Patents-Review.com
ClassID:

28856 ⎘

B01D24/14 - CPC Classification

Classification description:

Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container Downward filtration, the container having distribution or collection headers or pervious conduits

Sub-classes:
Recent Application in this class:
#1
20260061344
2026-03-05

MEDIA VESSEL FOR LIQUID TREATMENT

 #2
20250367578
2025-12-04

Method and Apparatus for Cleaning Filter Media

 #3
20250319426
2025-10-16

Filtration System

 #4
20240408517
2024-12-12

UNDERDRAIN AND SEPTA FOR MEDIA VESSEL AND METHOD OF CLEANING

 #5
20240359116
2024-10-31

APPARATUS AND METHOD FOR IMPROVING THE EFFICIENCY OF A NEW OR EXISTING FILTER FOR FILTERING WATER OR WASTEWATER

 #6
20240238715
2024-07-18

Pool filter assembly

 #7
20230211259
2023-07-06

Apparatus and method for improving the efficiency of a new or existing filter for filtering water or wastewater

 #8
20230127000
2023-04-27

Media tank

 #9
20230105431
2023-04-06

SUPPORT GRID ASSEMBLY FOR PRESSURE VESSEL

 #10
20230103496
2023-04-06

BIOLOGICAL TREATMENT APPARATUS

 #11
20220258091
2022-08-18

Pool filter assembly

 #12
20220176276
2022-06-09

Multilayer Media Bed Filter with Improved Backwash

 #13
20220096988
2022-03-31

Pool filter assembly

 #14
20210370204
2021-12-02

SATURATED LAYER STORMWATER FILTRATION SYSTEM

 #15
20210354056
2021-11-18

SUPPORT GRID ASSEMBLY FOR PRESSURE VESSEL

 #16
20210188660
2021-06-24

Modular underdrain systems

 #17
20210093986
2021-04-01

Methods for cleaning filtration system media

 #18
20210086108
2021-03-25

Scrubbing backwash filter

 #19
20210002145
2021-01-07

Particulate filtering device with a multi-layer water distribution and collection structure and method for using the same

 #20
20200269170
2020-08-27

Dynamic separation and filtration

 #21
20200038784
2020-02-06

Nozzles/screens used in the fluid processing units

 #22
20190060797
2019-02-28

Method and apparatus for liquid/solid separation such as dewatering particulate solids and agitation leaching

 #23
20190046901
2019-02-14

Methods for cleaning filtration system media

 #24
20180333659
2018-11-22

Self-cleaning, groutless, filter underdrain

 #25
20180296947
2018-10-18

Mechanical filter element, apparatus and method

 #26
20180126301
2018-05-10

Filter backwash nozzle

 #27
20180099237
2018-04-12

Multilayer Media Bed Filter with Improved Backwash

 #28
20180050283
2018-02-22

Infiltration intake system

 #29
20180036652
2018-02-08

Fluid distribution unit for a chromatography column

 #30
20180008911
2018-01-11

Filtering device and cleaning unit for removing dirt particles from a filter element of a filtering device

 #31
20170326478
2017-11-16

Saturated layer stormwater filter and passive stormwater management system with pretreatment

 #32
20170259197
2017-09-14

Dynamic separation and filtration

 #33
20170173495
2017-06-22

FLUID DISTRIBUTION UNIT FOR A CHROMATOGRAPHY COLUMN

 #34
20170001131
2017-01-05

Media Bed Filters for Filtering Fine Particles from a Raw Liquid Flow and Method of Using the Same

 #35
20160339362
2016-11-24

Filter backwash nozzle

 #36
20160250571
2016-09-01

Scrubbing backwash filter

 #37
20160236950
2016-08-18

Modular sand filtration-anchor system and wave energy water desalination system and methods of using potable water produced by wave energy desalination

 #38
20160236117
2016-08-18

Liquid filter device

 #39
20160031720
2016-02-04

Roll-up water bottle with closure/filter assembly

 #40
20150367255
2015-12-24

Method and apparatus for liquid/solid separation such as dewatering particulate solids and agitation leaching

 #41
20150190738
2015-07-09

Media bed filters for filtering fine particles from a raw liquid flow and method of using the same

 #42
20150033788
2015-02-05

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

 #43
20150008195
2015-01-08

Method for washing a filter having at least two layers of filtering media, in particular for filtering seawater, and equipment for implementing said method

 #44
20140353225
2014-12-04

Treatment of storm water

 #45
20140284283
2014-09-25

Method and apparatus for treating liquid containing impurities

 #46
20140217000
2014-08-07

System including a water treatment tank and a device for interfering with the removal of a riser tube from the water treatment tank

 #47
20140216995
2014-08-07

APPARATUS FOR TREATING LIQUID CONTAINING IMPURITIES

 #48
20140183111
2014-07-03

Modular system for storm water and/or waste water treatment

 #49
20140166594
2014-06-19

External device for cleaning filtration material and adapted for application to filtration device

 #50
20130270199
2013-10-17

Filter media for use in pool filters

 #51
20130206698
2013-08-15

Filter having spiral-shaped distributor channels

 #52
20130081984
2013-04-04

Water filter system

 #53
20130068675
2013-03-21

Unit, assembly and apparatus for treating fluid

 #54
20130032516
2013-02-07

Unitary filter tank and an underdrain for filtering a body of water

 #55
20120292245
2012-11-22

Filtration media cleaning apparatus

 #56
20120187053
2012-07-26

METHOD AND DEVICE FOR PREPARING A PROCESSING LIQUID ACCUMULATED IN THE COURSE OF A CONTAINER CLEAINING

 #57
20120103917
2012-05-03

Water treatment apparatus and a method for cleaning a filter layer of a water treatment apparatus

 #58
20110278220
2011-11-17

Coiled continuous flow water treatment apparatus and method

 #59
20110168643
2011-07-14

Method and apparatus for treating liquid containing impurities

 #60
20110168641
2011-07-14

Method and computer program product for treating liquid containing impurities

 #61
20110168615
2011-07-14

Apparatus for treating liquid containing impurities

 #62
20110127224
2011-06-02

Filter media for use in pool filters

 #63
20110056881
2011-03-10

Household water filter

 #64
20100320159
2010-12-23

Method and device for cleaning non-fixed media filters

 #65
20100270218
2010-10-28

Syphon filtration system

 #66
20100206795
2010-08-19

DISTRIBUTOR FOR DOMESTIC WATER FILTERS

 #67
20100147759
2010-06-17

External device for cleaning filtration material and adapted for application to filtration device

 #68
20090294356
2009-12-03

Backwashing unsaturated wastewater filter

 #69
20080302715
2008-12-11

Sand filter and method of constructing same

 #70
20080099413
2008-05-01

Method of Filtering Liquid Media

 #71
20080041780
2008-02-21

Fluid distribution apparatus

 #72
20070163939
2007-07-19

Distributor for water conditioner

 #73
20070125694
2007-06-07

Filtration device

 #74
20060124527
2006-06-15

Filter devices including a porous body

 #75
20060108274
2006-05-25

Flow distribution apparatus

 #76
20060021922
2006-02-02

Filtration installation for filtering the water of a water pool

 #77
20050098493
2005-05-12

Water filter

 #78
20050035071
2005-02-17

Distribution and collection headers for a filter bed

 #79
18103958
2024-06-25

Integrated grommet filter

 #80
17746246
2023-02-21

Lightweight fibrous media (LFM) filter