Patents-Review.com
ClassID:

30099 ⎘

B01D2201/298 - CPC Classification

Classification description:

Details relating to filtering apparatus; Filter cartridge constructions; End caps End caps common to at least two filtering elements

Recent Application in this class:
#1
20260124559
2026-05-07

COMPOSITE FILTER CARTRIDGE

 #2
20260021428
2026-01-22

Oil Filter

 #3
20250099885
2025-03-27

SPIN-ON FLUID TREATMENT DEVICE AND METHODS

 #4
20250018319
2025-01-16

SUCTION STRAINER

 #5
20240269585
2024-08-15

DROP-IN FILTER ELEMENT ASSEMBLIES WITH AXIAL STAGED TREATMENT

 #6
20240226781
2024-07-11

Filter Device

 #7
20230033882
2023-02-02

Water purification filter element and household water purifier

 #8
20220379245
2022-12-01

Advanced Fuel Filtration System with Interlocking Cartridge Seal Design

 #9
20220362687
2022-11-17

Filtration and deaeration system

 #10
20210331100
2021-10-28

Spin-on fluid treatment device and methods

 #11
20210093988
2021-04-01

Chambered parallel flow dual filter

 #12
20200149501
2020-05-14

Fuel filter element electrical grounding

 #13
20200139271
2020-05-07

Two Stage Elements

 #14
20190176065
2019-06-13

Electronic filter detection feature for liquid filtration systems

 #15
20190046907
2019-02-14

Spin-on fluid treatment device and methods

 #16
20190009192
2019-01-10

Composite filter cartridge

 #17
20180264383
2018-09-20

SYSTEM AND METHOD FOR OIL FILTRATION IN BYPASS MODE

 #18
20180250625
2018-09-06

Filter element and filter assembly

 #19
20180117518
2018-05-03

Filter assembly and methods

 #20
20180028949
2018-02-01

Fuel filter insert, and fuel filter comprising a prefilter element and a main filter element and comprising a water separating unit

 #21
20180008918
2018-01-11

Fuel filter insert with a prefilter and a main filter element, and fuel filter

 #22
20180008912
2018-01-11

Fuel filter comprising a fuel filter insert with a prefilter element and a main filter element

 #23
20170157542
2017-06-08

Water separator element comprising water detection electrodes

 #24
20170056807
2017-03-02

Pleated filter element

 #25
20160317961
2016-11-03

Air filter assembly

 #26
20150343341
2015-12-03

Filter elements and methods for filtering fluids

 #27
20150336034
2015-11-26

Filter assemblies, filter elements, and methods for filtering liquids

 #28
20140245708
2014-09-04

Air filter assembly

 #29
20140008286
2014-01-09

Replaceable filter elements including plural filter media and related filtration systems, techniques and methods

 #30
20130306540
2013-11-21

No filter no run fluid filtration system

 #31
20130256241
2013-10-03

Coaxial double filter with integrated filter support

 #32
20130081996
2013-04-04

FILTER ELEMENT

 #33
20130008839
2013-01-10

Filtering device, and filtering element for use in such a filtering device

 #34
20120273406
2012-11-01

Filter with ejection mechanism

 #35
20120223006
2012-09-06

Filter device and filter element for use with such a filter device

 #36
20120125832
2012-05-24

Fluid filter, fluid filter assembly, and mounting method

 #37
20120111786
2012-05-10

FILTERING APPARATUS

 #38
20120037556
2012-02-16

Filter element and filter assembly including locking mechanism

 #39
20120012513
2012-01-19

Filter element and filter module

 #40
20120006737
2012-01-12

Replaceable filter elements including plural filter media and related filtration systems, techniques and methods

 #41
20110283513
2011-11-24

Integrity testable multilayered filter device

 #42
20110042294
2011-02-24

End cap assembly adapted for interconnecting filtration elements

 #43
20100294712
2010-11-25

Multi-stage filter cartridge with polyurethane endcaps

 #44
20100294707
2010-11-25

MULTI-STAGE FILTER CARTRIDGE WITH SNAP FIT FILTERS

 #45
20100276358
2010-11-04

No filter no run fluid filtration system

 #46
20100140155
2010-06-10

Filter arrangement and methods

 #47
20100006514
2010-01-14

Multi-element filter arrangement and methods

 #48
20090308803
2009-12-17

Filter with water separation device

 #49
20090308802
2009-12-17

Filter with ejection mechanism

 #50
20090308801
2009-12-17

Fluid filter, fluid filter assembly, and mounting method

 #51
20090250402
2009-10-08

REPLACEABLE FILTER ELEMENTS INCLUDING PLURAL FILTER MEDIA AND RELATED FILTRATION SYSTEMS, TECHNIQUES AND METHODS

 #52
20090071892
2009-03-19

Filter cartridge

 #53
20090065425
2009-03-12

Filter cartridge with crush ribs

 #54
20090065419
2009-03-12

Filter cartridge with snap fit connection

 #55
20080245719
2008-10-09

Filter element and filter assembly including locking mechanism

 #56
20080135469
2008-06-12

Two-level fuel filter device

 #57
20070289915
2007-12-20

Replaceable filter elements including plural filter media and related filtration systems, techniques and methods

 #58
20070090040
2007-04-26

Fluid filter element

 #59
20070080104
2007-04-12

Integrity testable multilayered filter device

 #60
20060283160
2006-12-21

Multi-element filter arrangement and methods

 #61
20060113233
2006-06-01

Environmentally friendly acid neutralizing full flow cartridge

 #62
20060027492
2006-02-09

Filter mechanism

 #63
20050173325
2005-08-11

Additive dispensing filter apparatus