ClassID:

29230

B01D33/073 - CPC Classification

Classification description:

Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration

Sub-classes:
Recent Application in this class:
#1
20260048348
2026-02-19

CENTRIFUGAL SOLIDS-LIQUID SEPARATOR SYSTEM

#2
20250341040
2025-11-06

FILTERING CAP FOR AN IMPELLER OF A VERTICAL AXIS LAUNDRY APPLIANCE

#3
20250146770
2025-05-08

COOLANT PROCESSING DEVICE

#4
20250049285
2025-02-13

DISHWASHER FILTER ASSEMBLY

#5
20250018320
2025-01-16

PORTABLE FLUID FILTERING APPARATUS

#6
20240416263
2024-12-19

ROTATING IRRIGATION SCREEN APPARATUS

#7
20240401260
2024-12-05

FILTERING DEVICE AND WASHING MACHINE

#8
20240238705
2024-07-18

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

#9
20240199442
2024-06-20

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

#10
20240167224
2024-05-23

METHOD AND APPARATUS FOR TREATING MIXTURES OF LIQUIDS AND SOLIDS

#11
20240035226
2024-02-01

FILTERING CAP FOR AN IMPELLER OF A VERTICAL AXIS LAUNDRY APPLIANCE

#12
20230338880
2023-10-26

Disc filter pre-screen dual media disc filter

#13
20230330572
2023-10-19

SELF-CLEANING INTAKE FILTER

#14
20230302384
2023-09-28

DRUM WASHER WITH GRAVITY ASSIST DRAINAGE

#15
20230302383
2023-09-28

APPARATUS FOR CONTINUOUSLY FILTERING A SLUDGE SUSPENSION

#16
20230200618
2023-06-29

Dishwasher filter assembly

#17
20230173417
2023-06-08

Systems and processes employing wet/dry suction filter

#18
20220387912
2022-12-08

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

#19
20220370935
2022-11-24

Rotary pressure filter

#20
20220355225
2022-11-10

Externally Fed Screen for Filtration

#21
20220339564
2022-10-27

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

#22
20220333595
2022-10-20

Liquid intake filters

#23
20220331723
2022-10-20

SELF CLEANING DEVICE AND METHOD FOR CONTINUOUS FILTRATION OF HIGH VISCOSITY FLUIDS

#24
20220312747
2022-10-06

Recirculating aquaculture system using biofloc fermenter and aquaponics

#25
20220305413
2022-09-29

Filter panel for drum filters

#26
20220234320
2022-07-28

Device and method for separating substances of different flowability that are mixed together

#27
20220227704
2022-07-21

Process for filtering 2-acrylamido-2-methylpropane sulfonic acid

#28
20220226796
2022-07-21

Methods, devices and systems for processing of carbonaceous compositions

#29
20220111477
2022-04-14

SLUDGE TREATMENT DEVICE AND SLUDGE TREATMENT SYSTEM

#30
20210268410
2021-09-02

ROTARY DRUM FILTER DECK ASSEMBLY COMPRISING A CLIP

#31
20210252436
2021-08-19

Rotary drum vacuum filter with a throttling valve

#32
20210187420
2021-06-24

Systems and processes employing wet/dry suction filter

#33
20210129059
2021-05-06

DISC FILTER PRE-SCREEN DUAL MEDIA DISC FILTER

#34
20210113946
2021-04-22

ROTATING FILTERS AND RELATED SYSTEMS

#35
20200368651
2020-11-26

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

#36
20200325894
2020-10-15

Liquid intake filters

#37
20200197873
2020-06-25

Self-cleaning and monitoring filtration system

#38
20200197844
2020-06-25

Pipeline strainer

#39
20200182494
2020-06-11

Air scrubber

#40
20200164290
2020-05-28

ROTARY VACUUM FILTER, METHOD, AND USE

#41
20200147531
2020-05-14

ROLLER FILTRATION APPARATUS

#42
20200086288
2020-03-19

Methods, devices and systems for processing of carbonaceous compositions

#43
20200001212
2020-01-02

FILTERING METHOD AND APPARATUS

#44
20190388809
2019-12-26

DRUM WASHER WITH GRAVITY ASSIST DRAINAGE

#45
20190366244
2019-12-05

Vacuum and/or pressure filtration device for filtration of a suspension

#46
20190329165
2019-10-31

Filter scraper

#47
20190247864
2019-08-15

Centrifugal filtering device and method for operating the same

#48
20190224597
2019-07-25

Disc filter pre-screen dual media disc filter

#49
20190193004
2019-06-27

Filter panel screen for a water intake including filter member with frusto-conical filter surface

#50
20190060800
2019-02-28

Cylindrical filtration filter

#51
20180280858
2018-10-04

Drum media holding band for filtration system

#52
20180272488
2018-09-27

Chip conveyor and machine tool

#53
20180207558
2018-07-26

Rotary pressure filter apparatus with reduced pressure fluctuations

#54
20180141087
2018-05-24

Method for separating a granular mixture in a flowing medium and device for carrying out said method

#55
20180071663
2018-03-15

Cylindrical filter panel screen for a water intake

#56
20170188783
2017-07-06

Rotating filter for a dishwasher and methods of cleaning a rotating filter

#57
20170157541
2017-06-08

Method and apparatus for improved solid-liquid filtration of filter cakes

#58
20170144088
2017-05-25

Solid-liquid separator

#59
20170050129
2017-02-23

FLOATING SUCTION HEAD ASSEMBLY

#60
20170036143
2017-02-09

Drum filter for water filtration and method therefor

#61
20170014740
2017-01-19

Rotary drum filtering apparatus

#62
20170001203
2017-01-05

CENTRIFUGAL FILTERING DEVICE AND METHOD FOR OPERATING THE SAME

#63
20170000076
2017-01-05

LIQUID/SOLID SEPARATOR

#64
20160325208
2016-11-10

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

#65
20160303496
2016-10-20

WATER TREATMENT DEVICE AND WATER TREATMENT METHOD

#66
20160271532
2016-09-22

PLEATED FILTER, BALLAST WATER TREATMENT APPARATUS, AND BALLAST WATER TREATMENT METHOD USING THE SAME

#67
20160263501
2016-09-15

Method of constructing a rotary drum filtering apparatus

#68
20160213220
2016-07-28

Soil chopping system for a dishwasher

#69
20160199883
2016-07-14

Drum, a machine comprising such drum, and a method for drum and manufacturing of such drum

#70
20160199762
2016-07-14

Waste processing system

#71
20160175745
2016-06-23

Method and system to recycle water for hydro-excavation

#72
20160144303
2016-05-26

PLEATED FILTER, BALLAST WATER TREATMENT APPARATUS, AND BALLAST WATER TREATMENT METHOD USING THE SAME

#73
20160114269
2016-04-28

FILTERING DEVICE, BALLAST WATER TREATMENT METHOD, AND BALLAST WATER TREATMENT APPARATUS USING THE SAME

#74
20160051914
2016-02-25

Pinned fly ring for rotary drum washer and method of manufacture

#75
20150375146
2015-12-31

Brine filtering device, applied to a meat product injection machine

#76
20150367260
2015-12-24

Double-action pusher centrifuge and pusher base device

#77
20150336651
2015-11-26

BALLAST WATER TREATMENT APPARATUS AND REVERSE CLEANING METHOD FOR BALLAST WATER TREATMENT APPARATUS

#78
20150283484
2015-10-08

Filtration system

#79
20150265952
2015-09-24

Self-Cleaning Intake Screen

#80
20150251112
2015-09-10

Splice systems and methods for ropes

#81
20150246301
2015-09-03

FILTERING APPARATUS, FILTER USED THEREIN , AND FILTER ELEMENT THEREOF

#82
20150224429
2015-08-13

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

#83
20150182890
2015-07-02

Solid-liquid separation with a no-dry rotary pressure filter

#84
20140367322
2014-12-18

ROTARY STRAINER

#85
20140246387
2014-09-04

Multi-purpose self-cleaning filter system

#86
20140175021
2014-06-26

Ballast water treatment system for ship

#87
20140138300
2014-05-22

Self-cleaning screen assembly for filtering irrigation water

#88
20140124431
2014-05-08

Filtration method with self-cleaning filter assembly

#89
20130220386
2013-08-29

Soil chopping system for a dishwasher

#90
20130043179
2013-02-21

Filtration tank with serially connected horizontal screens

#91
20130032515
2013-02-07

Cylindrical filter panel screen for a water intake

#92
20120312757
2012-12-13

Device and method for treating ballast water for ship

#93
20120285867
2012-11-15

Filter device, method for its operation and use thereof

#94
20120273432
2012-11-01

Filter device, method for its operation and use thereof

#95
20120175293
2012-07-12

Gravity-flow water purifier

#96
20120091052
2012-04-19

BRINE FILTERING DEVICE, APPLIED TO A MEAT PRODUCT INJECTION MACHINE

#97
20120055887
2012-03-08

Filtration method with self-cleaning filter assembly

#98
20120043285
2012-02-23

MANURE SEPARATOR

#99
20120018368
2012-01-26

Device and process for removing floating material from a liquid

#100
20110233132
2011-09-29

Self-cleaning screen assembly for filtering irrigation water

#101
20110233130
2011-09-29

METHOD AND ARRANGEMENT FOR FIXING AN ENDLESS WIRE

#102
20110114552
2011-05-19

Solid-liquid separator using roller system

#103
20110108475
2011-05-12

Solid-liquid separator using roller system

#104
20110017656
2011-01-27

ROTARY FILTRATION DEVICE

#105
20100282664
2010-11-11

DEVICE FOR DEWATERING OF PULP

#106
20100243584
2010-09-30

Automatic slurry strainer

#107
20100213114
2010-08-26

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

#108
20100193426
2010-08-05

Filter system

#109
20100072113
2010-03-25

Strainer apparatus

#110
20100065489
2010-03-18

Backwash filter

#111
20100058589
2010-03-11

Structured material web having a multi-dimensional structure, and method for the production thereof

#112
20100012564
2010-01-21

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

#113
20090211992
2009-08-27

WATER FILTRATION PURIFYING APPARATUS AND METHOD THEREOF

#114
20090152186
2009-06-18

Filtering apparatus with hinge belt

#115
20090050580
2009-02-26

Filtering Apparatus and Filtering Method

#116
20080156747
2008-07-03

Vacuum washer drum having a center and end drains and method for draining

#117
20080035554
2008-02-14

Filtering device

#118
20080023391
2008-01-31

Automatic slurry strainer

#119
20070284317
2007-12-13

Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration

#120
20070278162
2007-12-06

Method Of, And Apparatus For,Treating, Filtering And Cleaning A Working Medium

#121
20070227956
2007-10-04

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

#122
20070210014
2007-09-13

Process for preparing methylhydroxyalkylcellulose having a small number of coloured particles

#123
20070181492
2007-08-09

Chip carrying type chip filtration and discharge device

#124
20070170108
2007-07-26

Rotary drum vacuum filter

#125
20070114190
2007-05-24

Scraper adjustment mechanism and method

#126
20070102342
2007-05-10

On-the-fly long-running rotary filtration screen device

#127
20070090041
2007-04-26

Self-cleaning intake screen

#128
20070068867
2007-03-29

Device for continuously filtering material mixtures

#129
20070029248
2007-02-08

Device for receiving and separating chips and cooling liquid discharged from machine tools (drive)

#130
20070012613
2007-01-18

Drum structure for rotary drum filtering apparatus and methods of using same

#131
20060231478
2006-10-19

Filter device and method for the periodic cleaning of a filter

#132
20060219604
2006-10-05

Filter device

#133
20060213826
2006-09-28

Method and arrangement for continuous filtering of particles out of a liquid

#134
20060163128
2006-07-27

Filters

#135
20060124523
2006-06-15

Device for receiving and separating chips and cooling liquid discharged from machine tools (sealing)

#136
20060113238
2006-06-01

Device for receiving and separating chips and cooling liquid collection on machine tools (overflow)

#137
20060011562
2006-01-19

Dual filter system for filtering of injector fluids

#138
20050161391
2005-07-28

Device for continuous filtration of material blends

#139
20050126967
2005-06-16

Self-cleaning intake screen

#140
20050077254
2005-04-14

Dual filter system for filtering of injector fluids

#141
20050061727
2005-03-24

Device for receiving and separating chips created by machine-tools and coolant (drive)

#142
20050051473
2005-03-10

Rotating filter system

#143
20050012276
2005-01-20

Seal at press rollers

#144
20050000891
2005-01-06

Screen and process for manufacturing a screen of this kind

#145
20050000880
2005-01-06

Device for receiving and separating chips created by machine tools and coolant (overflow)

#146
18209637
2023-10-17

Rotating irrigation screen apparatus

#147
17145676
2023-05-02

Multi-stage filter assembly