ClassID:

30129

B01D2201/4061 - CPC Classification

Classification description:

Details relating to filtering apparatus; Special measures for connecting different parts of the filter; Means for avoiding false mounting of different parts between a cartridge and a filter head or manifold

Recent Application in this class:
#1
20260115635
2026-04-30

REFRIGERATOR AND MANIFOLD FOR WATER FILTER

#2
20260115633
2026-04-30

LIQUID FILTER EQUIPPED WITH AN ANTI-LEAKAGE VALVE

#3
20260042040
2026-02-12

FUEL FILTER

#4
20260014501
2026-01-15

FILTER ASSEMBLY FOR WATER DISPENSER

#5
20260007989
2026-01-08

FILTER ELEMENT AND FILTER SYSTEM

#6
20250339797
2025-11-06

FILTER ASSEMBLY INCLUDING ELLIPTICAL SEALING INTERFACE

#7
20250312715
2025-10-09

FILTER MODULE ADAPTED TO MULTIPLE TYPES OF WATER OUTLET COMPONENTS

#8
20250281859
2025-09-11

WATER PURIFYING APPARATUS AND FILTER STRUCTURE

#9
20250196032
2025-06-19

FILTER HEAD AND FILTER FOR WATER DISPENSER

#10
20250025813
2025-01-23

FILTER INTERCONNECT USING A CORRELATED MAGNET TORQUE DESIGN

#11
20250025812
2025-01-23

Filter Cartridge and Mounting Mechanism

#12
20250001329
2025-01-02

FILTER SYSTEM WITH FLANGED FILTER CARTRIDGE

#13
20240350950
2024-10-24

WATER COOLER FILTER WITH SECURE BAYONET-TYPE CONNECTION

#14
20240342742
2024-10-17

DUAL-ZONE SHOWERHEAD WITH INTERNAL FILTRATION CAPABILITIES

#15
20240269583
2024-08-15

FILTER ASSEMBLY WITH FILTER ELEMENT ENDCAP HAVING INTEGRAL EXTERNAL ROUNDED POLYGON SHAPED SEALING SURFACE

#16
20240238701
2024-07-18

FILTER ELEMENT ARRANGEMENT WITHIN A FILTER SYSTEM

#17
20240216841
2024-07-04

FILTER HOLDER

#18
20240200477
2024-06-20

LUBRICANT FILTER ASSEMBLY

#19
20240173657
2024-05-30

FILTER INTERCONNECT USING A MAGNETIC SHEAR FORCE

#20
20240149195
2024-05-09

Filter element butt joint mechanism

#21
20240058729
2024-02-22

PUSH FILTER WITH FLOATING KEY LOCK

#22
20240042354
2024-02-08

Fuel pre-filter module, filter element and filter head with a priming pump

#23
20230415076
2023-12-28

Filter interconnect using a correlated magnet torque design

#24
20230364537
2023-11-16

BATCH-TYPE APPARATUS FOR FILTERING

#25
20230347266
2023-11-02

FILTER CARTRIDGE RETENTION FEATURE

#26
20230145088
2023-05-11

FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY

#27
20230139571
2023-05-04

Water filtration system and method

#28
20230115880
2023-04-13

WATER PURIFYING FILTER ASSEMBLY

#29
20230038331
2023-02-09

LIQUID FILTER EQUIPPED WITH AN ANTI-LEAKAGE VALVE

#30
20220355228
2022-11-10

WATER PURIFYING APPARATUS AND FILTER STRUCTURE

#31
20220347608
2022-11-03

Fuel filter cartridge with keyed profile

#32
20220347606
2022-11-03

Push filter with floating key lock

#33
20220331716
2022-10-20

PUSH FILTER WITH FLOATING KEY LOCK

#34
20220258082
2022-08-18

Torsional No Filter No Run System and Method

#35
20220241705
2022-08-04

Filter interconnect using a correlated magnet torque design

#36
20220176280
2022-06-09

WATER FILTER

#37
20220161165
2022-05-26

Filter assembly for ice making appliance

#38
20220088508
2022-03-24

Filter and method of fabricating same

#39
20210394091
2021-12-23

Filter element

#40
20210379513
2021-12-09

WATER FILTER CARTRIDGE AND HEAD HAVING KEYED ENGAGEMENT

#41
20210331103
2021-10-28

Filter interconnect using a magnetic shear force

#42
20210299600
2021-09-30

Filter unit and refrigerator including the same

#43
20210283536
2021-09-16

Filter interconnect using a correlated magnet torque design

#44
20210252437
2021-08-19

Fuel pre-filter module, filter element and filter head with a priming pump

#45
20210236968
2021-08-05

Push filter with floating key lock

#46
20210229009
2021-07-29

Water cooler filter with secure bayonet-type connection

#47
20210178297
2021-06-17

FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY

#48
20210170314
2021-06-10

Fuel filter cartridge with keyed profile

#49
20210146281
2021-05-20

Push filter with floating key lock

#50
20210113945
2021-04-22

Manifold assembly and method of use

#51
20210052998
2021-02-25

Push filter with floating key lock

#52
20210046408
2021-02-18

Water purifying apparatus and filter structure

#53
20210031126
2021-02-04

Manifold assembly and method of use

#54
20200408180
2020-12-31

Fuel filter

#55
20200406176
2020-12-31

Fuel filter

#56
20200338482
2020-10-29

Retrofittable no filter no run filtration system

#57
20200330907
2020-10-22

Filtration device

#58
20200254369
2020-08-13

Filter cartridge for translational insertion and rotational engagement of a manifold

#59
20200246734
2020-08-06

Filter for liquid or viscous product and spraying installation including such a filter

#60
20200188820
2020-06-18

Filter device

#61
20200129897
2020-04-30

FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY

#62
20200114286
2020-04-16

FILTER ASSEMBLY WITH FILTER ELEMENT ENDCAP HAVING INTEGRAL EXTERNAL ROUNDED POLYGON SHAPED SEALING SURFACE

#63
20200108338
2020-04-09

Push filter with floating key lock

#64
20200047095
2020-02-13

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

#65
20200001211
2020-01-02

Filter interconnect using a correlated magnet torque design

#66
20190388813
2019-12-26

REPLACEMENT FILTER CARTRIDGE

#67
20190388811
2019-12-26

Push filter with floating key lock

#68
20190374885
2019-12-12

Water cooler filter with secure bayonet-type connection

#69
20190329164
2019-10-31

Filter assembly

#70
20190329162
2019-10-31

Filter element assembly

#71
20190329159
2019-10-31

Filter assembly

#72
20190151784
2019-05-23

Water purifying apparatus and filter structure

#73
20190134543
2019-05-09

Push filter with floating key lock

#74
20190049024
2019-02-14

Rotatable value spool for a manifold

#75
20190046905
2019-02-14

Torsional no filter no run system and method

#76
20190039003
2019-02-07

Water purifying apparatus and filter structure

#77
20190030472
2019-01-31

FILTRATION DEVICE

#78
20190030470
2019-01-31

Retrofittable no filter no run filtration system

#79
20180369728
2018-12-27

Water purifying apparatus and filter structure

#80
20180361285
2018-12-20

Water purifying apparatus and filter structure

#81
20180345186
2018-12-06

Filter cartridge for translational insertion and rotational engagement of a manifold

#82
20180318739
2018-11-08

Head assembly for water purification filter

#83
20180257012
2018-09-13

Filter device with coupling element

#84
20180229163
2018-08-16

FILTER SYSTEM

#85
20180214804
2018-08-02

WATER FILTER CARTRIDGE WITH FILTER KEY

#86
20180161711
2018-06-14

Filter assembly

#87
20180111065
2018-04-26

Filter apparatus

#88
20180056215
2018-03-01

FILTER CARTRIDGE

#89
20180036659
2018-02-08

Water filtration system and method

#90
20170348448
2017-12-07

Water treatment dispensing apparatus

#91
20170282104
2017-10-05

FLUID FILTER WITH OPTICAL KEY AND MANIFOLD WITH OPTICAL LOCK

#92
20170274304
2017-09-28

Water purifying apparatus and filter structure

#93
20170252678
2017-09-07

Filter cartridge

#94
20170072347
2017-03-16

Filter cartridge for translational insertion and rotational engagement of a manifold

#95
20170030384
2017-02-02

Filter for hydraulic fluids for hydraulic circuits and process of making the same

#96
20170021294
2017-01-26

Keyed system for connection of filter cartridge to filter holder

#97
20160310879
2016-10-27

Filter cartridge end plate for use in removing a filter cartridge from a shell

#98
20160236119
2016-08-18

Filter cartridge

#99
20160175743
2016-06-23

Water filter cartridge with slanted nozzles

#100
20160074783
2016-03-17

Push filter with floating key lock

#101
20160023142
2016-01-28

Filter cartridge end plate for use in removing a filter cartridge from a shell

#102
20150114895
2015-04-30

Filter unit

#103
20150068966
2015-03-12

Filter cartridge

#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
20140353234
2014-12-04

Filter housing with locking form-fit elements and spring loading a filter element in the housing

#107
20140217001
2014-08-07

Keyed thread engagement on spin-on filter element

#108
20140175000
2014-06-26

Keyed system for connection of filter cartridge to filter holder

#109
20140083923
2014-03-27

Filter apparatus

#110
20130341261
2013-12-26

Filter cartridges and manifolds for linear motion installation

#111
20130270162
2013-10-17

Liquid filter having a filter bypass valve and filter insert therefor

#112
20130068684
2013-03-21

FILTER UNIT

#113
20120211412
2012-08-23

Filter cartridge

#114
20120080369
2012-04-05

SPOOL VALVE MANIFOLD INTERCONNECT FOR A FILTER SYSTEM

#115
20060254971
2006-11-16

Spool valve manifold interconnect for a filter system

#116
14635712
2015-06-30

Replacement filter cartridge

#117
14053086
2016-01-12

Push filter with floating key lock