ClassID:

144293

F04D29/4246 - CPC Classification

Classification description:

Details, component parts, or accessories; Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps; Fan casings comprising more than one outlet

Recent Application in this class:
#1
20250297617
2025-09-25

NECK FAN

#2
20250295874
2025-09-25

RESPIRATORY SUPPORT SYSTEM AND BLOWER FOR RESPIRATORY SUPPORT SYSTEM

#3
20250257734
2025-08-14

NECK FAN

#4
20250250986
2025-08-07

NECK FAN

#5
20250250985
2025-08-07

CENTRIFUGAL FAN, NECK FAN, AND VORTEX SHELL ASSEMBLY

#6
20250223974
2025-07-10

NOZZLE FOR A FAN ASSEMBLY

#7
20250215881
2025-07-03

FAN ASSEMBLY

#8
20250180036
2025-06-05

FAN ASSEMBLY

#9
20250163922
2025-05-22

CENTRIFUGAL FAN, NECK FAN, AND VORTEX SHELL ASSEMBLY

#10
20250154956
2025-05-15

Regenerative blower

#11
20250146501
2025-05-08

NECK FAN

#12
20250142765
2025-05-01

FAN ASSEMBLY, HEAT DISSIPATION ASSEMBLY AND ELECTRONIC DEVICE

#13
20250075706
2025-03-06

HANGING NECK FAN

#14
20250059981
2025-02-20

AN AIR LEAK PROOF REGULATING STRUCTURE OF A MECHANICAL PUMP

#15
20250003424
2025-01-02

APPARATUS FOR REDUCING AIR TURBULENCE IN A FAN CHASSIS

#16
20250003423
2025-01-02

NECK FAN

#17
20240384728
2024-11-21

NECK FAN

#18
20240384727
2024-11-21

NECK FAN

#19
20240309879
2024-09-19

CENTRIFUGAL FAN, NECK FAN, AND VORTEX SHELL ASSEMBLY

#20
20240271636
2024-08-15

Nozzle for a fan assembly

#21
20240271634
2024-08-15

NOZZLE FOR A FAN ASSEMBLY

#22
20240229824
2024-07-11

Centrifugal blower

#23
20240102488
2024-03-28

NECK FAN

#24
20240077082
2024-03-07

CENTRIFUGAL FAN, NECK FAN, AND VORTEX SHELL ASSEMBLY

#25
20240018970
2024-01-18

Fan assembly

#26
20230272802
2023-08-31

Neck fan

#27
20230265861
2023-08-24

Housing for flow-conducting components

#28
20230265853
2023-08-24

Blower

#29
20230258193
2023-08-17

Neck fan

#30
20230213042
2023-07-06

HOUSING FOR A FAN AND FAN

#31
20230152023
2023-05-18

Appliance fan assembly

#32
20230122270
2023-04-20

Blower

#33
20230093793
2023-03-23

Neck fan

#34
20220333606
2022-10-20

Neck fan

#35
20220290687
2022-09-15

Portable blowing device

#36
20220282733
2022-09-08

Regenerative blower

#37
20220235785
2022-07-28

Neck fan

#38
20220235784
2022-07-28

NECK FAN

#39
20220145901
2022-05-12

Bladeless fan with multiple air ducts

#40
20220145896
2022-05-12

Neck fan

#41
20220143339
2022-05-12

RESPIRATORY SUPPORT SYSTEM AND BLOWER FOR RESPIRATORY SUPPORT SYSTEM

#42
20220106963
2022-04-07

Neck fan

#43
20220037957
2022-02-03

Adaptor with improved airflow

#44
20210388848
2021-12-16

Asymmetrical double-outlet blower

#45
20210355960
2021-11-18

Portable blowing device

#46
20210355959
2021-11-18

Portable blowing device

#47
20210285458
2021-09-16

Split nose blower scroll

#48
20210274679
2021-09-02

Fan-equipped heatsink

#49
20210262487
2021-08-26

HOUSING FOR A FAN AND FAN

#50
20210190086
2021-06-24

PATIENT VENTILATION DEVICE INCLUDING BLOWER WITH DIVIDED AIR OUTLET CHANNELS

#51
20210143769
2021-05-13

Vacuum cleaner motor assemblies and methods of operating same

#52
20210137327
2021-05-13

Vacuum cleaner motor assemblies and methods of operating same

#53
20210071682
2021-03-11

Centrifugal fan

#54
20200340493
2020-10-29

Blower system with dual opposite outlets and fan diameter approaching to blower housing dimension for information handling systems

#55
20200309137
2020-10-01

Regenerative blower

#56
20200291950
2020-09-17

Blowing device

#57
20200158126
2020-05-21

Patient ventilation device including blower with scallopped shroud

#58
20200072499
2020-03-05

Heating blower and heating device

#59
20190376527
2019-12-12

DUAL-HEAD FAN

#60
20190293083
2019-09-26

Centrifugal blower

#61
20190242400
2019-08-08

Centrifugal fan

#62
20190184868
2019-06-20

Dual scroll type bi-directional blower

#63
20190170161
2019-06-06

Fan housing for reduced noise

#64
20190170157
2019-06-06

Fan assembly

#65
20190160240
2019-05-30

Respiratory support system and blower for respiratory support system

#66
20190134548
2019-05-09

BLOWING UNIT FOR AIR CLEANER AND AIR CLEANER INCLUDING THE SAME

#67
20190113053
2019-04-18

Blower

#68
20190092128
2019-03-28

Blower unit, and method of manufacturing blower unit

#69
20190078576
2019-03-14

Fluid sealing member and fluid pump and motor having fluid sealing member

#70
20190030986
2019-01-31

Blower device for air-conditioning of vehicle

#71
20190003491
2019-01-03

Air mover inlet interface and cover

#72
20180352676
2018-12-06

Thermal management components for electronic devices

#73
20180306206
2018-10-25

Fan and mounting bracket for an air mover

#74
20180298914
2018-10-18

BLOWER

#75
20180235239
2018-08-23

Convection oven

#76
20180209432
2018-07-26

Clip fan

#77
20180180345
2018-06-28

Branching air supply device and refrigerator with branching air supply device

#78
20180112669
2018-04-26

Dual operation centrifugal fan apparatus and methods of using same

#79
20180023590
2018-01-25

Multi-directional cooling fan

#80
20170356463
2017-12-14

Blower apparatus

#81
20170350415
2017-12-07

Drainage device cover for air access

#82
20170314574
2017-11-02

Diffuser of a thermal energy machine and thermal energy machine

#83
20170254344
2017-09-07

Centrifugal compressor

#84
20170175747
2017-06-22

Fan unit

#85
20170082116
2017-03-23

Patient ventilation device including blower with divided air outlet channels

#86
20170051750
2017-02-23

Edge-free blower cooling interface

#87
20170016629
2017-01-19

Range hood and volute casing thereof

#88
20170002829
2017-01-05

Multi-volute sirocco fan

#89
20160369819
2016-12-22

AIR MOVER INLET INTERFACE AND COVER

#90
20160369811
2016-12-22

Centrifugal fan with dual outlets in the same direction and fan frame thereof

#91
20160349701
2016-12-01

Image forming apparatus having cooling mechanism, cooling device, and cross-flow fan

#92
20160334841
2016-11-17

Transverse fan assembly

#93
20160327063
2016-11-10

Fan and mounting bracket for an air mover

#94
20160192445
2016-06-30

Microwave cooking device

#95
20160108928
2016-04-21

Centrifugal fan and air conditioner having the same

#96
20160053773
2016-02-25

Centrifugal fan

#97
20150308447
2015-10-29

Air blower

#98
20150300368
2015-10-22

Fan

#99
20150192146
2015-07-09

Centrifugal ceiling fan

#100
20150147167
2015-05-28

VENTILATION UNIT

#101
20140037478
2014-02-06

Ventilating fan

#102
20130164123
2013-06-27

Air conveyor

#103
20130121816
2013-05-16

BLOWER WITH MULTIPLE AIR OUTLETS

#104
20130058783
2013-03-07

Impeller and centrifugal fan using the same

#105
20130039752
2013-02-14

Centrifugal fan module, heat dissipation device having the same and electric device having the heat dissipation device

#106
20130028720
2013-01-31

Centrifugal fan

#107
20130011247
2013-01-10

CENTRIFUGAL FAN WITH A MULTISTAGE IMPELLER

#108
20120285454
2012-11-15

Patient ventilation device including blower with divided air outlet channels

#109
20120237340
2012-09-20

Active air flow adjustable fan

#110
20120219440
2012-08-30

Centrifugal ceiling fan

#111
20120125572
2012-05-24

COOLING DEVICE

#112
20120102969
2012-05-03

Centrifugal compressor with bleed flow splitter for a gas turbine engine

#113
20120036645
2012-02-16

Inflatable bed having air chambers inflatable individually by an electric air pump unit

#114
20120026677
2012-02-02

Dual operation centrifugal fan apparatus and methods of using same

#115
20110280748
2011-11-17

Centrifugal blower with partitioned scroll diffuser

#116
20110250065
2011-10-13

Centrifugal fan

#117
20110110774
2011-05-12

Blower Fan

#118
20110088393
2011-04-21

Turbocharger and air induction system incorporating the same and method of using the same

#119
20110008161
2011-01-13

FAN

#120
20100230076
2010-09-16

Heat dissipation device and centrifugal fan thereof

#121
20100186688
2010-07-29

Engine blower

#122
20100162489
2010-07-01

Inflatable bed having air chambers inflatable individually by an electric air pump unit

#123
20100126207
2010-05-27

VENTILATING DEVICE AND THE REFRIGERATOR HAVING THE SAME

#124
20100096112
2010-04-22

Thermal module

#125
20100071875
2010-03-25

HEAT DISSIPATION DEVICE AND CENTRIFUGAL FAN THEREOF

#126
20100044468
2010-02-25

DEVICE FOR DISTRIBUTING VOLATILE FLUIDS IN AIR

#127
20090304492
2009-12-10

Blower systems and methods having multiple outlets

#128
20090235685
2009-09-24

Arrangement for air conditioning of subassemblies

#129
20090044835
2009-02-19

Dual path blower method and apparatus

#130
20080267764
2008-10-30

Active air flow adjustable fan

#131
20080233831
2008-09-25

Motive inflatable display

#132
20080117594
2008-05-22

Thermal module with centrifugal blower and electronic assembly incorporating the same

#133
20080109963
2008-05-15

Inflatable bed having a built-in electric air pump unit for inflating a mattress assembly

#134
20080109962
2008-05-15

Inflatable bed having air chambers inflatable individually by an electric air pump unit

#135
20080109958
2008-05-15

Bedstead assembly with a foldable support frame

#136
20070266728
2007-11-22

Refrigerator

#137
20070160462
2007-07-12

Centrifugal fan and fan frame thereof

#138
20070131228
2007-06-14

Portable blower system

#139
20070092384
2007-04-26

Cooling system for a blower

#140
20060078428
2006-04-13

Bi-directional blowers for cooling computers

#141
20060078423
2006-04-13

Bi-directional Blowers for Cooling Laptop Computers

#142
20060048518
2006-03-09

Thermoelectric heat exchanger

#143
20050092016
2005-05-05

Air chiller unit

#144
19293033
2026-02-10

Dual-duct air pump

#145
18890486
2025-10-07

Centrifugal blower housing

#146
18167924
2023-07-18

Neck-hanging fan

#147
16395138
2020-03-10

Blower system with dual opposite outlets and fan diameter approaching to blower housing dimension for information handling systems