ClassID:

35887

B04C2009/004 - CPC Classification

Classification description:

Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder

Recent Application in this class:
#1
20260060494
2026-03-05

CONE STACK CYCLONE SEPARATOR AND VACUUM CLEANER HAVING SAME

#2
20260055937
2026-02-26

HIGH-PRESSURE FLUID CHROMATOGRAPHY SYSTEM USING INTERIOR-TO-EXTERIOR COLUMN PRESSURE EQUALIZATION

#3
20250161959
2025-05-22

SURFACE CLEANING APPARATUS

#4
20250121382
2025-04-17

VORTICAL CROSS-FLOW FILTRATION SYSTEM

#5
20250116577
2025-04-10

RECIRCULATION SYSTEM FOR AEROSOL COLLECTORS USING LIQUID COLLECTION BUFFER

#6
20250114802
2025-04-10

VORTICAL CROSS-FLOW FILTRATION SYSTEM

#7
20240374097
2024-11-14

HOUSEHOLD APPLIANCE HAVING AN IMPROVED CYCLONE AND A CYCLONE FOR SAME

#8
20240299956
2024-09-12

Surface cleaning apparatus

#9
20240253066
2024-08-01

Cyclone Separator and Dishwasher

#10
20240247843
2024-07-25

COOLING LOOP WITH A SUPERCRITICAL FLUID SYSTEM USING COMPRESSED REFRIGERANT FLUID FLOW WITH A POSITIVE JOULE THOMSON COEFFICIENT

#11
20240246095
2024-07-25

CENTRIFUGAL SEPARATOR INCLUDING AN INTEGRATED PARTICULATE FILTER

#12
20240197127
2024-06-20

CLEANER

#13
20240197126
2024-06-20

CLEANER

#14
20240091794
2024-03-21

Modular cyclone

#15
20240065502
2024-02-29

SURFACE CLEANING APPARATUS

#16
20230364622
2023-11-16

Surface cleaning apparatus

#17
20230302468
2023-09-28

A COMPACT DISC STACK CYCLONE SEPARATOR

#18
20230241629
2023-08-03

Surface cleaning apparatus

#19
20230111882
2023-04-13

Cyclone separator particularly for a powder recovery device of a powder coating system

#20
20230090215
2023-03-23

Gas cooling-scrubbing apparatus and method

#21
20230065432
2023-03-02

Induction powered vortex fluid separator

#22
20230040795
2023-02-09

Household appliance having an improved cyclone and a cyclone for same

#23
20230037757
2023-02-09

Household appliance having an improved cyclone and a cyclone for same

#24
20220341425
2022-10-27

Oil sump tube

#25
20220287537
2022-09-15

Base station and cleaning equipment

#26
20220250094
2022-08-11

FILTER DEVICE FOR REMOVING PARTICLES FROM A FLUID

#27
20220234054
2022-07-28

Surface cleaning apparatus

#28
20220176288
2022-06-09

FILTER TUBE HOLDING GROMMET FOR FILTRATION SYSTEM

#29
20220152545
2022-05-19

Rankine vortex particle separator systems and methods

#30
20220126305
2022-04-28

Multiple Inlets Cyclo-Hydrocyclone Separator

#31
20220125259
2022-04-28

UNOPENABLE CANISTER FOR VACUUM CLEANER

#32
20220062920
2022-03-03

Multistage cyclone and surface cleaning apparatus having same

#33
20220053985
2022-02-24

Cleaner

#34
20220034555
2022-02-03

Cooling loop with a supercritical fluid system using compressed refrigerant fluid flow with a positive Joule Thomson coefficient

#35
20220009811
2022-01-13

Oily sewage pretreatment method and device without air floatation

#36
20210348805
2021-11-11

Supercritical fluid chromatography system

#37
20210307578
2021-10-07

Cleaner

#38
20210251449
2021-08-19

Filter and vacuum canister cleaner

#39
20210186287
2021-06-24

Vacuum cleaner

#40
20210178405
2021-06-17

Modular cyclone

#41
20210154686
2021-05-27

Hydrocyclone systems and methods for separating multi-phase compositions

#42
20210138378
2021-05-13

Inline vortex demister

#43
20210129160
2021-05-06

Two-phase separator devices incorporating inertial separation and porous media extraction

#44
20210106939
2021-04-15

CLEANER UNIT

#45
20200353484
2020-11-12

Suction apparatus

#46
20200324302
2020-10-15

Surface cleaning apparatus

#47
20200262560
2020-08-20

Bypass flow regulator

#48
20200230623
2020-07-23

Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same

#49
20200230622
2020-07-23

Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same

#50
20200230621
2020-07-23

Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same

#51
20200230617
2020-07-23

Cyclonic air treatment member and surface cleaning apparatus including the same

#52
20200229666
2020-07-23

Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same

#53
20200229665
2020-07-23

Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same

#54
20200229663
2020-07-23

Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same

#55
20200122162
2020-04-23

Cyclone with guide vanes

#56
20200122161
2020-04-23

Multistage cyclone and surface cleaning apparatus having same

#57
20200056815
2020-02-20

Cooling loop with a supercritical fluid system using compressed refrigerant fluid flow with a positive Joule-Thomson coefficient

#58
20200054980
2020-02-20

Filter system

#59
20200047192
2020-02-13

Cyclonic air treatment member and surface cleaning apparatus including the same

#60
20200046189
2020-02-13

Suction cleaner

#61
20190388907
2019-12-26

Modular cyclone

#62
20190358653
2019-11-28

Cyclone Filtering Device

#63
20190336883
2019-11-07

Cyclone type liquid-vapor separator and forced circulation type evaporator using the same

#64
20190321832
2019-10-24

Airborne dust cleaner with vortex vacuum generator

#65
20190293522
2019-09-26

Dual spray chamber

#66
20190274501
2019-09-12

Cover for a fluff screen in a surface treatment apparatus

#67
20190183301
2019-06-20

Cleaner

#68
20190167056
2019-06-06

Surface cleaning apparatus

#69
20190134649
2019-05-09

Low-Profile, High-Pressure Dust Separator and Collector

#70
20190104905
2019-04-11

Dust cup assembly and handheld cleaner having same

#71
20190104904
2019-04-11

Dust cup assembly and handheld cleaner having same

#72
20190030547
2019-01-31

Separator for separating solid matter from a fluid

#73
20190009281
2019-01-10

Separation device for separating particles from a fluid flow

#74
20180368639
2018-12-27

DIRT SEPARATOR AND VACUUM CLEANER

#75
20180368637
2018-12-27

DIRT SEPARATOR AND VACUUM CLEANER

#76
20180368636
2018-12-27

DIRT SEPARATOR AND VACUUM CLEANER

#77
20180353032
2018-12-13

Multistage cyclone and surface cleaning apparatus having same

#78
20180333034
2018-11-22

DUST CUP ASSEMBLY AND HANDHELD CLEANER HAVING THE SAME

#79
20180326336
2018-11-15

Dust collector with a constant suction force

#80
20180213985
2018-08-02

Dust cup, dust cup assembly and handheld cleaner

#81
20180199775
2018-07-19

Cyclonic separator

#82
20180160871
2018-06-14

Cyclone dust collector and vacuum cleaner having the same

#83
20180112896
2018-04-26

SUPERCRITICAL FLUID CHROMATOGRAPHY SYSTEM

#84
20180055317
2018-03-01

Dust collector and vacuum cleaner having the same

#85
20180036746
2018-02-08

Filter and Cyclone Filter System

#86
20180000304
2018-01-04

Dust cup assembly and handheld cleaner having the same

#87
20180000297
2018-01-04

Dust cup assembly and handheld cleaner having the same

#88
20180000296
2018-01-04

Handheld cleaner

#89
20180000295
2018-01-04

DUST CUP ASSEMBLY AND HANDHELD CLEANER HAVING THE SAME

#90
20170368481
2017-12-28

Cylindrical filter screen with tensioning mechanism

#91
20170361338
2017-12-21

Two-stage dust-air separation structure and dust cup comprising same

#92
20170296019
2017-10-19

Surface cleaning apparatus

#93
20170296017
2017-10-19

Dust collector and vacuum cleaner having the same

#94
20170296016
2017-10-19

Dust collector and vacuum cleaner having the same

#95
20170246558
2017-08-31

Supercritical fluid chromatography system

#96
20170209012
2017-07-27

Vacuum cleaner

#97
20170188769
2017-07-06

Cyclone dust collector and vacuum cleaner having the same

#98
20170136170
2017-05-18

Method and apparatus for removal of gas bubbles from fluid

#99
20170112341
2017-04-27

Cyclone dust collector and vacuum cleaner having the same

#100
20170095753
2017-04-06

Cyclone type liquid-vapor separator and forced circulation type evaporator using the same

#101
20170055792
2017-03-02

CYCLONE SEPARATING DEVICE, DUST COLLECTING ASSEMBLY AND CLEANER

#102
20170021368
2017-01-26

Filtration system utilizing actuated flow control valve

#103
20160380248
2016-12-29

Energy storage container with vortex separator

#104
20160345790
2016-12-01

DUST COLLECTOR FOR CLEANER AND CLEANER HAVING THE SAME

#105
20160339453
2016-11-24

Cyclonic separator

#106
20160270613
2016-09-22

CYCLONE SEPARATOR APPARATUS

#107
20160263589
2016-09-15

Hydroclone with improved cleaning assembly

#108
20160040639
2016-02-11

CYCLONIC FUEL FILTER AND SYSTEM

#109
20160009504
2016-01-14

Adhesive dispensing device having optimized cyclonic separator unit

#110
20150273484
2015-10-01

Modular cyclonic separator for separating solid impurities from an airflow

#111
20150224517
2015-08-13

Hydroclone

#112
20150108057
2015-04-23

Hydroclone with inlet flow shield

#113
20150096144
2015-04-09

Surface cleaning apparatus

#114
20150083651
2015-03-26

Cross-flow filtration system including particulate settling zone

#115
20150033944
2015-02-05

METHOD AND ARRANGEMENT FOR WASTE-GAS PURIFICATION IN VACUUM STEEL TREATMENT PROCESSES

#116
20140298991
2014-10-09

Vortex separator and separation method

#117
20140237965
2014-08-28

Cyclone such as for use in a surface cleaning apparatus

#118
20140237955
2014-08-28

Cyclone such as for use in a surface cleaning apparatus

#119
20140079493
2014-03-20

Adhesive dispensing device having optimized cyclonic separator unit

#120
20140053368
2014-02-27

Cyclonic separator

#121
20140047668
2014-02-20

Cyclonic separator

#122
20140047667
2014-02-20

Cyclonic separator

#123
20130227813
2013-09-05

Surface cleaning apparatus

#124
20130199137
2013-08-08

Dust collector with a constant suction force

#125
20120318583
2012-12-20

CUTTING WASH APPARATUS AND METHOD

#126
20120233971
2012-09-20

Dust collecting apparatus having a dust removing unit

#127
20120145609
2012-06-14

Apparatus and method for implementing hydroclone based fluid filtration systems with extensible isolated filter stages

#128
20120124948
2012-05-24

Dust collection device for concrete cutter

#129
20120042909
2012-02-23

Dry vacuum cleaning appliance

#130
20120010063
2012-01-12

Cleaning assembly for use in fluid filtration systems

#131
20110296648
2011-12-08

Centrifugal dirt separation configurations for household-type and shop-type vacuum cleaners

#132
20110159596
2011-06-30

Substance detector with cyclone

#133
20110120959
2011-05-26

Hydroclone based fluid filtration system

#134
20110120310
2011-05-26

Cyclonic air cleaner assembly

#135
20110089102
2011-04-21

SELF-CLEANING FILTER FOR WASHERS

#136
20110061350
2011-03-17

DUST COLLECTION UNIT FOR VACUUM CLEANER

#137
20110054380
2011-03-03

Method and apparatus for removal of gas bubbles from blood

#138
20110016661
2011-01-27

Separating apparatus

#139
20110011041
2011-01-20

Vacuum Cyclone Dust Collector

#140
20100257825
2010-10-14

Cyclonic chamber for air filtration devices

#141
20100218466
2010-09-02

Vehicle filter assembly

#142
20100089014
2010-04-15

CYCLONIC SEPARATION DEVICE FOR VACUUM CLEANER

#143
20100084352
2010-04-08

Multiple vortex waste separator apparatus

#144
20100083833
2010-04-08

Cyclonic vacuum cleaner ribbed cyclone shroud

#145
20100083832
2010-04-08

Vortex waste separator apparatus

#146
20100044287
2010-02-25

HYDRO CYCLONE DEVICE AND HYDRO CYCLONE INSTALLATION

#147
20100005617
2010-01-14

VACUUM CLEANER

#148
20090320421
2009-12-31

Cyclone separating device of a cleaner

#149
20090300871
2009-12-10

Cyclone dust-collecting apparatus and vacuum cleaner having the same

#150
20090255406
2009-10-15

Lubricating liquid separator

#151
20090173695
2009-07-09

Method and apparatus for removal of gas bubbles from blood

#152
20090165431
2009-07-02

Dust separating apparatus for vacuum cleaner

#153
20090107087
2009-04-30

Cyclonic air cleaner assembly

#154
20080256910
2008-10-23

Apparatus for the elimination of dusts from gases

#155
20080236399
2008-10-02

Extractor for vacuum cleaning system

#156
20080209669
2008-09-04

Centrifugal dirt separation configurations for household-type and shop-type vacuum cleaners

#157
20080092734
2008-04-24

Vacuum line clean-out separator system

#158
20080047239
2008-02-28

Rotary gas cyclone separator

#159
20080017568
2008-01-24

Self-cleaning filter for washers

#160
20070271725
2007-11-29

Cyclone dust-separating apparatus of vacuum cleaner

#161
20070266683
2007-11-22

Cyclone separator with fine particle separation member

#162
20070199284
2007-08-30

Cyclone dust collecting apparatus for vacuum cleaner

#163
20070157814
2007-07-12

Cyclone dust-separating apparatus with discharge electrodes

#164
20070144117
2007-06-28

Cyclone air purifier

#165
20070144115
2007-06-28

Pervasive dedusting device for a vacuum cleaner

#166
20070084159
2007-04-19

Handle type cyclone dust-collecting apparatus

#167
20070045168
2007-03-01

Hydroclone based fluid filtration system

#168
20070039900
2007-02-22

Hydroclone based fluid filtration system

#169
20070039127
2007-02-22

Dust container of upright type vacuum cleaner and supporting structure for cover thereof

#170
20060236855
2006-10-26

Apparatus and method for separating dust constituents out of an explosive dust-air mixture

#171
20060236663
2006-10-26

Filter assembly and cyclone dust collecting apparatus having the same

#172
20060162568
2006-07-27

Dust collector

#173
20060137310
2006-06-29

Vacuum cleaner having two cyclonic cleaning stages

#174
20060090428
2006-05-04

Dust collection unit for vacuum cleaner

#175
20060042039
2006-03-02

Cyclone separator with fine particle separation member

#176
20050224426
2005-10-13

Dynamic particle separator

#177
20050217066
2005-10-06

Upright vacuum cleaner with cyclonic air flow

#178
20050192525
2005-09-01

Method and apparatus for removal of gas bubbles from blood

#179
20050183232
2005-08-25

Upright vacuum cleaner with cyclonic airflow

#180
20050177974
2005-08-18

Vacuum cleaner having two cyclonic cleaning stages

#181
20050150199
2005-07-14

Cyclone separator

#182
20050125940
2005-06-16

CYCLONIC DIRT SEPARATION MODULE

#183
20050125939
2005-06-16

Cyclonic dirt separation module

#184
20050091787
2005-05-05

Upright vacuum cleaner with cyclonic airflow

#185
20050091786
2005-05-05

Upright vacuum cleaner with cyclonic airflow

#186
20050081496
2005-04-21

Particle separation apparatus

#187
20050055796
2005-03-17

Upright vacuum cleaner with cyclonic airflow

#188
20050028318
2005-02-10

Upright vacuum cleaner with cyclonic air flow

#189
20050004238
2005-01-06

Process for the production in continuous of hydrocarbons from synthesis gas in slurry reactors and for the separation of the liquid phase produced from the solid phase

#190
17851441
2025-11-11

Continuous trichome separation

#191
14942681
2019-03-05

Dual spray chamber

#192
13752644
2015-11-17

Dual spray chamber