ClassID:

29238

B01D33/21 - CPC Classification

Classification description:

Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft

Sub-classes:
Recent Application in this class:
#1
20260138065
2026-05-21

Rotary Disc Filter Having a High Pressure Media Cleaning System

#2
20240408519
2024-12-12

DISC FILTER CONTROL SYSTEMS AND METHODS

#3
20240238705
2024-07-18

ROTARY DISK FILTER FOR FILTERING WASTE WATER, AND SPRAY NOZZLE FOR A ROTARY DISK FILTER

#4
20240224958
2024-07-11

Industrialized Fish and Algae Farming System and Method with Recirculating Water

#5
20240115978
2024-04-11

Disc filters and methods of operating disc filters

#6
20240082757
2024-03-14

FILTER UNIT LIFTING SYSTEM

#7
20240066447
2024-02-29

BI-DIRECTIONAL FILTER

#8
20230271118
2023-08-31

DISC FILTER HAVING A SUCTION DEVICE, AND METHOD FOR FILTERING FLUIDS USING A DISC FILTER

#9
20230191292
2023-06-22

Device and method for simultaneously producing separate filtrates from a single substrate

#10
20230173417
2023-06-08

Systems and processes employing wet/dry suction filter

#11
20220387912
2022-12-08

APPARATUS, SYSTEMS, AND PROCESSES EMPLOYING WET/DRY SUCTION FILTER WITH CHICANED SUCTION HEAD

#12
20220339564
2022-10-27

Multi-structure filtration device for filtering, separating, and dehydrating foreign substances in water

#13
20210291087
2021-09-23

Disc filters and methods of operating disc filters

#14
20210283537
2021-09-16

Backwashing suction device for fabric filtration apparatus

#15
20210138368
2021-05-13

Filtering panel and method of making the same

#16
20200324229
2020-10-15

Arrangement and method for detecting a damage of a filter fabric of a disc filter at a disc filter unit using microphones

#17
20200282345
2020-09-10

Rotary disc filter having backwash guides

#18
20190263678
2019-08-29

Process and apparatus for separating valuable or harmful liquids from slurries

#19
20190255468
2019-08-22

Frame-type disc filter with bypass water control for preventing bypass water from being used in backwashing

#20
20190111364
2019-04-18

Filter disc

#21
20180369724
2018-12-27

Device for Filtering Fiber Suspensions

#22
20180345184
2018-12-06

Filter disc

#23
20180326358
2018-11-15

Rotary filter arrangement having a plurality of hollow shafts

#24
20180318737
2018-11-08

ROTATING FILTER ARRANGEMENT HAVING MULTIPLE HOLLOW SHAFTS

#25
20180222769
2018-08-09

PROCESS AND APPARATUS FOR SEPARATING VALUABLE OR HARMFUL LIQUIDS FROM SLURRIES

#26
20180178147
2018-06-28

Filter panel with structures support grid and drum filter with said filter panel

#27
20180147509
2018-05-31

Filtering panel and method of making the same

#28
20180050291
2018-02-22

SLURRY-LIQUID SEPARATOR FILTER AND FILTRATION METHOD USING THE SAME

#29
20170349455
2017-12-07

Apparatus, method and system for desalinating water

#30
20170319981
2017-11-09

Device, system and method for extracting and filtering a suspension, preferably containing plant constituents, by means of rotating filter elements

#31
20170313963
2017-11-02

Device, system and method for obtaining and/or for clarifying wort and other media in the beer brewing and beverage industry and corresponding uses

#32
20170183818
2017-06-29

A METHOD OF FEEDING A SEALING MEDIUM INTO A LIQUOR FILTER AND A LIQUOR FILTER

#33
20170165597
2017-06-15

Filter employing stack of filter disks

#34
20170157540
2017-06-08

Rotary disc filter

#35
20170043284
2017-02-16

High flow disc filter

#36
20160263497
2016-09-15

Disc filter and a method of constructing a disc filter sector

#37
20160074784
2016-03-17

Filter plate, filter disc apparatus, and a method for controlling a disc filter

#38
20160045871
2016-02-18

Filtration and emulsification device

#39
20160038857
2016-02-11

Neck element of disc filter sector and disc filter sector

#40
20150290566
2015-10-15

Method for removing the precoat layer of a rotary filter

#41
20150283777
2015-10-08

Rotary fan press with auger

#42
20150283485
2015-10-08

FILTER DEVICE AND FILTRATION METHOD

#43
20150225895
2015-08-13

Method and apparatus for obtaining strong white liquor and lime mud with low residual alkali level

#44
20150224430
2015-08-13

Fluid filtration device

#45
20150224429
2015-08-13

Machine for continuous microfiltration of process and waste water, for reuse thereof in agriculture and industry

#46
20150190740
2015-07-09

Rotary disc filter and module for constructing same

#47
20150128434
2015-05-14

Method and equipment for measuring the filter sectors in disc filters

#48
20150101974
2015-04-16

Filter for continuous filtration of a suspension under pressure

#49
20150096945
2015-04-09

SLURRY-LIQUID SEPARATOR FILTER AND FILTRATION METHOD USING THE SAME

#50
20150008194
2015-01-08

Disc filter

#51
20140374363
2014-12-25

Method and apparatus for reducing the thickness of a precoat layer of a disc filter

#52
20140311994
2014-10-23

Device for reducing friction between sealing plates of filtration units, and use thereof in a filtration method

#53
20140291260
2014-10-02

Appliance for filtering liquids, in particular waste water, and method for filtering liquids

#54
20140124461
2014-05-08

Process for Inhibiting Biological Growth On a Gravity Fed Disc Filter

#55
20140102972
2014-04-17

DEVICE FOR FILTERING LIQUIDS

#56
20130299415
2013-11-14

Reactors for forming foam materials from high internal phase emulsions, methods of forming foam materials and conductive nanostructures therein

#57
20130213876
2013-08-22

Device including a compact spray nozzle for cleaning a filter cloth in a disc filter

#58
20130206677
2013-08-15

Self-Cleaning Fluid-Filtering Apparatus

#59
20130153486
2013-06-20

Rotary disc filter and module for constructing same

#60
20130105382
2013-05-02

Disc filter

#61
20130075323
2013-03-28

Water treatment apparatus

#62
20130048553
2013-02-28

Suction apparatus for fabric filter and filtering device for liquid filtration using the same

#63
20130043180
2013-02-21

Filtration Device

#64
20130037475
2013-02-14

Filtration Device

#65
20120325753
2012-12-27

Method and apparatus for treating water and controlling effluent surges produced by disc and drum filters

#66
20120298573
2012-11-29

Disc filter

#67
20120234747
2012-09-20

FILTER DEVICE

#68
20120111805
2012-05-10

Device and method for cleaning a filter cloth

#69
20120080370
2012-04-05

Water Treatment Apparatus

#70
20120000842
2012-01-05

Rotary disc filter and module for constructing same

#71
20110204001
2011-08-25

Device for extracting cakes resulting from pressurized disc filtration, and associated extraction method

#72
20110203988
2011-08-25

Scrapping device for a pressurised filtration plant

#73
20110192784
2011-08-11

Rotary fan press

#74
20110001068
2011-01-06

HOSE VALVE FOR FEEDING FINE GRAINED MATERIAL

#75
20110000834
2011-01-06

System for reception and transport of lime mud from a white liquor filter

#76
20100326927
2010-12-30

ROTARY SCRAPER PLOWS FOR ROTARY FAN PRESS

#77
20100307665
2010-12-09

Reactors for forming foam materials from high internal phase emulsions, methods of forming foam materials and conductive nanostructures therein

#78
20100032388
2010-02-11

Device and method for cleaning a filter cloth

#79
20100012573
2010-01-21

Rotary fan press

#80
20100012570
2010-01-21

Rotary disc filter and module for constructing same

#81
20090261031
2009-10-22

Filter device

#82
20090166283
2009-07-02

Filter Device and Method for Purifying Polluted Liquids

#83
20090159514
2009-06-25

Reactor comprising a stack of filter plates

#84
20090026152
2009-01-29

MODULAR FILTER AND VACUUM HEAD ASSEMBLY FOR A FILTERING APPARATUS

#85
20090020484
2009-01-22

Venting device for a disc filter

#86
20090020483
2009-01-22

Trash tolerant filter support for a disc filter

#87
20080223773
2008-09-18

Rotary fan press

#88
20080164222
2008-07-10

Method and apparatus for thickening lime mud in a disc filter

#89
20080035584
2008-02-14

High flow disc filter

#90
20070102338
2007-05-10

Filtering device

#91
20070084783
2007-04-19

Filter apparatus

#92
20060260999
2006-11-23

Rotary disc filter and module for constructing same

#93
20060186034
2006-08-24

Filter device for the clarification of contaminated liquids

#94
20060144775
2006-07-06

Rotary filter device for filtering liquids

#95
20060060521
2006-03-23

Filter device

#96
20050279680
2005-12-22

Water intake screen with circular filter panel

#97
20050263918
2005-12-01

Process for the manufacturing of filter elements as well as filter elements obtained in a such process

#98
20050121381
2005-06-09

Filter disc with panel sectors

#99
20050103727
2005-05-19

Sequential swinging precoat removal and renewal system, filter so equipped, and method

#100
20050029183
2005-02-10

Filter comprising rotatable, disk-shaped filter elements

#101
20050000917
2005-01-06

Method and apparatus for extracting liquid present in a humid mass