Patents-Review.com
ClassID:

28981 ⎘

B01D27/06 - CPC Classification

Classification description:

Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material

Sub-classes:
Recent Application in this class:
#1
20250271055
2025-08-28

Oil Filter For Continuously Variable Transmission

 #2
20250114726
2025-04-10

TREATMENT DEVICE FOR TREATING FLUIDS, MORE PARTICULARLY LIQUID FLUIDS, AND TREATMENT UNIT AND CONNECTION HEAD FOR A TREATMENT DEVICE

 #3
20230311029
2023-10-05

Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device

 #4
20230279794
2023-09-07

HIGH CAPACITY OIL FILTER

 #5
20230173413
2023-06-08

Fuel filter with coalescer

 #6
20230014391
2023-01-19

Face mask with replaceable filter cartridges and components

 #7
20230002245
2023-01-05

FILTER MEDIA, FILTER CARTRIDGE CONTAINING FILTER MEDIA, AND METHOD OF FILTERING WATER

 #8
20220339560
2022-10-27

J-Hook Filter Assembly

 #9
20220297033
2022-09-22

REPLACEABLE SPIN-ON FILTER WITH DIE CASTED UNITARY ENDPLATE

 #10
20220203269
2022-06-30

FILTER ELEMENT WITH SELF-CONTAINED ELECTROSTATIC BUILDUP PROTECTION

 #11
20220143531
2022-05-12

Treatment device for treating fluids, more particularly liquid fluids, and treatment unit and connection head for a treatment device

 #12
20220134262
2022-05-05

Treatment device for treating fluids, in particular liquid fluids, and treatment unit and connection head for a treatment device

 #13
20220023795
2022-01-27

Apparatus and method for controlling display of EPG information

 #14
20220001313
2022-01-06

Fuel filter device

 #15
20220000195
2022-01-06

Face mask with replaceable filter cartridges and components

 #16
20210402333
2021-12-30

FILTER ASSEMBLY

 #17
20210402332
2021-12-30

Filter assembly

 #18
20210362077
2021-11-25

Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device

 #19
20210187427
2021-06-24

Apparatus and method for controlling display of EPG information

 #20
20210008474
2021-01-14

Coalescing filter element and filter assembly therefore

 #21
20200406169
2020-12-31

Fuel filter with coalescer

 #22
20200215475
2020-07-09

Filter elements; air cleaner; assembly; and, methods

 #23
20200179846
2020-06-11

Method and device for removing particles from waste water

 #24
20200078708
2020-03-12

J-hook filter assembly

 #25
20200054971
2020-02-20

Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device

 #26
20190329159
2019-10-31

Filter assembly

 #27
20190314754
2019-10-17

Apparatus and method for controlling display of EPG information

 #28
20190308124
2019-10-10

Air filter element, in particular for gas filtration

 #29
20190291027
2019-09-26

Airborne molecular contamination filter cartridge system with combustible filter cartridge and reusable frame

 #30
20190262746
2019-08-29

Fuel pre-filtering element

 #31
20190226502
2019-07-25

Hydraulic tank and method for manufacturing a hydraulic tank

 #32
20190160399
2019-05-30

Pleated filter element having an additional structure

 #33
20190060788
2019-02-28

WEDGE SHAPED FILTERS, ASSEMBLY AND METHOD FOR FILTRATION AND COALESCING

 #34
20190001247
2019-01-03

Cartridge filter using nanofiber composite fiber yarn and method for manufacturing same

 #35
20180361301
2018-12-20

Filter elements; air cleaner; assembly; and, methods

 #36
20180280843
2018-10-04

ADDITIVE CARRIER FOR SPIN ON FILTERS

 #37
20180280842
2018-10-04

ADDITIVE CARRIER FOR SPIN ON FILTERS

 #38
20180200649
2018-07-19

A LIQUID FILTER, AND A LIQUID FILTRATION APPARATUS USING THE LIQUID FILTER

 #39
20180193780
2018-07-12

Spin-on filter using snap-fit

 #40
20180193778
2018-07-12

J-hook filter assembly

 #41
20180050926
2018-02-22

Multi-stage filter assembly

 #42
20170326484
2017-11-16

Coalescing filter element and filter assembly therefore

 #43
20170304749
2017-10-26

Fuel filter device

 #44
20170122152
2017-05-04

High capacity oil filter

 #45
20170095758
2017-04-06

Fuel filter device

 #46
20170042363
2017-02-16

DRINK FILTER

 #47
20160361671
2016-12-15

Fuel filter for vehicle

 #48
20160339364
2016-11-24

Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device

 #49
20160296860
2016-10-13

Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device

 #50
20160271551
2016-09-22

Filter elements; air cleaner; assembly; and, methods

 #51
20160220925
2016-08-04

Filter cartridge

 #52
20160129374
2016-05-12

Blood filtering device

 #53
20160066740
2016-03-10

Paper filter

 #54
20150165355
2015-06-18

Filter for fluids and an additive container for a filter

 #55
20140325947
2014-11-06

Filter elements; air cleaner; assembly; and, methods

 #56
20140216997
2014-08-07

Filter element and fuel filter

 #57
20140061110
2014-03-06

FILTER HOUSING WITH INTEGRALLY THREADED PORT

 #58
20140008286
2014-01-09

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

 #59
20130327696
2013-12-12

Filter element endplate defining inflow and outflow flow paths

 #60
20130277295
2013-10-24

Filter element and methods of manufacturing and using same

 #61
20130264252
2013-10-10

Filter

 #62
20130213878
2013-08-22

Filter cartridge

 #63
20130193050
2013-08-01

Additive carrier for spin on filters

 #64
20130174527
2013-07-11

Three-dimensional filter

 #65
20130152530
2013-06-20

Filtering device, in particular diesel particulate filter

 #66
20130008860
2013-01-10

Filter element and methods of manufacturing and using same

 #67
20120325752
2012-12-27

ADDITIVE DISPENSING FILTER AND METHOD

 #68
20120097593
2012-04-26

Connecting element for multilayer media, filter element, and method for connecting laminar media

 #69
20120037573
2012-02-16

Filter element and methods of manufacturing and using same

 #70
20120006737
2012-01-12

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

 #71
20110296806
2011-12-08

Filter elements; air cleaner; assembly; and, methods

 #72
20110265436
2011-11-03

Three-dimensional filter

 #73
20110094958
2011-04-28

Filter device for filtration of a fluid

 #74
20110083150
2011-04-07

Apparatus and method for controlling display of EPG information

 #75
20110005671
2011-01-13

End disk

 #76
20100276346
2010-11-04

Filter element and fuel filter

 #77
20100179465
2010-07-15

Blood filter device and method of producing the same

 #78
20100107577
2010-05-06

Filter elements; air cleaner; assembly; and, methods

 #79
20100051537
2010-03-04

Filter Element with Glued-On Terminal Disk

 #80
20090250402
2009-10-08

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

 #81
20090218295
2009-09-03

Filter with flow surge protection and method of protecting filter from flow surge

 #82
20090145093
2009-06-11

Filter elements; air cleaner; assembly; and, methods

 #83
20090038748
2009-02-12

Fuel Filter Diverter

 #84
20080308488
2008-12-18

Filter Apparatus and Filter Body

 #85
20080296809
2008-12-04

End Disk

 #86
20080283461
2008-11-20

Filter, especially fuel filter

 #87
20080245721
2008-10-09

FLUID FILTER

 #88
20080169227
2008-07-17

Liquid filter assembly

 #89
20080156720
2008-07-03

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

 #90
20080142427
2008-06-19

Use of non-metallic load devices in liquid filters

 #91
20080128364
2008-06-05

Filter element and methods of manufacturing and using same

 #92
20080121582
2008-05-29

FILTER RECYCLING UNIT

 #93
20080078715
2008-04-03

Ion Exchange and Particulate Filter Assembly

 #94
20080073296
2008-03-27

High strength, high capacity filter media and structure

 #95
20070289915
2007-12-20

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

 #96
20070267337
2007-11-22

FILTER ASSEMBLY

 #97
20070246417
2007-10-25

Height adjustable center tube and guide for a filter cartridge assembly

 #98
20070235378
2007-10-11

Top Load Liquid Filter Assembly for Use with Treatment Agent; and, Methods

 #99
20070169445
2007-07-26

Filter flow turbine

 #100
20070080105
2007-04-12

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

 #101
20070056897
2007-03-15

Non-metallic filter assembly and method of producing the same

 #102
20070034559
2007-02-15

Combination particulate and acid-neutralizing filter

 #103
20060288675
2006-12-28

Filter assembly and method of making a filter assembly

 #104
20060219625
2006-10-05

High-efficiency fuel-water filter

 #105
20060213827
2006-09-28

Filter device including pleated filter incorporated in a housing

 #106
20060101795
2006-05-18

Filter elements; air cleaner; assembly; and, methods

 #107
20060096932
2006-05-11

Filter media and structure

 #108
20060065584
2006-03-30

Liquid filter assembly for use with treatment agent and methods

 #109
20060049096
2006-03-09

Encapsulated filter cartridge

 #110
20060037908
2006-02-23

Reverse flow fuel filter

 #111
20060037906
2006-02-23

Liquid filter assembly

 #112
20060016745
2006-01-26

Plastic molded center tube assembly

 #113
20060000760
2006-01-05

Combination particulate and acid-neutralizing filter

 #114
20050210844
2005-09-29

Filter material construction and method

 #115
20050194301
2005-09-08

Liquid filter assembly for use with treatment agent; and, methods

 #116
20050173325
2005-08-11

Additive dispensing filter apparatus

 #117
20050045553
2005-03-03

Filter having staged pleating

 #118
20050029184
2005-02-10

Fuel filter diverter

 #119
20050022484
2005-02-03

Air cleaner and method of filtering

 #120
17145676
2023-05-02

Multi-stage filter assembly

 #121
16822588
2025-03-11

Oil filter for continuously variable transmission

 #122
13987796
2016-02-23

Assembly for treating flowing water