ClassID:

144079

F04D19/007 - CPC Classification

Classification description:

Axial-flow pumps multistage fans

Recent Application in this class:
#1
20250297613
2025-09-25

MOTOR ASSEMBLY FOR AN APPLIANCE SUCH AS A VACUUM CLEANER AND A VACUUM CLEANER HAVING SAME

#2
20250186812
2025-06-12

WEARABLE DEVICE FOR DELIVERING AIR

#3
20250180040
2025-06-05

BLOWER

#4
20250163919
2025-05-22

AXIAL FAN

#5
20240328434
2024-10-03

Blower

#6
20240301894
2024-09-12

High-speed booster fan module

#7
20240263635
2024-08-08

Rotor and axial ventilator comprising an accessory axial fan

#8
20240229806
2024-07-11

BLOWER AND METHOD OF MANUFACTURING THE SAME

#9
20240183358
2024-06-06

AIR BLOWING DEVICE AND AIR CONDITIONING SYSTEM INCLUDING SAME

#10
20240133387
2024-04-25

BLOWER AND METHOD OF MANUFACTURING THE SAME

#11
20240060495
2024-02-22

FAN AND MOTOR ASSEMBLY FOR AN APPLIANCE SUCH AS A VACUUM CLEANER AND A VACUUM CLEANER HAVING SAME

#12
20230405368
2023-12-21

Wearable device for delivering air

#13
20230100236
2023-03-30

Axial fan

#14
20230085818
2023-03-23

Axial fan

#15
20230078022
2023-03-16

Fan apparatus and air conditioner outdoor unit

#16
20230030793
2023-02-02

Hub driven variable height fan

#17
20220349409
2022-11-03

Fan

#18
20220333611
2022-10-20

COUNTER-ROTATING AXIAL AIR MOVING DEVICE

#19
20220333604
2022-10-20

Counter-rotating axial air moving device structure

#20
20220325717
2022-10-13

Counter-rotating axial air moving device

#21
20220290693
2022-09-15

Fan assembly

#22
20220263435
2022-08-18

Fan and motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same

#23
20220196021
2022-06-23

Serial axial fan

#24
20220154722
2022-05-19

FAN APPARATUS

#25
20220128063
2022-04-28

DUAL BLADE BLOWER

#26
20220034325
2022-02-03

Axial fan

#27
20210381515
2021-12-09

Serial-type diagonal fan assembly

#28
20210332828
2021-10-28

FAN AND AIR CONDITIONER INDOOR UNIT HAVING THE SAME

#29
20210309059
2021-10-07

Land and aerial transportation vehicle and powertrain thereof

#30
20210284333
2021-09-16

Small light vertical take-off and landing capable delta wing aircraft

#31
20210277916
2021-09-09

Fan module

#32
20210215160
2021-07-15

Fan for adjusting air flow

#33
20210079926
2021-03-18

Cooling module with blower system having opposite, blower and impeller outlets for information handling systems

#34
20210003135
2021-01-07

Fan backflow prevention structure

#35
20200378388
2020-12-03

Contra-rotating fan structure

#36
20200284267
2020-09-10

SIROCCO FAN, BLOWING DEVICE, AND AIR CONDITIONER

#37
20200248700
2020-08-06

Lightweight Inflation Device

#38
20200217322
2020-07-09

Series-connected fan

#39
20200215359
2020-07-09

Wearable device for delivering air

#40
20200182252
2020-06-11

Rotation driving device, method for mounting rotation driving device, axial blower, method for mounting axial blower, and laser oscillator

#41
20200149537
2020-05-14

Inline axial flow fan

#42
20200149535
2020-05-14

Inline axial flow fan

#43
20200095999
2020-03-26

Blower apparatus

#44
20200058236
2020-02-20

Fan blade refurbishment training device

#45
20200056618
2020-02-20

Axial fan configurations

#46
20200049011
2020-02-13

System and method for fluid manipulation

#47
20190390677
2019-12-26

Axial fan

#48
20190353171
2019-11-21

Axial fan blower

#49
20190345947
2019-11-14

Pressurized cooling fan and instructions for use

#50
20190301472
2019-10-03

COUNTER-ROTATING FAN

#51
20190293075
2019-09-26

Fan apparatus

#52
20190260267
2019-08-22

Electrical machine cooled by a dual-flow impeller

#53
20190242393
2019-08-08

Pump arrangement, axial-flow machine and compressor comprising at least one rotor having permanent magnets and a stator having a multiplicity of teeth separated from each other wherein the tooth tip has a substantially rectangular-shaped cross section

#54
20190211830
2019-07-11

Garden blower

#55
20190159409
2019-05-30

Blower/mulcher

#56
20190085851
2019-03-21

Serial axial flow fan

#57
20190049161
2019-02-14

Axial flow compressor for HVAC chiller systems

#58
20190040872
2019-02-07

Two-stage blade adjusting device for counter-rotating axial flow fan

#59
20180342940
2018-11-29

Low electric fan-type power generating device with low energy consumption

#60
20180202463
2018-07-19

Axial fan and fan assembly

#61
20180202462
2018-07-19

Axial fan and fan assembly

#62
20180195530
2018-07-12

Vibration damper structure and series fan thereof

#63
20180195525
2018-07-12

Serial axial flow fan

#64
20180156229
2018-06-07

Series fan structure

#65
20180156222
2018-06-07

Series fan inclination structure

#66
20180156221
2018-06-07

Series fan with support frame

#67
20180135650
2018-05-17

Fan frame body with bypass structure and fan thereof

#68
20180100518
2018-04-12

Series fan structure

#69
20180087513
2018-03-29

AXIAL FAN BLOWER

#70
20180080451
2018-03-22

Ventilation apparatus with counter-rotating impellers driven by long shaft

#71
20180073511
2018-03-15

Variable inlet vanes

#72
20180073510
2018-03-15

Variable inlet vanes

#73
20180070473
2018-03-08

Modular fan chassis air filtering system

#74
20170363111
2017-12-21

Portable, low-power air filtration system

#75
20170363097
2017-12-21

Electronic device and control method thereof

#76
20170361133
2017-12-21

Wearable device for delivering air

#77
20170198704
2017-07-13

Multi-stage compressor system, control device, malfunction determination method, and program

#78
20170152867
2017-06-01

Fan assembly

#79
20170122327
2017-05-04

FAN ARRANGEMENT

#80
20170114803
2017-04-27

Cooling device, guard unit, and server

#81
20170089595
2017-03-30

Air purifier and blower device thereof

#82
20170051747
2017-02-23

Axial blower and series-type axial blower

#83
20170022994
2017-01-26

Surge free subsea compressor

#84
20160327060
2016-11-10

Cooling fan structure

#85
20160326954
2016-11-10

Adaptive fan reverse core geared turbofan engine with separate cold turbine

#86
20160298653
2016-10-13

Cooling fan

#87
20160298636
2016-10-13

Fan assembly and air conditioner having the same

#88
20160245306
2016-08-25

Fan device and use of such a fan device

#89
20160219754
2016-07-28

Variable inlet vanes

#90
20160215783
2016-07-28

Variable inlet vanes

#91
20160215779
2016-07-28

Variable inlet vanes

#92
20160195097
2016-07-07

Axial blower vacuum

#93
20160146221
2016-05-26

Fan assembly

#94
20160146218
2016-05-26

Fan module

#95
20160097394
2016-04-07

Fluid flow apparatus, fan assembly and associated method

#96
20160053776
2016-02-25

Electronic module with removable fan assembly

#97
20160040684
2016-02-11

Axial fan having balance correction portions and a cone located axial of one of the balance correction portions

#98
20150369075
2015-12-24

Rotating fluid machine

#99
20150308277
2015-10-29

Blade retaining ring for an internal shroud of an axial-flow turbomachine compressor

#100
20150233392
2015-08-20

Fan serial connection structure

#101
20150233387
2015-08-20

Method of assembling a serial fan

#102
20150226230
2015-08-13

Series fan frame body structure made of different materials

#103
20150226223
2015-08-13

Contra-rotating transmission

#104
20150226222
2015-08-13

Series fan

#105
20150173240
2015-06-18

Electronic apparatus

#106
20150167678
2015-06-18

AXIAL FLOW FAN AND SERIES AXIAL FLOW FAN

#107
20150127188
2015-05-07

Reversible contra-rotating fan system

#108
20150125262
2015-05-07

Series fan assembling structure

#109
20150084569
2015-03-26

Integrated system of circuits for serial fan structure

#110
20150023786
2015-01-22

Serial Fan Device

#111
20140369835
2014-12-18

Electric fan with impediment buffering

#112
20140363272
2014-12-11

Serial axial fan

#113
20140233178
2014-08-21

Fan Impeller with Multiple Blades Shaped and Disposed to Provide High Air-Power Efficiency

#114
20140205437
2014-07-24

Fan vibration absorption structure

#115
20140056688
2014-02-27

Inline axial flow fan

#116
20140030104
2014-01-30

Fan device and vane thereof

#117
20130343871
2013-12-26

Series fan assembly structure

#118
20130309083
2013-11-21

Serial fan frame assembly structure

#119
20130309064
2013-11-21

Fan with integrated vibration absorbing structure

#120
20130216372
2013-08-22

FASTENER STRUCTURE FOR SECURING MULTIPLE FANS

#121
20130195622
2013-08-01

Anti-vibration serial fan structure

#122
20130183146
2013-07-18

Turbo compressor

#123
20130149115
2013-06-13

Recirculation fan and wind-guiding device thereof

#124
20130126698
2013-05-23

Series fan assembling structure

#125
20130051997
2013-02-28

FAN MODULES AND SERVER EQUIPMENT

#126
20130045109
2013-02-21

FAN MODULE

#127
20130028709
2013-01-31

Fan module

#128
20130014842
2013-01-17

SYMMETRICAL SERIES FAN STRUCTURE

#129
20130004293
2013-01-03

Fan assembly

#130
20120257957
2012-10-11

Counter-rotating axial flow fan

#131
20120222843
2012-09-06

Air Conditioner Condenser Booster

#132
20120171057
2012-07-05

Series-connected fan unit

#133
20120164007
2012-06-28

METHOD AND APPARATUS TO ATTENUATE VIBRATIONS FROM AN AIR MOVER ASSEMBLY

#134
20120163970
2012-06-28

MOUNTING APPARATUS FOR FAN

#135
20120128464
2012-05-24

Fan assembly including rigid bars with mounting pads

#136
20120114499
2012-05-10

Fan module

#137
20110236237
2011-09-29

FAN AND FAN ASSEMBLY

#138
20110223042
2011-09-15

Fan assembly

#139
20110174011
2011-07-21

VENTILATING DEVICE AND OUTDOOR UNIT HAVING THE SAME

#140
20110142614
2011-06-16

Counter-rotating axial flow fan

#141
20110142612
2011-06-16

Counter-rotating axial flow fan

#142
20110142611
2011-06-16

Counter-rotating axial flow fan

#143
20110070080
2011-03-24

Fixing apparatus for fan

#144
20110052433
2011-03-03

Fan having two impellers

#145
20110044799
2011-02-24

FAN APPARATUS

#146
20100329860
2010-12-30

Fan assembly

#147
20100329859
2010-12-30

FAN ASSEMBLY

#148
20100260616
2010-10-14

Method of controlling counter-rotating axial-flow fan

#149
20100189544
2010-07-29

COUNTER-ROTATING AXIAL-FLOW FAN

#150
20100119385
2010-05-13

Serial axial fan

#151
20100054931
2010-03-04

Serial axial fan

#152
20100033041
2010-02-11

Counter-rotating axial-flow fan

#153
20100021317
2010-01-28

Serial axial fan

#154
20100008757
2010-01-14

Ducted fan assembly for radio-controlled model

#155
20090290984
2009-11-26

Fan system

#156
20090257872
2009-10-15

Reduced-impedance cooling system with variable pitch blade and hot-swappable spare

#157
20090246016
2009-10-01

Fan frame and heat dissipation fan incorporating the fan frame

#158
20090246015
2009-10-01

Stack of fan case

#159
20090226299
2009-09-10

Axial fan unit

#160
20090214337
2009-08-27

Axial flow fan unit

#161
20090214336
2009-08-27

Axial flow fan unit

#162
20090175745
2009-07-09

Blower Unit for Vehicle

#163
20090155104
2009-06-18

CONTRA-ROTATING AXIAL FLOW FAN UNIT

#164
20090148311
2009-06-11

Axial flow fan unit

#165
20090122485
2009-05-14

Fixing frame

#166
20090111372
2009-04-30

SERIES FAN AND FRAME SET THEREOF

#167
20090107254
2009-04-30

System and method for dynamometer testing of motor vehicles, including a cooling device

#168
20090060732
2009-03-05

Serial fan module and frame structure thereof

#169
20090047118
2009-02-19

Counter-rotating axial-flow fan

#170
20090022587
2009-01-22

Housing assembly for use in fan unit and fan unit including the same

#171
20080286135
2008-11-20

SERIAL AXIAL FAN UNIT

#172
20080286100
2008-11-20

FAN BRACKET AND BRACKT SET

#173
20080279694
2008-11-13

Fan and fan assembly

#174
20080260530
2008-10-23

Counter-rotating axial-flow fax

#175
20080260526
2008-10-23

COUNTER-ROTATING AXIAL-FLOW FAN

#176
20080260517
2008-10-23

Fan apparatus

#177
20080189904
2008-08-14

Portable blower

#178
20080149807
2008-06-26

Fan fixing structure

#179
20080138201
2008-06-12

Flow-guiding device and fan assembly

#180
20080138199
2008-06-12

FAN DEVICE CAPABLE OF INCREASING AIR PRESSURE AND AIR SUPPLY

#181
20080138191
2008-06-12

Fan with impellers coupled in series and fan frame thereof

#182
20080124232
2008-05-29

Serial fan assembly and connection structure thereof

#183
20080101920
2008-05-01

Fan unit

#184
20080095623
2008-04-24

COUNTER-ROTATING FAN

#185
20080095619
2008-04-24

Assembling member and heat-dissipating module having assembling member

#186
20080089785
2008-04-17

Blower unit and portable blower

#187
20080075579
2008-03-27

Fan device

#188
20080038111
2008-02-14

Blower device

#189
20080031723
2008-02-07

Axial fan unit having reduced noise generation

#190
20080031722
2008-02-07

Fan unit including tapered airflow passage

#191
20080025848
2008-01-31

Fixing device for fan

#192
20080008576
2008-01-10

Shock-absorbent structure of serially-connected fans

#193
20070286727
2007-12-13

Heat dissipation fan

#194
20070286720
2007-12-13

Heat dissipation module

#195
20070284955
2007-12-13

Heat dissipating fan

#196
20070274821
2007-11-29

Axial fan unit having coaxially arranged axial fans

#197
20070264123
2007-11-15

COUNTER-ROTATING FAN

#198
20070264122
2007-11-15

Blower

#199
20070248460
2007-10-25

Magnetic-attaching structure for a fan

#200
20070237625
2007-10-11

Vibration absorption device for a fan

#201
20070231157
2007-10-04

Fan cover structure

#202
20070224039
2007-09-27

Serial fan assembly and air-guiding structure thereof

#203
20070173190
2007-07-26

Serial fan with toothed-type connecting elements

#204
20070152536
2007-07-05

Three-phase opposite rotating motor and fan

#205
20070135035
2007-06-14

Extension for a turbine ventilator

#206
20070128023
2007-06-07

Serial fan with a plurality of rotor vanes

#207
20070117465
2007-05-24

Wire fixing device for fan

#208
20070098544
2007-05-03

Device for enhancing performance of a fan assembly

#209
20070081888
2007-04-12

Series fans with flow modification element

#210
20070059155
2007-03-15

Counter-rotating axial-flow fan

#211
20070020128
2007-01-25

Dual fan and dual motor structure thereof

#212
20070003413
2007-01-04

Composite fan and frame thereof

#213
20060202647
2006-09-14

Serial fan set and rotation speed-matching curve generation method thereof

#214
20060083608
2006-04-20

Series type fan device

#215
20060083606
2006-04-20

Casing, equipment unit and fan units provided with the casing, and electronic equipment provided with the fan units

#216
20060059887
2006-03-23

Aircraft engine with separate auxiliary rotor and fan rotor

#217
20060039110
2006-02-23

Coaxial air ducts and fans for cooling and electronic component

#218
20050163615
2005-07-28

Redundant fan system in a turbo cooler assembly

#219
20050129513
2005-06-16

Heat dissipation apparatus

#220
20050106026
2005-05-19

Counterrotating axial blower

#221
20050095126
2005-05-05

Centrifugal fan and housing thereof

#222
20050036287
2005-02-17

Air duct and electronic equipment using the air duct

#223
20050024829
2005-02-03

Heat-dissipating module

#224
17688753
2022-12-27

Thin type counter-rotating axial air moving device

#225
17361330
2022-06-07

Series fan