ClassID:

30112

B01D2201/316 - CPC Classification

Classification description:

Details relating to filtering apparatus; Other construction details Standpipes

Recent Application in this class:
#1
20260042040
2026-02-12

FUEL FILTER

#2
20250345726
2025-11-13

ENCLOSED MEDIA FLUID FILTRATION DEVICE

#3
20250235804
2025-07-24

Quick Change Oil Filter

#4
20250186911
2025-06-12

FILTER CARTRIDGE WITH OFFSET OUTLET AND INTEGRATED BYPASS

#5
20250177893
2025-06-05

ENDPLATE WITH GUIDE FEATURE

#6
20250083074
2025-03-13

QUICK OIL CHANGE FILTER AND ASSEMBLY

#7
20250050249
2025-02-13

FILTRATION SYSTEM WITH IMPROVED STANDPIPE DESIGN

#8
20250017433
2025-01-16

WET DRY APPLIANCE

#9
20250001329
2025-01-02

FILTER SYSTEM WITH FLANGED FILTER CARTRIDGE

#10
20240299868
2024-09-12

FILTER DEVICE

#11
20240139665
2024-05-02

FILTER CONTAINER SYSTEM HAVING AN AIR-BLEEDING MECHANISM

#12
20230364533
2023-11-16

FUEL FILTER PASSAGE FOR DOWNWARD FUEL FLOW DIRECTION

#13
20230337884
2023-10-26

RECOVERY TANK

#14
20230313715
2023-10-05

Oil filter housing and system

#15
20230264122
2023-08-24

Filter element having flow directing tube and standpipe and filter systems including the filter element

#16
20230219020
2023-07-13

FILTER ELEMENT

#17
20230173412
2023-06-08

Quick oil change filter and assembly

#18
20230172416
2023-06-08

Wet dry appliance

#19
20230172408
2023-06-08

Wet dry appliance

#20
20230050414
2023-02-16

ENDPLATE WITH GUIDE FEATURE

#21
20220347608
2022-11-03

Fuel filter cartridge with keyed profile

#22
20220314149
2022-10-06

Filter element with air-bleed conduit

#23
20220305415
2022-09-29

Filter System and Filter Element

#24
20220249989
2022-08-11

Quick change oil filter

#25
20220161163
2022-05-26

Fuel filter passage for downward fuel flow direction

#26
20220134260
2022-05-05

Enclosed media fluid filtration device

#27
20220088509
2022-03-24

Filter cartridge, filter assembly, and methods

#28
20210379515
2021-12-09

Filter cartridge having air vent with restriction, assemblies, and methods

#29
20210355896
2021-11-18

Filter element with air-bleed conduit

#30
20210291089
2021-09-23

Endplate with guide feature

#31
20210268411
2021-09-02

LIQUID FILTER ASSEMBLY

#32
20210229002
2021-07-29

Enclosed media fluid filtration device

#33
20210170314
2021-06-10

Fuel filter cartridge with keyed profile

#34
20210138376
2021-05-13

Endplate with guide feature

#35
20210138366
2021-05-13

Filter element

#36
20210062692
2021-03-04

Plural circuit oil filter

#37
20210031128
2021-02-04

Filter element with air-bleed conduit

#38
20210023480
2021-01-28

Quick oil change filter and assembly

#39
20200406176
2020-12-31

Fuel filter

#40
20200406172
2020-12-31

Water filtering and recycling system for ice making appliance

#41
20200406170
2020-12-31

Filter device

#42
20200391140
2020-12-17

Filter element

#43
20200346141
2020-11-05

Filter cartridge and/or multiple-diameter multiple stage filter coalescer separator

#44
20200179844
2020-06-11

Liquid filter assembly

#45
20200155976
2020-05-21

Enclosed media fluid filtration device

#46
20200147525
2020-05-14

Methods for removal and replacement of a filter element cartridge including an attachment member

#47
20200038789
2020-02-06

Filter cartridge and/or multiple-diameter multiple stage filter coalescer separator

#48
20190388814
2019-12-26

Valve-sensor assembly

#49
20190262751
2019-08-29

Filter system and filter element

#50
20190203674
2019-07-04

Filter element and associated filter apparatus

#51
20190176061
2019-06-13

Filter center tube with standpipe and flow fins

#52
20190162140
2019-05-30

Filter element

#53
20190145294
2019-05-16

Filter for filtering liquids and filter element of such a filter

#54
20190060802
2019-02-28

Filter element for a vehicle

#55
20190030471
2019-01-31

Fuel filter and mounting support of which the outlet is sealed by a valve in case of removal of a filter insert

#56
20190030469
2019-01-31

Fluid filter with a valve unit

#57
20190030466
2019-01-31

Fluid filter comprising a housing and a central vertical pipe that forms a fluid outlet

#58
20190009192
2019-01-10

Composite filter cartridge

#59
20180333663
2018-11-22

Filter element of a fluid filter and fluid filter

#60
20180326333
2018-11-15

Fluid filter and filter insert for the same

#61
20180200652
2018-07-19

Filter Element With Offset Fluid Passage

#62
20180193780
2018-07-12

Spin-on filter using snap-fit

#63
20180133631
2018-05-17

Systems and methods for servicing a fluid filtration system

#64
20180126309
2018-05-10

Standpipe with flow restriction valve, and filter cartridge

#65
20180078879
2018-03-22

Enclosed media fluid filtration device

#66
20180065067
2018-03-08

Filter having a filter bypass valve, and filter cartridge therefor

#67
20170361249
2017-12-21

Filter center tube with standpipe and flow fins

#68
20170274303
2017-09-28

Quick change oil filter

#69
20170274301
2017-09-28

Filter assembly including an attachment member for a removable filter cartridge

#70
20170204821
2017-07-20

Fluid filter cartridge, fluid filter arrangement, and method for servicing a fluid filter arrangement

#71
20170144089
2017-05-25

Filter having a filter cartridge, and corresponding filter cartridge

#72
20170128862
2017-05-11

Gasket having an integral drain

#73
20170106317
2017-04-20

Filter element with air-bleed conduit

#74
20170106314
2017-04-20

Filter element with air-bleed conduit

#75
20170087490
2017-03-30

Filter device

#76
20160243472
2016-08-25

Backwashing fluid discharge apparatus and filter unit

#77
20160222931
2016-08-04

Fuel water separator filter

#78
20160076497
2016-03-17

Filter element

#79
20160076496
2016-03-17

Filter element and filter system having a filter element

#80
20160023143
2016-01-28

Gas-evacuating filter

#81
20160001206
2016-01-07

Fluid filter with replaceable filter insert

#82
20150219049
2015-08-06

Method of filtering fuel

#83
20150096931
2015-04-09

Filter element with undulating seal

#84
20150053603
2015-02-26

Filtration apparatus

#85
20150001144
2015-01-01

No filter no run fluid filtration system

#86
20140366494
2014-12-18

Filter with a replaceable filter insert

#87
20140284266
2014-09-25

Filter assembly

#88
20140190881
2014-07-10

Liquid filter having a drainage valve

#89
20140183116
2014-07-03

Liquid filter with an eccentric liquid discharge channel

#90
20140166570
2014-06-19

Fluid filter element

#91
20140102966
2014-04-17

Spa Filter Bypass

#92
20140083951
2014-03-27

Filter having a filter cartridge, and corresponding filter cartridge

#93
20140083928
2014-03-27

Hollow cylindrical filter element for a liquid filter

#94
20140034566
2014-02-06

Filter element with a combined endplate/lid with a central hole

#95
20140021119
2014-01-23

Filter assembly including a removable filter cartridge

#96
20130306540
2013-11-21

No filter no run fluid filtration system

#97
20130269533
2013-10-17

Filter element with automatic air bleeding

#98
20130228503
2013-09-05

Fluid filter with replaceable filter insert

#99
20130180898
2013-07-18

Fluid filter assembly with a filter cartridge and housing interface

#100
20130098824
2013-04-25

Filter device, in particular liquid filter

#101
20130068702
2013-03-21

Fuel filter with snorkel vent

#102
20130062270
2013-03-14

Filter appliance

#103
20120267293
2012-10-25

Liquid filter

#104
20120228211
2012-09-13

NONCIRCULAR REPLACEABLE FUEL FILTER ELEMENTS AND SYSTEMS INCLUDING THE SAME

#105
20120187038
2012-07-26

PRESSURE FILTER DEVICE

#106
20120168359
2012-07-05

Vented liquid filter vented through media

#107
20120160749
2012-06-28

FILTER GROUP FOR DIESEL-POWERED INTERNAL COMBUSTION ENGINES WITH A HEATER DEVICE

#108
20120037549
2012-02-16

Combination of a filter element and a core element, and a filter element

#109
20120031824
2012-02-09

MODULE INSERT FOR INSTALLATION IN A LIQUID FILTER

#110
20120024771
2012-02-02

No filter no run filter assembly with air vent

#111
20110253608
2011-10-20

Filter arrangement for filtering liquids

#112
20110073538
2011-03-31

Flow restriction valve and filter cartridge

#113
20110041315
2011-02-24

Fluid filter element

#114
20110031181
2011-02-10

FUEL FILTER ASSEMBLY AND METHODS

#115
20110005996
2011-01-13

Liquid filter, in particular an oil filter

#116
20100294712
2010-11-25

Multi-stage filter cartridge with polyurethane endcaps

#117
20100294707
2010-11-25

MULTI-STAGE FILTER CARTRIDGE WITH SNAP FIT FILTERS

#118
20100276358
2010-11-04

No filter no run fluid filtration system

#119
20100252494
2010-10-07

FLUID SUPPLY DEVICE AND FUEL SUPPLY DEVICE

#120
20100230342
2010-09-16

Filter element for liquid filters and liquid filter

#121
20100213115
2010-08-26

No filter no run fluid filtration systems

#122
20100140151
2010-06-10

Fluid filter element

#123
20100122952
2010-05-20

Filter cartridge centering device

#124
20090242820
2009-10-01

FUEL FILTER HOUSING WITH SNAP LOCK VALVE ASSEMBLY

#125
20090242816
2009-10-01

Fuel filter housing with snap lock valve asssembly

#126
20090230063
2009-09-17

Standpipe with integrated regulator valve

#127
20090184045
2009-07-23

Fluid filter element

#128
20090139920
2009-06-04

FUEL SYSTEM AND FUEL FILTER ASSEMBLY

#129
20090134087
2009-05-28

Noncircular replaceable fuel filter elements and systems including the same

#130
20090114589
2009-05-07

Tri-flow filter element with venting

#131
20090114588
2009-05-07

Fuel filter assembly with flow restriction sleeve

#132
20090090668
2009-04-09

Fuel filter assembly with flow restriction valve

#133
20090078626
2009-03-26

Filter cartridge housing attachment systems

#134
20090065447
2009-03-12

Filtration system with a variable restriction orifice

#135
20090065427
2009-03-12

Filter cartridge

#136
20090065425
2009-03-12

Filter cartridge with crush ribs

#137
20090065419
2009-03-12

Filter cartridge with snap fit connection

#138
20090057219
2009-03-05

Replaceable filter elements including unique interfaces and filtration systems including same

#139
20090050554
2009-02-26

Filter cartridge with flow passage in end plate

#140
20090045109
2009-02-19

Flow control valve with plate spring force actuation

#141
20090020465
2009-01-22

Standpipe with flow restriction valve, and filter cartridge

#142
20080283462
2008-11-20

Filter element

#143
20080179263
2008-07-31

COMBINED FILTER APPARATUS, SYSTEM, AND METHOD

#144
20080164188
2008-07-10

FUEL FILTER

#145
20080116126
2008-05-22

Liquid Filter With Contamination-Protected Clean Side

#146
20080110815
2008-05-15

Fluid filter element

#147
20080053886
2008-03-06

Liquid filter element having keys

#148
20080053884
2008-03-06

Liquid filter element having keys

#149
20080047132
2008-02-28

Quick drain filter

#150
20070241047
2007-10-18

Filter element

#151
20070125689
2007-06-07

Fluid filter for an internal combustion engine

#152
20070084432
2007-04-19

Internal combustion engine, especially in a motor vehicle, having a fuel filter system

#153
20060053756
2006-03-16

Filter system integrating pressure regulation and air vent

#154
20050023209
2005-02-03

Filter assembly with vented filter element

#155
17832136
2022-11-01

Wet dry appliance

#156
14164869
2014-12-30

Wastewater treatment unit