Patents-Review.com
ClassID:

28979 ⎘

B01D27/02 - CPC Classification

Classification description:

Cartridge filters of the throw-away type with cartridges made from a mass of loose granular or fibrous material

Recent Application in this class:
#1
20260115632
2026-04-30

FILTER CARTRIDGE FOR AQUARIUM; AND METHODS

 #2
20250345726
2025-11-13

ENCLOSED MEDIA FLUID FILTRATION DEVICE

 #3
20240316484
2024-09-26

LIQUID DISPENSER SYSTEM

 #4
20240293763
2024-09-05

FILTER CARTRIDGE FOR FILTRATION OF LIQUIDS

 #5
20240009598
2024-01-11

FILTER APPARATUS

 #6
20230277965
2023-09-07

Fluid Filter and Spill Kit Extreme Odor and Toxin Eliminator, Composition and Process

 #7
20230218104
2023-07-13

FILTER MODULE

 #8
20220387910
2022-12-08

Filter cartridge

 #9
20220266172
2022-08-25

Fluid filter for a motor vehicle and filter cartridge for such a fluid filter

 #10
20220134260
2022-05-05

Enclosed media fluid filtration device

 #11
20210229002
2021-07-29

Enclosed media fluid filtration device

 #12
20210138375
2021-05-13

Modular filtration system and method

 #13
20200353382
2020-11-12

Liquid treatment device

 #14
20200179846
2020-06-11

Method and device for removing particles from waste water

 #15
20200164292
2020-05-28

APPARATUS AND METHOD FOR LIQUID REFLUX SUCTION-FILTER-PUMP

 #16
20200155976
2020-05-21

Enclosed media fluid filtration device

 #17
20200055741
2020-02-20

Liquid purification device

 #18
20190309902
2019-10-10

Oil conditioner for removing fluid impurities

 #19
20190270960
2019-09-05

MICROFLUIDIC FILTER DEVICES AND METHODS OF FABRICATING MICROFLUIDIC FILTER DEVICES

 #20
20190263683
2019-08-29

GRAVITY FILTER

 #21
20190054402
2019-02-21

Filter assembly with self-contained disposable filter cartridge

 #22
20180346351
2018-12-06

Gravity filter

 #23
20180078879
2018-03-22

Enclosed media fluid filtration device

 #24
20170210636
2017-07-27

Cartridge-based water filter

 #25
20160263505
2016-09-15

Filter insert and filter for filtration of fluids

 #26
20160243469
2016-08-25

Filter Module For a Device For Purifying Liquids (Variants)

 #27
20160220925
2016-08-04

Filter cartridge

 #28
20160167981
2016-06-16

Gravity filter designs configured for increased residence time

 #29
20160089618
2016-03-31

Ion-exchanger

 #30
20160023918
2016-01-28

Systems and methods of eliminating filter air locks

 #31
20150033788
2015-02-05

Receiver dryer, method of manufacturing receiver dryer and air-conditioning system

 #32
20140263019
2014-09-18

Cartridge Structure for a Water Filter

 #33
20140202949
2014-07-24

Composite filter apparatus

 #34
20140014567
2014-01-16

Scale prevention for aircraft water system

 #35
20140014566
2014-01-16

Gravity filter

 #36
20130306562
2013-11-21

CARTRIDGE FILTER COMBINING A DEPTH FILTER AND A SUB-MICRON FILTER, AND RO PRE-TREATMENT METHOD

 #37
20120267311
2012-10-25

Filtering machine

 #38
20120118809
2012-05-17

Filter apparatus

 #39
20110201041
2011-08-18

Encapsulation of nano-materials for fluid purification/separation

 #40
20110084032
2011-04-14

Additive dispersing filter and method of making

 #41
20080149559
2008-06-26

Filter device and method for manufacturing the same

 #42
20080110819
2008-05-15

STAGED OIL FILTER INCORPORATING ADDITIVE-RELEASING PARTICLES

 #43
20080099407
2008-05-01

Additive dispersing filter and method of making

 #44
20080078715
2008-04-03

Ion Exchange and Particulate Filter Assembly

 #45
20070295667
2007-12-27

Water filter apparatus and methodology

 #46
20070267337
2007-11-22

FILTER ASSEMBLY

 #47
20070034559
2007-02-15

Combination particulate and acid-neutralizing filter

 #48
20070017879
2007-01-25

Filtration cartridge and process for filtering a slurry

 #49
20060043009
2006-03-02

Micro filter device for an in line filtering configuration

 #50
20060000760
2006-01-05

Combination particulate and acid-neutralizing filter

 #51
20050072725
2005-04-07

Inline water filter

 #52
20050040092
2005-02-24

Additive dispersing filter and method of making

 #53
18198008
2026-03-31

Lightweight fibrous media (LFM) filter

 #54
17964790
2023-05-09

Reusable activated carbon filter