Patents-Review.com
ClassID:

28994 ⎘

B01D27/148 - CPC Classification

Classification description:

Cartridge filters of the throw-away type having more than one filtering element connected in series arranged concentrically or coaxially

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

COMPOSITE FILTER CARTRIDGE

 #2
20250170500
2025-05-29

Closed Bioprocessing Device

 #3
20250083074
2025-03-13

QUICK OIL CHANGE FILTER AND ASSEMBLY

 #4
20250001364
2025-01-02

DISPOSABLE FILTER CAPSULE FOR A FILTRATION DEVICE

 #5
20240316484
2024-09-26

LIQUID DISPENSER SYSTEM

 #6
20230173413
2023-06-08

Fuel filter with coalescer

 #7
20230173412
2023-06-08

Quick oil change filter and assembly

 #8
20220243978
2022-08-04

Refrigerator drawer with cassette filter

 #9
20210394090
2021-12-23

LIQUID FILTER

 #10
20210322901
2021-10-21

Closed bioprocessing device

 #11
20210131721
2021-05-06

Refrigerator drawer with cassette filter

 #12
20210023480
2021-01-28

Quick oil change filter and assembly

 #13
20200406169
2020-12-31

Fuel filter with coalescer

 #14
20200215463
2020-07-09

Filter systems and related methods

 #15
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

 #16
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

 #17
20200179846
2020-06-11

Method and device for removing particles from waste water

 #18
20200164289
2020-05-28

Disposable filter capsule for a filtration device

 #19
20190262746
2019-08-29

Fuel pre-filtering element

 #20
20190168142
2019-06-06

DIESEL FUEL PRE-FILTERING SYSTEM

 #21
20190160400
2019-05-30

Filter element and fluid filter with radial vent hole

 #22
20180230952
2018-08-16

Coalescence element and filter element having a coalescence element

 #23
20180127294
2018-05-10

Composite filter cartridge

 #24
20180050926
2018-02-22

Multi-stage filter assembly

 #25
20180043288
2018-02-15

Integrated composite filter cartridge and water purifying system having same

 #26
20170210636
2017-07-27

Cartridge-based water filter

 #27
20160200612
2016-07-14

Water treatment apparatus

 #28
20160067635
2016-03-10

Enhanced liquid filter bag

 #29
20160030863
2016-02-04

Portable pre-filtering fuel filler device

 #30
20160023135
2016-01-28

Water separation filter

 #31
20150238883
2015-08-27

Filter element and fluid filter with radial vent hole

 #32
20140202949
2014-07-24

Composite filter apparatus

 #33
20130213878
2013-08-22

Filter cartridge

 #34
20130213877
2013-08-22

FLUID FILTER AND FILTER CARTRIDGE

 #35
20130153487
2013-06-20

Fuel water separator filter with water drain

 #36
20120118809
2012-05-17

Filter apparatus

 #37
20120006737
2012-01-12

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

 #38
20110233117
2011-09-29

Multi filter lubricant purification system

 #39
20110203982
2011-08-25

Filter device

 #40
20110017649
2011-01-27

Two stage filter cartridge

 #41
20100219117
2010-09-02

Coalescing element

 #42
20100155318
2010-06-24

Ring filter insert for a liquid filter

 #43
20100126920
2010-05-27

Fuel filter

 #44
20090250402
2009-10-08

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

 #45
20090200224
2009-08-13

COMBINATION FILTER FOR DIESEL FUEL

 #46
20090145826
2009-06-11

Filter having baseplate with internal gasket location

 #47
20090090678
2009-04-09

Fuel filter device

 #48
20080308488
2008-12-18

Filter Apparatus and Filter Body

 #49
20080149559
2008-06-26

Filter device and method for manufacturing the same

 #50
20080110819
2008-05-15

STAGED OIL FILTER INCORPORATING ADDITIVE-RELEASING PARTICLES

 #51
20080035537
2008-02-14

Fuel filter system

 #52
20070289915
2007-12-20

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

 #53
20070084776
2007-04-19

Water separation and filtration structure

 #54
20070034559
2007-02-15

Combination particulate and acid-neutralizing filter

 #55
20070017879
2007-01-25

Filtration cartridge and process for filtering a slurry

 #56
20060278570
2006-12-14

Coaxial full-flow and bypass oil filter having cap with blades

 #57
20060278569
2006-12-14

Coaxial full-flow and bypass oil filter with spring/gasket arrangement

 #58
20060266691
2006-11-30

Intersecting water conducting filter

 #59
20060226065
2006-10-12

Coaxial full-flow and bypass oil filter apparatus and method

 #60
20060049096
2006-03-09

Encapsulated filter cartridge

 #61
20060000760
2006-01-05

Combination particulate and acid-neutralizing filter

 #62
20050126965
2005-06-16

Coaxial full-flow and bypass oil filter

 #63
20050103701
2005-05-19

Liquid filter arrangement with secondary filter and bypass flow

 #64
17145676
2023-05-02

Multi-stage filter assembly