypass valve

#89
20070163931
2007-07-19

Plastic relief valve housing with anti-drain back valve

#90
20070080105
2007-04-12

Metal-free combination relief and anti-drain back valves for fluid filters

#91
20060254971
2006-11-16

Spool valve manifold interconnect for a filter system

#92
20060207921
2006-09-21

Fluid filter assembly with concave surface in the closed end of the housing

#93
20060201858
2006-09-14

Fluid filter assembly having a combination valve

#94
20060157394
2006-07-20

Replaceable liquid filter

#95
20060131225
2006-06-22

Liquid filter

#96
20060118475
2006-06-08

Base for internal combustion engine filter cartridge

#97
20060113227
2006-06-01

One-piece flow control valve for fluid filter assembly

#98
20060102548
2006-05-18

Fluid filter assembly with notched case

#99
20050252841
2005-11-17

Keyed filter assembly

#100
20050242012
2005-11-03

One-piece anti-drain back valve allowing relief valve flow

#101
20050161378
2005-07-28

Two piece elastomer relief and anti-drain back valves for filter

#102
20050103692
2005-05-19

Fluid filter assembly

#103
20050077231
2005-04-14

Oil filter gasket with flap

#104
20050077220
2005-04-14

Valve and spring for fluid filter

#105
20050067342
2005-03-31

Rotary valve assembly for fluid filtration system

#106
20050040092
2005-02-24

Additive dispersing filter and method of making

#107
20050040088
2005-02-24

One piece elastomer relief and anti-drain back valves for fluid filter

#108
13618943
2015-12-22

Apparatus for filtering and/or purifying water of a potable water distribution system, such as a potable water distribution system for aircraft, said apparatus providing water boiler expansion pressure relief