ClassID:

30103

B01D2201/303 - 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 not arranged concentrically

Recent Application in this class:
#1
20260138062
2026-05-21

REGENERATIVE MEDIA FILTER

#2
20260138061
2026-05-21

REGENERATIVE MEDIA FILTER

#3
20260131268
2026-05-14

VALVE TYPE NO FILTER NO RUN FILTRATION SYSTEM

#4
20260131266
2026-05-14

FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING

#5
20260071453
2026-03-12

Swimming Pool Backwash Filtration Device

#6
20260027496
2026-01-29

WATER FILTRATION ASSEMBLY

#7
20250196032
2025-06-19

FILTER HEAD AND FILTER FOR WATER DISPENSER

#8
20250050256
2025-02-13

LIQUID FILTER ARRANGEMENT AND METHODS

#9
20240390826
2024-11-28

FILTER HOUSING WITH FILTER KEY ATTACHMENT

#10
20240367074
2024-11-07

FILTER DEVICE

#11
20240350950
2024-10-24

WATER COOLER FILTER WITH SECURE BAYONET-TYPE CONNECTION

#12
20240238706
2024-07-18

FILTER HEAD, FILTER AND FILTER ASSEMBLY

#13
20240226782
2024-07-11

REGENERATIVE MEDIA FILTER

#14
20240131456
2024-04-25

REGENERATIVE MEDIA FILTER

#15
20240110619
2024-04-04

FILTER ASSEMBLY

#16
20240091686
2024-03-21

WATER PURIFIER

#17
20240043285
2024-02-08

WATER PURIFYING APPARATUS AND REFRIGERATOR INCLUDING THE SAME

#18
20240042353
2024-02-08

FILTER INTERCONNECT UTILIZING CORRELATED MAGNETIC ACTUATION FOR DOWNSTREAM SYSTEM FUNCTION

#19
20240010527
2024-01-11

WATER PURIFICATION AND DISINFECTION DEVICE

#20
20230415078
2023-12-28

FILTERING GROUP INCLUDING A SPHERICAL VALVE

#21
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

#22
20230330567
2023-10-19

FILTER DEVICE

#23
20230294025
2023-09-21

TRANSMISSION OIL FILTER ASSEMBLY

#24
20230285882
2023-09-14

Liquid filter arrangement and methods

#25
20230285880
2023-09-14

FLUID PROCESSING CASSETTE WITH INTEGRATED FILTER

#26
20230139571
2023-05-04

Water filtration system and method

#27
20230052030
2023-02-16

WATER FILTER

#28
20230016522
2023-01-19

Pneumatic-hydraulic method for back-flushing and device for back-flushing fluid filters using an integrated fluid-dynamic cleaning process

#29
20230001333
2023-01-05

Filter system comprising a pump and filter head module for a filter system

#30
20220387911
2022-12-08

FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING

#31
20220370934
2022-11-24

Filter housing with filter key attachment

#32
20220324723
2022-10-13

Water purifying apparatus and refrigerator including the same

#33
20220323889
2022-10-13

Liquid filter arrangement and methods

#34
20220305410
2022-09-29

FILTER DEVICE

#35
20220266179
2022-08-25

Compact vehicle filter head

#36
20220135433
2022-05-05

MULTI-POSITION FILTER

#37
20220054958
2022-02-24

Filter module for gravity-based water purification device and gravity-based water purification device including the same

#38
20220040605
2022-02-10

WATER PURIFIER

#39
20210236969
2021-08-05

Filter assembly for gas turbine engine

#40
20210229009
2021-07-29

Water cooler filter with secure bayonet-type connection

#41
20210016212
2021-01-21

Liquid filter arrangement and methods

#42
20200360931
2020-11-19

Filter interconnect utilizing correlated magnetic actuation for downstream system function

#43
20200360844
2020-11-19

Filter interconnect utilizing correlated magnetic actuation for downstream system function

#44
20200261832
2020-08-20

Water purifier structure

#45
20200256515
2020-08-13

Pressure relief cover assembly

#46
20200254366
2020-08-13

WATER FILTER CARTRIDGE WITH SLANTED NOZZLES

#47
20200232511
2020-07-23

Oil filter/liquid indicator assembly

#48
20200231920
2020-07-23

Microorganism sampling device

#49
20200207652
2020-07-02

Cartridge for water treatment for a device for water treatment, a head of a device for water treatment and a device for water treatment comprising such a cartridge and such a head

#50
20200206660
2020-07-02

Reverse osmosis push filter with floating key lock

#51
20200199001
2020-06-25

A zone cartridge for water treatment for a zone device for water treatment, a head of a zone device for water treatment and a zone device for water treatment comprising such a cartridge and such a head

#52
20200197843
2020-06-25

Filter housing with filter key attachment

#53
20200094175
2020-03-26

Filter cartridge

#54
20200047095
2020-02-13

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

#55
20190374885
2019-12-12

Water cooler filter with secure bayonet-type connection

#56
20190374882
2019-12-12

Device for separating solid particles from liquids and gases

#57
20190275451
2019-09-12

Filter device

#58
20190226502
2019-07-25

Hydraulic tank and method for manufacturing a hydraulic tank

#59
20190193003
2019-06-27

Filter element for a vehicle

#60
20190185347
2019-06-20

Portable Water Filtration Assembly

#61
20190168141
2019-06-06

Filter housing that accepts both single open end o-ring and double open end filter elements

#62
20190143252
2019-05-16

Transmission oil filter assembly

#63
20190054402
2019-02-21

Filter assembly with self-contained disposable filter cartridge

#64
20180347631
2018-12-06

Oil filter/liquid indicator assembly

#65
20180318739
2018-11-08

Head assembly for water purification filter

#66
20180304181
2018-10-25

Anti-drip filter assembly

#67
20180290083
2018-10-11

Filter cartridge

#68
20180280848
2018-10-04

Filter, filter device, and method of use

#69
20180272257
2018-09-27

Filter coupling device and substrate treating apparatus provided therewith

#70
20180229163
2018-08-16

FILTER SYSTEM

#71
20180221794
2018-08-09

FILTER SYSTEM

#72
20180169548
2018-06-21

Reverse osmosis push filter with floating key lock

#73
20180147508
2018-05-31

Filter housing with filter key attachment

#74
20180117508
2018-05-03

Filter including RFID tag

#75
20180088600
2018-03-29

Device for forming a head part of a liquid treatment apparatus and liquid treatment apparatus

#76
20180038394
2018-02-08

Strainer assembly for a fluid tank

#77
20180036659
2018-02-08

Water filtration system and method

#78
20180022620
2018-01-25

Water Filtration Device

#79
20170312665
2017-11-02

Connecting structure for connecting a filter housing to a filter housing retaining structure, cleaning system, filter housing cover for a filter housing and method for connecting a filter housing cover to a filter housing retaining structure

#80
20170266589
2017-09-21

Filter element and filter device

#81
20170259195
2017-09-14

Filter cartridge

#82
20170252682
2017-09-07

Liquid filter arrangement and methods

#83
20170120173
2017-05-04

Filter coupling device and a substrate treating apparatus having same

#84
20170021294
2017-01-26

Keyed system for connection of filter cartridge to filter holder

#85
20170021291
2017-01-26

Filter housing with end cap seal

#86
20170015569
2017-01-19

Membrane casing and membrane component

#87
20170007946
2017-01-12

Filter assembly for an appliance

#88
20160325211
2016-11-10

Modular filter capsule apparatus

#89
20160310882
2016-10-27

Fuel filter housing

#90
20160200612
2016-07-14

Water treatment apparatus

#91
20160193554
2016-07-07

Filter apparatus with torque limiting mechanism

#92
20160175743
2016-06-23

Water filter cartridge with slanted nozzles

#93
20160138538
2016-05-19

Fuel filter for diesel engine

#94
20160136551
2016-05-19

External filter seal

#95
20150306526
2015-10-29

Push filter with floating key lock

#96
20150273371
2015-10-01

Filter assembly

#97
20150258477
2015-09-17

Reusable water filter cartridge device

#98
20150209704
2015-07-30

Filter element having cover portion and filter assembly

#99
20150129478
2015-05-14

Filters and filter arrangements which include a filter and a manifold assembly

#100
20150114896
2015-04-30

Methods for moving a filter along a manifold assembly; filter arrangements including a filter and a manifold assembly; and filters

#101
20150114894
2015-04-30

Filters

#102
20150113925
2015-04-30

Filter manifold

#103
20150101970
2015-04-16

Modular filter capsule apparatus

#104
20150008173
2015-01-08

Manifold bracket assembly for a modular encapsulated water treatment system

#105
20150001140
2015-01-01

Water filtration system and method

#106
20140360929
2014-12-11

Interlock device

#107
20140319033
2014-10-30

Water filter assembly

#108
20140231336
2014-08-21

Fuel filter assembly and cartridge

#109
20140175000
2014-06-26

Keyed system for connection of filter cartridge to filter holder

#110
20140144822
2014-05-29

Filter unit with flow regulator

#111
20130341261
2013-12-26

Filter cartridges and manifolds for linear motion installation

#112
20120261323
2012-10-18

Filter apparatus with torque limiting mechanism