ClassID:

29261

B01D33/50 - CPC Classification

Classification description:

Filters with filtering elements which move during the filtering operation; Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles

Sub-classes:
Recent Application in this class:
#1
20250018318
2025-01-16

FILTER DEVICE FOR THE HIGH-PRESSURE FILTRATION OF A PLASTIC MELT

#2
20240325949
2024-10-03

CUTTING FLUID CIRCULATION DEVICE

#3
20240299869
2024-09-12

FILTRATION ARRANGEMENTS AND FILTRATION APPARATUS

#4
20240224958
2024-07-11

Industrialized Fish and Algae Farming System and Method with Recirculating Water

#5
20240199442
2024-06-20

INSTALLATION FOR TREATING WASTEWATER FROM A TOILET AND SANITARY UNIT COMPRISING SUCH AN INSTALLATION

#6
20230338880
2023-10-26

Disc filter pre-screen dual media disc filter

#7
20230211262
2023-07-06

FISH POND FILTRATION DEVICE

#8
20220410033
2022-12-29

Filter Element, Filter, Filtration System and Cleaning System

#9
20220339564
2022-10-27

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

#10
20220333595
2022-10-20

Liquid intake filters

#11
20220331721
2022-10-20

FLUID FILTER AND METHOD OF USE OF SAME

#12
20220266177
2022-08-25

SEPTIC TANK AUTOMATIC EFFLUENT FILTER CLEANING SYSTEM

#13
20220168673
2022-06-02

Rotary disc filter having a backwash system that includes a compact nozzle support structure

#14
20220144667
2022-05-12

WATER RECYCLING SYSTEM

#15
20210402334
2021-12-30

Filtering apparatus and method

#16
20210138368
2021-05-13

Filtering panel and method of making the same

#17
20210129059
2021-05-06

DISC FILTER PRE-SCREEN DUAL MEDIA DISC FILTER

#18
20200368651
2020-11-26

Optimization of rotary filters relative to risk of clogging a facility for pumping water from a natural site

#19
20200325894
2020-10-15

Liquid intake filters

#20
20200282345
2020-09-10

Rotary disc filter having backwash guides

#21
20200245651
2020-08-06

Antimicrobial application system with recycle and capture

#22
20200206661
2020-07-02

Cleaning Systems and Methods for Rotary Screen Separators

#23
20200094174
2020-03-26

FEED SYSTEMS AND METHODS FOR ROTARY SCREEN SEPARATORS

#24
20200009484
2020-01-09

Water filter

#25
20190314743
2019-10-17

Rotary disc filter having a backwash system that includes a compact nozzle support structure

#26
20190255468
2019-08-22

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

#27
20190224597
2019-07-25

Disc filter pre-screen dual media disc filter

#28
20190224595
2019-07-25

Feed systems and methods for rotary screen separators

#29
20190070615
2019-03-07

Cutting fluid recycling device

#30
20190060800
2019-02-28

Cylindrical filtration filter

#31
20190030464
2019-01-31

Antimicrobial application system with recycle and capture

#32
20180272488
2018-09-27

Chip conveyor and machine tool

#33
20180178147
2018-06-28

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

#34
20180147509
2018-05-31

Filtering panel and method of making the same

#35
20180111069
2018-04-26

BALLAST WATER TREATMENT DEVICE

#36
20180050291
2018-02-22

SLURRY-LIQUID SEPARATOR FILTER AND FILTRATION METHOD USING THE SAME

#37
20170232368
2017-08-17

LOW ENERGY CONSUMPTION BELT FILTER CLEANING SYSTEM

#38
20170157540
2017-06-08

Rotary disc filter

#39
20170072345
2017-03-16

METHOD AND APPARATUS FOR CLEANING A ROTATING BELT SIEVE

#40
20170072342
2017-03-16

Simultaneous accomplishment for filtration and washing at pore controllable fiber filter

#41
20170043284
2017-02-16

High flow disc filter

#42
20160325208
2016-11-10

Device for removing impurities from a liquid and method for cleaning a corresponding device

#43
20160236122
2016-08-18

Ballast water treatment device

#44
20160236121
2016-08-18

Filtration system and method for filtering a liquid

#45
20160129377
2016-05-12

Rotary disc filter with automatic integrated backwash and chemical cleaning system

#46
20160045871
2016-02-18

Filtration and emulsification device

#47
20150343344
2015-12-03

Cleaning systems and methods for rotary screen separators

#48
20150343343
2015-12-03

Feed systems and methods for rotary screen separators

#49
20150336035
2015-11-26

Extractor with screen washing system

#50
20150314222
2015-11-05

Sieve drum and installation equipped with it for removing materials to be sieved from a liquid

#51
20150290564
2015-10-15

Rotary disc filter device

#52
20150246302
2015-09-03

HIGH FLOW DISC FILTER

#53
20150224429
2015-08-13

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

#54
20150114899
2015-04-30

Sieve Device for Separating and Removing Impurities from Sewage

#55
20150096945
2015-04-09

SLURRY-LIQUID SEPARATOR FILTER AND FILTRATION METHOD USING THE SAME

#56
20150060341
2015-03-05

Liquid solid separator

#57
20150021258
2015-01-22

Antimicrobial application system with recycle and capture

#58
20150008194
2015-01-08

Disc filter

#59
20140367322
2014-12-18

ROTARY STRAINER

#60
20140360950
2014-12-11

Trash tolerant filter support for a disc filter

#61
20140138300
2014-05-22

Self-cleaning screen assembly for filtering irrigation water

#62
20140124461
2014-05-08

Process for Inhibiting Biological Growth On a Gravity Fed Disc Filter

#63
20140124431
2014-05-08

Filtration method with self-cleaning filter assembly

#64
20140048474
2014-02-20

BACKWASHING SUCTION DEVICE AND FABRIC FILTERING APPARATUS USING THE SAME

#65
20130161242
2013-06-27

Working fluid filtering device for electrical discharge machine

#66
20130140248
2013-06-06

Systems, devices and methods for high volume fluid filtering

#67
20130105382
2013-05-02

Disc filter

#68
20130043179
2013-02-21

Filtration tank with serially connected horizontal screens

#69
20120298573
2012-11-29

Disc filter

#70
20120175294
2012-07-12

Apparatus for filtering sewage and wastewater

#71
20120111805
2012-05-10

Device and method for cleaning a filter cloth

#72
20120073676
2012-03-29

Device and Process for Removing Screenings from Liquid Flowing in a Channel

#73
20120055887
2012-03-08

Filtration method with self-cleaning filter assembly

#74
20110284474
2011-11-24

Screening device for supplying water to an industrial installation

#75
20110233132
2011-09-29

Self-cleaning screen assembly for filtering irrigation water

#76
20110186502
2011-08-04

COMBINATION TRAVELING WATER SCREEN APPARATUS

#77
20110139692
2011-06-16

Traveling band screen machine

#78
20110042292
2011-02-24

Belt filter apparatus

#79
20100213114
2010-08-26

SELF-CLEANING FILTRATION MACHINE WITH ROTARY DRUM FILTER FOR CONTAMINATED LIQUIDS

#80
20100193426
2010-08-05

Filter system

#81
20100032388
2010-02-11

Device and method for cleaning a filter cloth

#82
20100018909
2010-01-28

VIBRATING SCREEN

#83
20100012564
2010-01-21

DEVICE FOR HOLDING AND SEPARATING CHIPPINGS AND COOLING LIQUID ACCUMULATING ON MACHINE TOOLS (CONVEYANCE)

#84
20090321345
2009-12-31

Filter for fluids in conduits

#85
20090301939
2009-12-10

Apparatus and method for separating solids from a solids laden liquid

#86
20090200248
2009-08-13

Belt Filter Apparatus

#87
20090196967
2009-08-06

Application system with recycle and related use of antimicrobial quaternary ammonium compound

#88
20090152186
2009-06-18

Filtering apparatus with hinge belt

#89
20090050580
2009-02-26

Filtering Apparatus and Filtering Method

#90
20090026125
2009-01-29

Filtering apparatus

#91
20090020484
2009-01-22

Venting device for a disc filter

#92
20090020483
2009-01-22

Trash tolerant filter support for a disc filter

#93
20080035584
2008-02-14

High flow disc filter

#94
20070227956
2007-10-04

Self-cleaning screen with check valve for use in shallow water pumping

#95
20070102373
2007-05-10

Apparatus for separating suspensions

#96
20060231478
2006-10-19

Filter device and method for the periodic cleaning of a filter

#97
20060049112
2006-03-09

Coolant fluid cleaning method, system, and apparatus

#98
20060021921
2006-02-02

Apparatus for removing fine material from a liquid

#99
20060011562
2006-01-19

Dual filter system for filtering of injector fluids

#100
20050247610
2005-11-10

Apparatus for removing material from a liquid flowing through a channel

#101
20050077254
2005-04-14

Dual filter system for filtering of injector fluids

#102
20050067355
2005-03-31

Apparatus for concentrating sludge

#103
15411121
2019-02-19

Mobile wet waste separator