ClassID:

29507

B01D46/04 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Particle separators, e.g. dust precipitators, having hollow filters made of flexible material Cleaning filters

Recent Application in this class:
#1
20260155037
2026-06-04

Vapor Displacement Refueling Including Onboard Internally Recirculating Chemical Looping Combustion System

#2
20260084083
2026-03-26

FILTERS AND FILTER ASSEMBLIES WITH CANTED OPENINGS, COLLECTORS AND METHODS OF USE

#3
20250256233
2025-08-14

BAG FILTER AND OPERATION METHOD TO MINIMIZE CLOGGING DUE TO MOISTURE

#4
20250153085
2025-05-15

FILTRATION SYSTEMS WITH PROACTIVE PULSE CLEANING

#5
20250084931
2025-03-13

MONITORING SYSTEM AND METHOD FOR ENERGIZED SOLENOID VALVES MOUNTED IN CLOSE PROXIMITY TO ONE ANOTHER

#6
20250061800
2025-02-20

Vapor Displacement Refueling Including Data Communications

#7
20240367276
2024-11-07

DUST COLLECTOR WITH FILTER CLEANING MECHANISM

#8
20240351868
2024-10-24

PLASMA INDUCED HYDROGEN PRODUCTION

#9
20240316486
2024-09-26

DEVICE AND METHOD FOR ENHANCED FILTRATION FOR BAKERY DUST AND DRIED GLAZE COATING

#10
20240307810
2024-09-19

PULSE DELIVERY CLEANING SYSTEMS AND METHODS

#11
20240299873
2024-09-12

ASH COLLECTING SYSTEM

#12
20240269601
2024-08-15

HOT GAS FILTRATION WITH ENHANCED COMPARTMENTAL FLOW DISTRIBUTION VIA DUAL FILTER CONFIGURATIONS

#13
20240183613
2024-06-06

POWDER DRYING SYSTEM WITH IMPROVED INLET ARRANGEMENT TO THE FILTER UNIT AND METHOD OF OPERATING THE FILTER UNIT OF SUCH A SYSTEM

#14
20240115983
2024-04-11

AIR FILTER SYSTEMS, FILTER BAG ASSEMBLIES, FILTER BAGS AND METHODS

#15
20240058733
2024-02-22

DRYING OF FILTER ELEMENTS IN A FILTER SYSTEM

#16
20240001274
2024-01-04

MODULAR RAPPING DUST REMOVER

#17
20230405508
2023-12-21

AIR FILTER CLEANING DEVICE

#18
20230274632
2023-08-31

Vapor displacement refueling including onboard internally recirculating chemical looping combustion system

#19
20230264263
2023-08-24

FILTER DEVICE FOR AN ADDITIVE MANUFACTURING DEVICE

#20
20230249114
2023-08-10

APPARATUS COMPRISING A FILTERING DEVICE AND RELATIVE CLEANING SYSTEM

#21
20230226478
2023-07-20

CLEANING METHOD, CONTROL APPARATUS AND CONNECTING DEVICE

#22
20230191303
2023-06-22

FILTER SYSTEMS WITH FILTER BAG ASSEMBLIES INCLUDING FILTER BAGS WITH RADIAL SEAL GASKETS

#23
20230090877
2023-03-23

MODULAR HIGH-EFFICIENCY PARTICULATE AIR FILTRATION SYSTEM FOR MAINTAINING NEGATIVE PRESSURE IN AN ISOLATED INDOOR SPACE

#24
20230003403
2023-01-05

AIR CLEANING MODULE

#25
20220370942
2022-11-24

Filter cleaner and air-processing apparatus including filter cleaner

#26
20220330774
2022-10-20

Filter cleaning

#27
20220323895
2022-10-13

Air cleaner assemblies and methods of use

#28
20220314158
2022-10-06

DUST FILTER FOR INTEGRATION WITH A CONVEYOR SKIRTING SYSTEM

#29
20220314157
2022-10-06

Passive dust filter for an inspection hatch

#30
20220258092
2022-08-18

SYSTEMS AND METHODS FOR PNEUMATIC CLEANING OF AN EXTRACTION SYSTEM FILTER

#31
20220176316
2022-06-09

Vapor displacement refueling including onboard internally recirculating chemical looping combustion system

#32
20220176300
2022-06-09

Pulse delivery cleaning systems and methods

#33
20220111476
2022-04-14

DUST COLLECTOR WITH FILTER CLEANING MECHANISM

#34
20220111321
2022-04-14

AIR FILTER CLEANING DEVICE AND PARTS AND METHODS OF USE THEREOF

#35
20220054965
2022-02-24

Filtration systems with proactive pulse cleaning

#36
20210404934
2021-12-30

Dust monitoring method, system and signal processing device

#37
20210339182
2021-11-04

MODULARIZED DUST COLLECTOR SYSTEM AND CONTROL METHOD THEREOF

#38
20210322999
2021-10-21

Self-cleaning magnetic filter

#39
20210231084
2021-07-29

Air filtration system for combustion engine and combustion engine including same

#40
20210164174
2021-06-03

Earth working machine having a filtered dust extraction system with an elastically deformable filter housing

#41
20210138382
2021-05-13

Filtration system housing with wave-shaped walls

#42
20210131733
2021-05-06

POWDER DRYING SYSTEM WITH IMPROVED INLET ARRANGEMENT TO THE FILTER UNIT AND METHOD OF OPERATING THE FILTER UNIT OF SUCH A SYSTEM

#43
20210077937
2021-03-18

Pulse valve

#44
20210077934
2021-03-18

Air filter systems, filter bag assemblies, filter bags and methods

#45
20210010695
2021-01-14

Air cleaning module

#46
20200384400
2020-12-10

TOP INLET VACUUM PULSE CLEANING DUST COLLECTOR

#47
20200298163
2020-09-24

FILTER DIAGNOSTIC SYSTEM AND METHOD

#48
20200275813
2020-09-03

Paint booth filter

#49
20200179861
2020-06-11

Cleaning system for bag filters

#50
20200155994
2020-05-21

Self-cleaning air filter and control system thereof

#51
20200121146
2020-04-23

Filter cleaning

#52
20200032684
2020-01-30

Method of compacting ash deposited in a particulate filter by providing a low-temperature melting salt to said filter

#53
20200009490
2020-01-09

Dust collector and dust removal method for same

#54
20190388856
2019-12-26

VACUUM DUST EXTRACTOR

#55
20190381435
2019-12-19

Air filter cleaning device and parts and methods of use thereof

#56
20190358573
2019-11-28

Dust removing device for long bag filter having large diameter

#57
20190351364
2019-11-21

Fuel vapor buffering apparatus

#58
20190313871
2019-10-17

FILTER CLEANING MECHANISM

#59
20190299140
2019-10-03

Plenum separator

#60
20190224626
2019-07-25

Fixed rigid wall device for compressed pleat configuration filters

#61
20190224601
2019-07-25

Dust-handling device for collecting and handling dust in a paper-making environment

#62
20190208973
2019-07-11

Dust container for a vacuum cleaner

#63
20190193225
2019-06-27

Dust collector with filter cleaning mechanism

#64
20190134549
2019-05-09

Filter Element, in Particular for Gas Filtration

#65
20190091619
2019-03-28

High efficiency air filter device and operating method thereof

#66
20190063764
2019-02-28

Air cleaning module

#67
20180345199
2018-12-06

Filter cylinder having dust cleaning device of dust collector

#68
20180304185
2018-10-25

PROCESS AND FILTER DEVICE FOR CLEANING FURNACE GAS

#69
20180296959
2018-10-18

Method and system for filter bag unit assembly and filter bag unit

#70
20180236386
2018-08-23

CLEANING METHOD, CONTROL APPARATUS AND CONNECTING DEVICE

#71
20180169558
2018-06-21

Dust collector capable of recollecting particulate dust in the filter barrel

#72
20180161832
2018-06-14

REMOVAL OF PARTICULATE MATTER FROM FILTER MEDIA

#73
20180136671
2018-05-17

Pulse valve with pressure vessel penetration

#74
20180065071
2018-03-08

Bag filter filtration and dust collecting apparatus for preventing dust accumulation

#75
20170361260
2017-12-21

Air cleaner assemblies and methods of use

#76
20170251894
2017-09-07

Dust remover for vacuum cleaner

#77
20170225112
2017-08-10

Filter chambers and self-cleaning apparatus for vacuum systems

#78
20170216752
2017-08-03

Bag filters having controlled air permeability and dust collectors using the same

#79
20170197166
2017-07-13

DUST COLLECTOR BAG FILTER CLEANING SYSTEM HAVING TWO CONTROL VALVES SEPARATED FROM EACH OTHER AND TWO COMPRESSED AIR PIPES SEPARATED FROM EACH OTHER

#80
20170191657
2017-07-06

METHOD OF CLEANING A CARBON DIOXIDE RICH FLUE GAS AND A BOILER SYSTEM

#81
20170128875
2017-05-11

Downdraft table with spark arrestor

#82
20160367929
2016-12-22

FABRIC FILTER AND METHOD FOR CLEANING A FABRIC FILTER

#83
20160263610
2016-09-15

Coating mist collection apparatus

#84
20160220936
2016-08-04

Dust remover with thickness-controllable, sorted and continuous accumulation shelf layer, and operation method thereof

#85
20150238890
2015-08-27

Fabric filter system and method for cleaning the same

#86
20150202558
2015-07-23

System and method for automatic control of differential pressure in a baghouse system

#87
20150151235
2015-06-04

Filter chambers and self-cleaning apparatus for vacuum systems

#88
20150059571
2015-03-05

Removing carbon nanotubes from a continuous reactor effluent

#89
20150053082
2015-02-26

Removal of residual particulate matter from filter media

#90
20150052860
2015-02-26

Filter element support assembly, quick installation system, and methods

#91
20150034126
2015-02-05

Gas flow regulating for cleaning a particular filter

#92
20140332039
2014-11-13

Quiet pulse valve

#93
20140332038
2014-11-13

Cleaning valve with dampening mechanism

#94
20140299682
2014-10-09

Nozzle arrangements and method for cleaning filter elements

#95
20140238240
2014-08-28

DOWNFLOW DUST COLLECTORS HAVING DIRTY AIR CHANNELS

#96
20140230931
2014-08-21

Ambient air backflushed filter vacuum

#97
20140174476
2014-06-26

Filter bag cleaning system

#98
20140041562
2014-02-13

Method of cleaning a carbon dioxide rich flue gas and a boiler system

#99
20140020345
2014-01-23

Bag filter for cleaning dust-laden gases and injector nozzle for such a bag filter

#100
20140007908
2014-01-09

Vapor relief screen basket cleaning brush and method

#101
20130327213
2013-12-12

Filter bag cleaning system

#102
20130255485
2013-10-03

System and method of cleaning particulate collection devices used in a flue gas processing system

#103
20130125754
2013-05-23

SYSTEMS AND METHODS FOR IMPROVED BAGHOUSE FILTERS

#104
20130092028
2013-04-18

DEVICE AND METHOD FOR CLEANING BAGHOUSE FILTERS

#105
20130087495
2013-04-11

Self-cleaning filter module

#106
20120291799
2012-11-22

Removal of residual particulate matter from filter media

#107
20120219461
2012-08-30

BAG-FILTER TYPE DEODORIZING APPARATUS

#108
20120104748
2012-05-03

Venturi adapter

#109
20120090640
2012-04-19

Method for cleaning two filters of a suction device for cleaning purposes and suction device for performing the method

#110
20120067381
2012-03-22

Nozzle arrangements and method for cleaning filter elements

#111
20120056119
2012-03-08

Ambient air backflushed filter vacuum

#112
20110315015
2011-12-29

System and method for removal of particulate matter from a filter media

#113
20110138756
2011-06-16

Gas Filter System

#114
20110099959
2011-05-05

Intake filter for an internal combustion engine of a motor vehicle

#115
20100326024
2010-12-30

Filter element support assembly, quick installation system, and methods

#116
20100275776
2010-11-04

Cleaning pressure reduction through blowpipes

#117
20100180556
2010-07-22

Distributor for rinse air

#118
20100132318
2010-06-03

RETAINER CONE AND BAG FILTER RETAINER PROVIDED WITH THE SAME

#119
20100101737
2010-04-29

Filter Assembly Containing Metal Fibre Filter Elements

#120
20100095843
2010-04-22

Air pollution control filter elements for filtration systems

#121
20100083835
2010-04-08

Support structure for a filter bag and a method of using the support structure

#122
20100058722
2010-03-11

Fabric filter system

#123
20100024639
2010-02-04

Methods for operating a filtration system

#124
20090301304
2009-12-10

Hot gas filtration fabrics with silica and flame resistant fibers

#125
20090272082
2009-11-05

Dust collector with equalized cleaning performance

#126
20090266234
2009-10-29

Fabric filter with fluidised dust-bed, and a method of maintaining it

#127
20090223279
2009-09-10

In-line virtual impactor

#128
20090205501
2009-08-20

Bag-filter type small deodorizing and dust collecting apparatus

#129
20090205445
2009-08-20

METHOD FOR SELECTING A FILTER ELEMENT FOR A DUST COLLECTOR

#130
20090178377
2009-07-16

WELDING SMOG DISPOSAL MACHINE PROVIDED WITH A HIGH PRESSURE CLEANING FILTER BARREL

#131
20090158926
2009-06-25

Systems and methods for removal of particulate matter in a filtration system

#132
20090151572
2009-06-18

Cleaning apparatus for a gas filter

#133
20090114095
2009-05-07

FILTER CLEANING SYSTEM AND METHOD

#134
20090113858
2009-05-07

Filtration

#135
20090049808
2009-02-26

GAS FILTRATION APPARATUS

#136
20090020012
2009-01-22

Method for the backflushing of filters

#137
20080307959
2008-12-18

Cleaning process for cleaning filtration material of a gas filter and a device for carrying out the process

#138
20080127828
2008-06-05

Nozzle arrangements and method for cleaning filter elements

#139
20080127825
2008-06-05

System configuration of pulsed cleaned panel-style filter elements and methods

#140
20080115668
2008-05-22

Arrangement For Cleaning Filter Apparatus Of Rock Drilling Rig

#141
20080110141
2008-05-15

Filter system for internal combustion engines operated in a contaminated atmosphere

#142
20080022856
2008-01-31

Filter cleaning system and method

#143
20070131194
2007-06-14

Intake filter for an internal combustion engine of a motor vehicle

#144
20070107391
2007-05-17

Filtration device with a filter bag and a cleaning device for a filter bag

#145
20060260093
2006-11-23

Vacuum cleaner receptacle

#146
20060230936
2006-10-19

Bag cleaning compressed air nozzle

#147
20060191416
2006-08-31

Vacuum cleaner and dust bag for vacuum cleaner

#148
20060174768
2006-08-10

Apparatus and method for the removal of particulate matter in a filtration system

#149
20060086071
2006-04-27

Dust filter washing system

#150
20060086070
2006-04-27

Trigger mechanism for dust filter pulse cleaning system

#151
20060016162
2006-01-26

Dust collector for vacuum device

#152
20060005516
2006-01-12

Method and apparatus for filtering air passages in an alternator

#153
20050210842
2005-09-29

Reverse pulse cleaning of filter elements

#154
20050155333
2005-07-21

Cleaning device for a bundle of tubular filter elements designed with one end open, preferably of an industrial dust filter

#155
20050138909
2005-06-30

Filter with locating feature

#156
20050060969
2005-03-24

Vacuum conveyor device with a multi-stage filter system

#157
20050011036
2005-01-20

Ambient air backflushed filter vacuum

#158
15806859
2019-04-23

Buckle mechanism of dust collecting barrel of bag-type dust collector

#159
15374357
2019-05-28

Dust collector air inlet control system