ClassID:

144253

F04D29/283 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type

Recent Application in this class:
#1
20260009400
2026-01-08

VENTILATION FAN

#2
20250305511
2025-10-02

BLOWER SYSTEM

#3
20250215879
2025-07-03

CROSSFLOW FAN

#4
20250129788
2025-04-24

CROSS FLOW FAN AND BLOWING DEVICE

#5
20250020137
2025-01-16

COOLING ATTACHMENT SYSTEM FOR COMPRESSOR MOTOR ASSEMBLY

#6
20250012291
2025-01-09

AIR BLOWER

#7
20240418179
2024-12-19

FAN WHEEL AND A METHOD OF MANUFACTURING THEREOF

#8
20240376908
2024-11-14

Centrifugal Fan Impeller, Fan and Air Conditioning System

#9
20240310062
2024-09-19

ROTARY ROOF VENT

#10
20240200828
2024-06-20

Fan and Heat Pump Type Water Heater Using Same

#11
20230135727
2023-05-04

Impeller, multi-blade air-sending device, and air-conditioning apparatus

#12
20230038614
2023-02-09

Centrifugal or diagonal impeller with modified blade edge

#13
20220341433
2022-10-27

Impeller-type exhaust apparatus for blocking electric heat

#14
20220299034
2022-09-22

AIR CONDITIONER

#15
20220213901
2022-07-07

Air blower and exhaust fan comprising the same

#16
20220196028
2022-06-23

Method of manufacturing a fan assembly

#17
20220163046
2022-05-26

AIR HANDLER BLOWER AND METHOD OF OERATING THE SAME

#18
20220163039
2022-05-26

Low Noise High Efficiency Centrifugal Blower

#19
20220032727
2022-02-03

Air intake housing and blower for a corresponding motor vehicle heating, ventilation and/or air conditioning device

#20
20210293245
2021-09-23

Exhaust fan

#21
20200277960
2020-09-03

Air conditioner

#22
20200271123
2020-08-27

Method of manufacturing a fan assembly

#23
20200173455
2020-06-04

Double suction fan and air conditioner having the same

#24
20190376527
2019-12-12

DUAL-HEAD FAN

#25
20190338782
2019-11-07

High efficiency forward curved impeller and method for assembling the same

#26
20190323555
2019-10-24

Bearing centering spring and damper

#27
20190113221
2019-04-18

Ventilation system

#28
20190078581
2019-03-14

Fan assembly and method

#29
20190040869
2019-02-07

Fan Assembly and Method

#30
20190010955
2019-01-10

Fan Impeller and Fan Using Fan Impeller

#31
20180363671
2018-12-20

Forward curved blade impeller for an industrial fan assembly

#32
20180328367
2018-11-15

Cross-flow fan

#33
20180320697
2018-11-08

Blower assembly kit, device kit and associated method

#34
20180274857
2018-09-27

NAIL DRYER

#35
20180274516
2018-09-27

Device for converting the kinetic energy of waves, water flows or wind into mechanical energy

#36
20180258948
2018-09-13

Centrifugal blower assemblies having a plurality of airflow guidance fins and method of assembling the same

#37
20180238351
2018-08-23

Blower and air-conditioning apparatus including the same

#38
20180238338
2018-08-23

BLOWER APPARATUS

#39
20180156228
2018-06-07

Blower housing labyrinth seal

#40
20180135651
2018-05-17

Centrifugal fan assembly including cooling vanes and a cooling plate

#41
20180044012
2018-02-15

Aircraft with tilting cross-flow fan wings

#42
20180023588
2018-01-25

FAN ASSEMBLY

#43
20170342992
2017-11-30

Low Noise High Efficiency Centrifugal Blower

#44
20170234323
2017-08-17

Centrifugal blower wheel for HVACR applications

#45
20170114793
2017-04-27

Fan attachment structure

#46
20170107997
2017-04-20

Fan attachment structure

#47
20170107994
2017-04-20

Drive device and blower device

#48
20170097015
2017-04-06

Centrifugal fan

#49
20170089356
2017-03-30

Centrifugal fan

#50
20170051760
2017-02-23

Multi-blade fan

#51
20170002827
2017-01-05

Blade of cross-flow fan

#52
20160355069
2016-12-08

Suction pulser intended for a heating, ventilation and/or air-conditioning device of a motor vehicle

#53
20160349701
2016-12-01

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

#54
20160334841
2016-11-17

Transverse fan assembly

#55
20160290353
2016-10-06

Centrifugal fan

#56
20160238027
2016-08-18

Scroll for air conditioner and air conditioner having the same

#57
20160161133
2016-06-09

Ventilation module with swirler fan

#58
20160153458
2016-06-02

Centrifugal fan

#59
20160108928
2016-04-21

Centrifugal fan and air conditioner having the same

#60
20160061214
2016-03-03

Impeller and blower

#61
20160040683
2016-02-11

Fan

#62
20160010656
2016-01-14

Fan, molding die, and fluid feeder

#63
20160003256
2016-01-07

Fan, molding die, and fluid feeder

#64
20150377248
2015-12-31

Fan impeller blade

#65
20150292508
2015-10-15

Air conditioner

#66
20150285525
2015-10-08

Air conditioner

#67
20150260201
2015-09-17

Blower assembly and method

#68
20150260198
2015-09-17

Method to reduce entrance losses to increase fan inlet flow and reduce acoustic noise

#69
20150252816
2015-09-10

Cross-flow fan

#70
20150118054
2015-04-30

RADIAL BLOWER

#71
20150071782
2015-03-12

Fan impeller

#72
20150044051
2015-02-12

HVAC blower impeller

#73
20150037154
2015-02-05

Fan assembly

#74
20150016979
2015-01-15

Sirocco fan and air conditioner having same

#75
20140356171
2014-12-04

ROTOR FOR A CENTRIFUGAL FAN, PARTICULARLY FOR THE FORCED CIRCULATION OF AIR IN CONVENTION COOKING OVENS

#76
20140301825
2014-10-09

Cross flow fan

#77
20140286800
2014-09-25

Centrifugal fan and air conditioner having the same

#78
20130336793
2013-12-19

Cross-flow fan, molding die, and fluid feeder

#79
20130259669
2013-10-03

Cross flow fan and indoor unit of air-conditioning apparatus

#80
20130177395
2013-07-11

Cross flow fan and air-conditioning apparatus including same

#81
20130170942
2013-07-04

Multiple Fan Blade Angles in a Single Crossflow Fan

#82
20130129515
2013-05-23

Cross flow fan and air conditioner

#83
20130126134
2013-05-23

Cross flow fan and air conditioner having the same

#84
20130101451
2013-04-25

Double inlet centrifugal blower with a solid center plate

#85
20130101408
2013-04-25

Fan, molding die, and fluid feeder

#86
20130101405
2013-04-25

Fan, molding die, and fluid feeder

#87
20130097860
2013-04-25

Method for forming a blower wheel having longitudinally inclined blades

#88
20130097831
2013-04-25

Apparatus for forming a blower wheel having longitudinally inclined blades

#89
20130004329
2013-01-03

Fan, molding die, and fluid feeder

#90
20120269621
2012-10-25

Multiblade air blower

#91
20120263573
2012-10-18

Cross flow fan, air blower and air conditioner

#92
20120219434
2012-08-30

Heating and cooling apparatus

#93
20120201680
2012-08-09

Method of manufacturing a fan assembly

#94
20120177477
2012-07-12

Cross-flow fan, molding die, and fluid feeder

#95
20120171013
2012-07-05

Cross-flow fan, molding die, and fluid feeder

#96
20120134794
2012-05-31

FAN AND AIR-CONDITIONING APPARATUS PROVIDED WITH FAN

#97
20110318189
2011-12-29

Crossflow fan and air conditioner provided with same

#98
20110171004
2011-07-14

CROSS-FLOW FAN, BLOWER AND MOLDING MACHINE FOR IMPELLER

#99
20110033306
2011-02-10

CROSS-FLOW FAN AND AIR CONDITIONER EQUIPPED WITH SAME

#100
20100215486
2010-08-26

Multiblade air blower

#101
20100158689
2010-06-24

Resin cross flow fan and manufacturing method thereof

#102
20100143137
2010-06-10

Blower wheel

#103
20100126206
2010-05-27

INDOOR UNIT FOR AIR CONDITIONING APPARATUS

#104
20090290986
2009-11-26

Impeller of multiblade blower and method of manufacuturing the same

#105
20090202352
2009-08-13

Forward swept centrifugal fan wheel

#106
20090129933
2009-05-21

Blower wheel

#107
20090071029
2009-03-19

DOMESTIC CLOTHES DRIER WITH TWIN FAN

#108
20090028719
2009-01-29

Multi-blade fan

#109
20080317612
2008-12-25

Auxiliary engine driven device and methods for use thereof

#110
20080310960
2008-12-18

Cross-flow fan impeller for a transversley excited, pulsed, gas discharge laser

#111
20080075598
2008-03-27

FAN ASSEMBLY AND IMPELLER THEREOF

#112
20080004090
2008-01-03

Rotating inlet for cross flow fan

#113
20070251065
2007-11-01

Method and Apparatus for Forming Centrifugal Fan Impellers

#114
20070212211
2007-09-13

CROSS FLOW FAN APPARATUS, ELECTRONIC APPARATUS AND IMPELLER

#115
20070177971
2007-08-02

Impeller for blower and air conditioner having the same

#116
20060216139
2006-09-28

Advanced ventilator vane structure

#117
20060198729
2006-09-07

Multi-vane centrifugal fan

#118
20060172682
2006-08-03

Space saving vertically oriented fan

#119
20060153676
2006-07-13

Multi-stage blower

#120
20060093472
2006-05-04

Blower structure

#121
20060083610
2006-04-20

Centrifugal blower

#122
20060056964
2006-03-16

Centrifugal Fan, Cooling Mechanism, and Apparatus Furnished with the Cooling Mechanism

#123
20060039783
2006-02-23

Impeller for radial-flow heat dissipating fan

#124
20060018750
2006-01-26

Cross flow fan

#125
20060013684
2006-01-19

Fan impeller and fan motor

#126
20050201864
2005-09-15

CENTRIFUGAL FAN

#127
20050201861
2005-09-15

CENTRIFUGAL FAN

#128
20050169757
2005-08-04

Fan assembly and impeller thereof

#129
20050095133
2005-05-05

Injection molded centrifugal air impeller

#130
20050047916
2005-03-03

Modified centrifugal fan wheel

#131
20050042082
2005-02-24

Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanism

#132
20050013685
2005-01-20

Cross flow fan

#133
18908149
2025-09-02

Centrifugal compressor

#134
17743063
2023-06-13

Dynamically controlled cooling device