Patents-Review.com
ClassID:

28854 ⎘

B01D24/12 - 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 filtering material being supported by pervious surfaces

Sub-classes:
Recent Application in this class:
#1
20260138057
2026-05-21

MULTI-ZONE FILTRATION DEVICE FOR A DOWN-FLOW HYDROPROCESSING REACTOR

 #2
20260061343
2026-03-05

WATER FILTER WITH REPLACEABLE ACTIVE COMPONENTS

 #3
20250248438
2025-08-07

VESSEL SCREEN RETAINING SYSTEM AND METHOD

 #4
20250050245
2025-02-13

WATER TREATMENT SYSTEM AND METHOD INCLUDING A DRAFT TUBE SYSTEM AND EDUCTOR

 #5
20250010222
2025-01-09

FILTER, WATER FILTER, AND ABOVE-GROUND POOL

 #6
20240390828
2024-11-28

DEVICE AND METHOD FOR HARMLESS TREATMENT AND REGENERATION OF WASTE LIQUID DISCHARGE DURING WATER GLASS MOLD SHELL HARDENED WITH AMMONIUM CHLORIDE SOLUTION

 #7
20240196951
2024-06-20

Vessel screen retaining system and method

 #8
20230203685
2023-06-29

Sustainable, facile separation of the molten carbonate electrolysis cathode product

 #9
20230149835
2023-05-18

REGENERABLE SYSTEM AND METHOD FOR FILTERING MICROFIBRES FROM A WASTE LIQUID

 #10
20230069293
2023-03-02

Environmentally friendly water intake and pretreatment system

 #11
20220194815
2022-06-23

Water filter medium container

 #12
20220193578
2022-06-23

WATER FILTER AND WATER FILTRATION APPARATUS

 #13
20220174919
2022-06-09

Aquarium filter arrangement including pre-filter member and methods

 #14
20220167657
2022-06-02

Vessel screen retaining system and method

 #15
20220096968
2022-03-31

FILTER SYSTEM FOR TREATING CONTAMINATED LIQUIDS

 #16
20220042193
2022-02-10

Sustainable, facile separation of the molten carbonate electrolysis cathode product

 #17
20210394096
2021-12-23

Multilayer Media Bed Filter Comprising Glass Bead Micromedia

 #18
20210354057
2021-11-18

Enhanced shape support grid

 #19
20210292191
2021-09-23

Filtration media, system and method for the removal of phosphorus and coliforms

 #20
20210188660
2021-06-24

Modular underdrain systems

 #21
20210138375
2021-05-13

Modular filtration system and method

 #22
20210069617
2021-03-11

Filtration device

 #23
20200338471
2020-10-29

Water treatment tank with distributor plate assembly and method of assembly

 #24
20200290891
2020-09-17

Modular underdrain systems

 #25
20200179838
2020-06-11

Multistage fiber filtering apparatus capable of selectively filtering

 #26
20200122060
2020-04-23

Fiber filtering apparatus

 #27
20200108332
2020-04-09

Combination Of An Integrated Skimmer With A Deep Bed Media Filter

 #28
20200055741
2020-02-20

Liquid purification device

 #29
20200009482
2020-01-09

Water filter cartridge having an air vent

 #30
20190263677
2019-08-29

Environmentally friendly water intake and pretreatment system

 #31
20190232244
2019-08-01

Scale collection device for downflow reactors

 #32
20190232243
2019-08-01

Scale collection device for downflow reactors

 #33
20190193039
2019-06-27

Scale collection device for downflow reactors

 #34
20190193038
2019-06-27

Scale collection device for downflow reactors

 #35
20190134538
2019-05-09

Filter cartridge of water purification system

 #36
20190112828
2019-04-18

Portable pool filter system

 #37
20190069594
2019-03-07

Vessel screen retaining system and method

 #38
20190063027
2019-02-28

Mobile microalgae harvesting

 #39
20190055137
2019-02-21

Fluid treatment tank having a distributor plate

 #40
20190039000
2019-02-07

Underdrain system using one-piece cell dividers

 #41
20190001247
2019-01-03

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

 #42
20180361323
2018-12-20

Processing systems for produced water and methods for recovering organic compounds from the produced water

 #43
20180194090
2018-07-12

Method for producing a pattern in or on a support

 #44
20180056213
2018-03-01

Infiltration intake system for revetment wall

 #45
20180050283
2018-02-22

Infiltration intake system

 #46
20180028945
2018-02-01

Fiber filtering apparatus

 #47
20170368482
2017-12-28

Multistage fiber filtering apparatus capable of selectively filtering

 #48
20170120170
2017-05-04

Synthetic compressible medium filter backwash processes

 #49
20170036925
2017-02-09

Water softening device for use for a pet

 #50
20170001130
2017-01-05

Filter structure

 #51
20160339361
2016-11-24

WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD USING THE SAME

 #52
20160311694
2016-10-27

Fluid treatment tank having a distributor plate

 #53
20160243468
2016-08-25

Fluid filtration system

 #54
20160031724
2016-02-04

Systems, devices, and methods of water filtration

 #55
20160030864
2016-02-04

SUSPENDED SOLIDS FILTER SYSTEM

 #56
20150182884
2015-07-02

Hybrid type fiber filtering apparatus

 #57
20150136679
2015-05-21

Ion exchanging apparatus

 #58
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

 #59
20140291224
2014-10-02

Filter medium layer and filter device provided with same

 #60
20140202949
2014-07-24

Composite filter apparatus

 #61
20130220946
2013-08-29

FOAM DRIVE SYSTEM AND METHOD FOR DEWATERING FILTER CAKE

 #62
20120118809
2012-05-17

Filter apparatus

 #63
20120103917
2012-05-03

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

 #64
20120037730
2012-02-16

Variable flow screen nozzle

 #65
20110220641
2011-09-15

Water treatment pressure vessel having internal conical distributor plates

 #66
20090078635
2009-03-26

Device for treating a fluid

 #67
20070181486
2007-08-09

Water quality drain basin insert

 #68
20070125694
2007-06-07

Filtration device

 #69
20060070947
2006-04-06

Method and apparatus for treating water

 #70
20050252843
2005-11-17

Filter device

 #71
20050218086
2005-10-06

Method for filtering water in an aquarium, a water cultivation tank and similar water bonds, and corresponding filtering system

 #72
20050161412
2005-07-28

Filter apparatus backwash removal device and backwash removal method

 #73
20050161411
2005-07-28

Apparatus and method for filtering fluids with multi-material filter media

 #74
18198008
2026-03-31

Lightweight fibrous media (LFM) filter

 #75
15359494
2019-09-10

Modular distribution and collection assemblies, filter assemblies, and related methods

 #76
15282550
2020-01-07

Continuous water filtration, disinfection and conservation system