ClassID:

29228

B01D33/067 - CPC Classification

Classification description:

Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums Construction of the filtering drums, e.g. mounting or sealing arrangements

Recent Application in this class:
#1
20250222378
2025-07-10

FILTERING APPARATUS, FILTERING METHOD, AND WATER TREATMENT SYSTEM

#2
20250153194
2025-05-15

CENTRIFUGE ROTOR SELF-BALANCING APPARATUS

#3
20250041775
2025-02-06

WATER RECOVERY SYSTEMS AND METHODS

#4
20240375028
2024-11-14

ROTARY DRUM FILTERING MACHINE FOR ALGAE FILTRATION

#5
20240091678
2024-03-21

MECHANICAL DEMOISTURIZING OF PARTIALLY-DECOMPOSED ORGANIC MATERIAL

#6
20240009599
2024-01-11

Concentric Dual Drum Screen

#7
20230330572
2023-10-19

SELF-CLEANING INTAKE FILTER

#8
20230302384
2023-09-28

DRUM WASHER WITH GRAVITY ASSIST DRAINAGE

#9
20230201749
2023-06-29

FILTERING PANEL AND DRUM FILTER PROVIDED WITH SUCH PANELS

#10
20230034543
2023-02-02

Screen-type screw centrifuge

#11
20230012503
2023-01-19

Modular dust collection system

#12
20220370935
2022-11-24

Rotary pressure filter

#13
20220355225
2022-11-10

Externally Fed Screen for Filtration

#14
20220339564
2022-10-27

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

#15
20220333595
2022-10-20

Liquid intake filters

#16
20220331722
2022-10-20

SCREENING APPARATUS FOR REMOVING SOLID MATERIAL FROM FLOWING LIQUID AND ASSOCIATED SCREENING PANEL

#17
20220305413
2022-09-29

Filter panel for drum filters

#18
20220118677
2022-04-21

Apparatus and method for shrinking synthetic filter fabric

#19
20220088639
2022-03-24

Method and apparatuses for screening

#20
20220088638
2022-03-24

Method and apparatuses for screening

#21
20220049486
2022-02-17

Stormwater treatment device

#22
20210268410
2021-09-02

ROTARY DRUM FILTER DECK ASSEMBLY COMPRISING A CLIP

#23
20210252436
2021-08-19

Rotary drum vacuum filter with a throttling valve

#24
20210156672
2021-05-27

Device and method for measuring a filter cake thickness

#25
20210138368
2021-05-13

Filtering panel and method of making the same

#26
20210113946
2021-04-22

ROTATING FILTERS AND RELATED SYSTEMS

#27
20210052997
2021-02-25

Device and method for detecting wear of a separating element

#28
20200325894
2020-10-15

Liquid intake filters

#29
20200206661
2020-07-02

Cleaning Systems and Methods for Rotary Screen Separators

#30
20200164291
2020-05-28

Device for reducing pressure fluctuation of pressure filter frame and pressure filter

#31
20200164290
2020-05-28

ROTARY VACUUM FILTER, METHOD, AND USE

#32
20200122159
2020-04-23

SYSTEMS AND METHODS FOR EXTRACTING PARTICULATE FROM RAW SLURRY MATERIAL

#33
20200094174
2020-03-26

FEED SYSTEMS AND METHODS FOR ROTARY SCREEN SEPARATORS

#34
20190388809
2019-12-26

DRUM WASHER WITH GRAVITY ASSIST DRAINAGE

#35
20190366245
2019-12-05

Filter drum for a vacuum and/or pressure filtration device

#36
20190366244
2019-12-05

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

#37
20190329293
2019-10-31

Method and apparatuses for screening

#38
20190299131
2019-10-03

Tumbler systems and methods

#39
20190291030
2019-09-26

Rotary drum screen method for thin stillage filtration

#40
20190224595
2019-07-25

Feed systems and methods for rotary screen separators

#41
20190176064
2019-06-13

Liner for a filter sub-assembly

#42
20190176063
2019-06-13

Liner for a filter sub-assembly

#43
20190076881
2019-03-14

Method and apparatus for screening

#44
20190060800
2019-02-28

Cylindrical filtration filter

#45
20180345319
2018-12-06

Method and apparatuses for screening

#46
20180345189
2018-12-06

Rotary vessel with a spigot having a non-circular outer circumferential cross-section forming an axial movement limiting engagement with a housing closure member

#47
20180345183
2018-12-06

Rotary vessel with a spigot having axially projecting fingers

#48
20180280858
2018-10-04

Drum media holding band for filtration system

#49
20180280833
2018-10-04

Oleophilic separation apparatus

#50
20180207558
2018-07-26

Rotary pressure filter apparatus with reduced pressure fluctuations

#51
20180178147
2018-06-28

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

#52
20180147509
2018-05-31

Filtering panel and method of making the same

#53
20180056214
2018-03-01

Separator and method for separating a heterogeneous supply

#54
20180028948
2018-02-01

Tumbler systems and methods

#55
20170014740
2017-01-19

Rotary drum filtering apparatus

#56
20160325207
2016-11-10

Centrifugal screen assembly

#57
20160303496
2016-10-20

WATER TREATMENT DEVICE AND WATER TREATMENT METHOD

#58
20160263501
2016-09-15

Method of constructing a rotary drum filtering apparatus

#59
20160256803
2016-09-08

Tumbler systems and methods

#60
20160213220
2016-07-28

Soil chopping system for a dishwasher

#61
20160144304
2016-05-26

Device for concentrating a fluid mixture comprising both liquid and solid parts

#62
20160129379
2016-05-12

Filter cloth retention

#63
20160121339
2016-05-05

Systems and methods for extracting particulate from raw slurry material

#64
20160051914
2016-02-25

Pinned fly ring for rotary drum washer and method of manufacture

#65
20150367261
2015-12-24

FILTERING DEVICE FOR OIL DRILLING MUD

#66
20150367260
2015-12-24

Double-action pusher centrifuge and pusher base device

#67
20150343344
2015-12-03

Cleaning systems and methods for rotary screen separators

#68
20150343343
2015-12-03

Feed systems and methods for rotary screen separators

#69
20150336036
2015-11-26

FILTER CLOTH RETENTION

#70
20150290564
2015-10-15

Rotary disc filter device

#71
20150246301
2015-09-03

FILTERING APPARATUS, FILTER USED THEREIN , AND FILTER ELEMENT THEREOF

#72
20150175439
2015-06-25

Method for lowering the pressure inside the hood interior of a separator arrangement

#73
20150114901
2015-04-30

Rotary drum with screen for processing food

#74
20150068959
2015-03-12

CENTRIFUGAL FILTRATION DEVICE AND CELL SEPARATION SYSTEM WITH THE SAME

#75
20150008193
2015-01-08

Systems and Methods for Extracting Particulate from Raw Slurry Material

#76
20140116965
2014-05-01

SEPARATOR AND METHOD FOR SEPARATING A HETEROGENEOUS SUPPLY

#77
20140110329
2014-04-24

Rotatable basket extractor

#78
20140076796
2014-03-20

Variable geometry centrifugal basket

#79
20130220386
2013-08-29

Soil chopping system for a dishwasher

#80
20130043179
2013-02-21

Filtration tank with serially connected horizontal screens

#81
20120298573
2012-11-29

Disc filter

#82
20120255896
2012-10-11

Liquid separating drum, separator provided with such a drum, and kit for assembling the same

#83
20120181237
2012-07-19

Screen basket optimized for removal of stickies from adhesives-contaminated recyclable fiber

#84
20120160761
2012-06-28

Filter device

#85
20120160748
2012-06-28

Filter device

#86
20120043285
2012-02-23

MANURE SEPARATOR

#87
20110233130
2011-09-29

METHOD AND ARRANGEMENT FOR FIXING AN ENDLESS WIRE

#88
20110017656
2011-01-27

ROTARY FILTRATION DEVICE

#89
20110005981
2011-01-13

Screen basket with replaceable profiled bars

#90
20100243584
2010-09-30

Automatic slurry strainer

#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
20090020461
2009-01-22

Screen Basket with Replaceable Profiled Bars

#94
20080257506
2008-10-23

High capacity and high efficiency filter deck assembly system and method of use and replacement

#95
20080035584
2008-02-14

High flow disc filter

#96
20070251873
2007-11-01

Filter cloth retention

#97
20070220942
2007-09-27

METHOD FOR PRODUCING A ROTATIONALLY SYMMETRICAL, IN PARTICULAR CYLINDRICAL SCREENING DEVICE

#98
20070199362
2007-08-30

METHOD FOR PRODUCING A ROTATIONALLY SYMMETRICAL, IN PARTICULAR CYLINDRICAL SCREENING DEVICE

#99
20070170108
2007-07-26

Rotary drum vacuum filter

#100
20070012613
2007-01-18

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

#101
20060231478
2006-10-19

Filter device and method for the periodic cleaning of a filter

#102
20060124523
2006-06-15

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

#103
20060070926
2006-04-06

Screen design for screen cylinder of headbox

#104
20060021921
2006-02-02

Apparatus for removing fine material from a liquid

#105
20060011562
2006-01-19

Dual filter system for filtering of injector fluids

#106
20050260364
2005-11-24

Two-layer drum cover made of a metal alloy in the warp directions and a plurality of metal alloys in the shute directions on both front and back surfaces

#107
20050236339
2005-10-27

High capacity and high efficiency filter deck assembly

#108
20050077254
2005-04-14

Dual filter system for filtering of injector fluids

#109
20050040099
2005-02-24

Screen cylinder

#110
20050012276
2005-01-20

Seal at press rollers

#111
16262557
2019-05-21

In-channel screening with a drum screen

#112
16025906
2020-04-07

Rotary seal facilitating fluid flows through a rotating toroidal mass within a pressurized housing vessel

#113
15936191
2019-01-29

Rotary drum screen for thin stillage filtration

#114
15411121
2019-02-19

Mobile wet waste separator