Patents-Review.com
ClassID:

144289 ⎘

F04D29/422 - 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 Discharge tongues

Recent Application in this class:
#1
20260063140
2026-03-05

Rotary inflating and deflating pump

 #2
20260036133
2026-02-05

AIRCRAFT GAS TURBINE ENGINE IMPELLER WITH A TRAILING EDGE THAT IS NON-LINEAR OR ANGLED OR IRREGULARLY-SHAPED

 #3
20250297616
2025-09-25

TOW AND RIDE DEBRIS BLOWERS

 #4
20250271000
2025-08-28

VENTILATION SYSTEM FAN SCROLL

 #5
20250207608
2025-06-26

APPARATUS FOR REDUCING AIR TURBULENCE IN A FAN CHASSIS

 #6
20240383545
2024-11-21

Airfoils and Machines Incorporating Airfoils

 #7
20240301893
2024-09-12

Fan assembly and air conditioner

 #8
20240117810
2024-04-11

Blower and indoor unit

 #9
20240035485
2024-02-01

Interchangeable modular cutoff for centrifugal blowers

 #10
20240011500
2024-01-11

CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS

 #11
20230417258
2023-12-28

Centrifugal fan

 #12
20230400036
2023-12-14

Centrifugal blower, air-blowing apparatus, air-conditioning apparatus, and refrigeration cycle apparatus

 #13
20230392607
2023-12-07

CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS

 #14
20230375194
2023-11-23

Air-conditioning apparatus

 #15
20230375002
2023-11-23

Blower housing for blower of HVAC system

 #16
20230303191
2023-09-28

Airfoils and machines incorporating airfoils

 #17
20230246508
2023-08-03

MOTOR MODULE

 #18
20230213042
2023-07-06

HOUSING FOR A FAN AND FAN

 #19
20230093736
2023-03-23

Centrifugal fan

 #20
20230057952
2023-02-23

Blower housing for blower of HVAC system

 #21
20220412372
2022-12-29

CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS

 #22
20220390139
2022-12-08

Blower with adjustable cutoff plate

 #23
20220348270
2022-11-03

Airfoils and machines incorporating airfoils

 #24
20220290688
2022-09-15

Fan with scroll housing and scroll housing for fan

 #25
20220228601
2022-07-21

Centrifugal fan and clothing dryer

 #26
20220106968
2022-04-07

Centrifugal blower, air-blowing apparatus, air-conditioning apparatus, and refrigeration cycle apparatus

 #27
20220056924
2022-02-24

Centrifugal blower assembly and method for assembling the same

 #28
20210388848
2021-12-16

Asymmetrical double-outlet blower

 #29
20210340994
2021-11-04

Side channel compressor for compressing gas

 #30
20210285458
2021-09-16

Split nose blower scroll

 #31
20210222703
2021-07-22

Centrifugal compressor

 #32
20210199125
2021-07-01

Centrifugal fan, air-sending device, air-conditioning apparatus, and refrigeration cycle apparatus

 #33
20210190090
2021-06-24

Blower housing for blower of HVAC system

 #34
20210172454
2021-06-10

Air duct assemblys, and fan heaters

 #35
20210140672
2021-05-13

Blower with adjustable cutoff plate

 #36
20210108555
2021-04-15

Turbocharger including a turbine housing to reduce high cycle fatigue

 #37
20210088050
2021-03-25

Blower

 #38
20210033104
2021-02-04

CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS

 #39
20200398908
2020-12-24

Airfoils and machines incorporating airfoils

 #40
20200370563
2020-11-26

CENTRIFUGAL HEAT DISSIPATION FAN

 #41
20200362880
2020-11-19

CENTRIFUGAL FAN AND ELECTRONIC DEVICE

 #42
20200316507
2020-10-08

ELECTRIC COMPRESSOR HAVING IMPROVED OIL SEPARATION EFFICIENCY

 #43
20200248713
2020-08-06

Compressor

 #44
20200182257
2020-06-11

Turbocharger

 #45
20200149548
2020-05-14

COMPRESSOR

 #46
20200149547
2020-05-14

Compressor

 #47
20200129909
2020-04-30

Air purifier including bi-directional fans having different discharge directions

 #48
20200120881
2020-04-23

Stand-on blower

 #49
20200062075
2020-02-27

Blower apparatus and automotive air conditioner

 #50
20190368510
2019-12-05

Cross flow fan

 #51
20190338784
2019-11-07

Volute mechanism of a centrifugal fan

 #52
20190301079
2019-10-03

Positive-negative-rotation fan for clothes dryer, and clothes dryer

 #53
20190269286
2019-09-05

BLOWER WITH INTAKE CLOSURE

 #54
20190249680
2019-08-15

Built-in air pump

 #55
20190242400
2019-08-08

Centrifugal fan

 #56
20190230814
2019-07-25

AIR BLOWER

 #57
20190226491
2019-07-25

Blower device and blower system equipped with blower device

 #58
20190202503
2019-07-04

Airfoils and machines incorporating airfoils

 #59
20190186499
2019-06-20

Centrifugal blower assembly and method for assembling the same

 #60
20190085863
2019-03-21

Induced draft fan and gas furnace comprising the same

 #61
20190010959
2019-01-10

Blower noise suppressor

 #62
20180355886
2018-12-13

Discharge section structure for centrifugal compressor

 #63
20180328369
2018-11-15

Blower housing with two position cutoff

 #64
20180283396
2018-10-04

Centrifugal air blower

 #65
20180235239
2018-08-23

Convection oven

 #66
20180209440
2018-07-26

Centrifugal blower, air conditioning apparatus, and refrigerating cycle apparatus

 #67
20180187695
2018-07-05

Centrifugal fan and heating device provided therewith

 #68
20180149170
2018-05-31

Scroll casing and centrifugal compressor

 #69
20180135653
2018-05-17

Spiral housing for a radial fan

 #70
20180119708
2018-05-03

Two-stage compressor with asymmetric second-stage inlet duct

 #71
20180017073
2018-01-18

Centrifugal compressor casing and centrifugal compressor

 #72
20170254337
2017-09-07

Built-in air pump

 #73
20170089356
2017-03-30

Centrifugal fan

 #74
20170051750
2017-02-23

Edge-free blower cooling interface

 #75
20170023019
2017-01-26

Fan

 #76
20170003038
2017-01-05

AIR-CONDITIONING INDOOR MACHINE

 #77
20160353951
2016-12-08

Blower with intake closure

 #78
20160230775
2016-08-11

Compressor

 #79
20160230651
2016-08-11

Controlling turbocharger compressor choke

 #80
20160229262
2016-08-11

Forced cooling of vehicle air-conditioning blower motor with airflow regulating ribs

 #81
20160209893
2016-07-21

Centrifugal fan and an electronic device having the same

 #82
20160208816
2016-07-21

Blower assembly for a vehicle

 #83
20160201691
2016-07-14

Suction device with sound mirror device

 #84
20160195107
2016-07-07

Diffuser for a forward-swept tangential flow compressor

 #85
20160195106
2016-07-07

CENTRIFUGAL FAN, AND FAN EQUIPPED WITH SOUND-MUFFLING BOX AND USING CENTRIFUGAL FAN

 #86
20160177973
2016-06-23

Fan including at least one cover element

 #87
20160123346
2016-05-05

Compressor structure for turbochargers

 #88
20160108921
2016-04-21

Centrifugal compressor and turbocharger

 #89
20160084263
2016-03-24

Centrifugal compressor and turbocharger

 #90
20160047386
2016-02-18

Single suction centrifugal blower

 #91
20160044867
2016-02-18

BLOWER ATTACHMENT FOR A LAWNMOWER

 #92
20150377249
2015-12-31

Diffuser and method of operating diffuser

 #93
20150292521
2015-10-15

Blower and method for decreasing eddy noise

 #94
20150285525
2015-10-08

Air conditioner

 #95
20150285134
2015-10-08

Compressor stage of a turbocharger with flow amplifier

 #96
20150275915
2015-10-01

Housing of a centrifugal blower

 #97
20150267715
2015-09-24

Fan

 #98
20150267707
2015-09-24

Motor-driven turbo compressor

 #99
20150198178
2015-07-16

Centrifugal air blower

 #100
20150198176
2015-07-16

Fan

 #101
20150132120
2015-05-14

Compressor for supercharger of internal combustion engine

 #102
20150110615
2015-04-23

Centrifugal fan

 #103
20150108364
2015-04-23

Charged particle emission device and air-blowing device

 #104
20150086354
2015-03-26

Ventilating fan

 #105
20150063994
2015-03-05

Scroll tongue part and rotary machine including the same

 #106
20140341706
2014-11-20

Supersonic compressor with structural arrangement to increase pressure energy in a discharge process fluid received from a centrifugal impeller

 #107
20140328671
2014-11-06

Bladeless fan

 #108
20140314558
2014-10-23

Centrifugal fan

 #109
20140314544
2014-10-23

Devices and methods for reducing noise in a blower housing

 #110
20140286800
2014-09-25

Centrifugal fan and air conditioner having the same

 #111
20140219834
2014-08-07

Blower fan

 #112
20140178194
2014-06-26

Blower fan

 #113
20140178186
2014-06-26

Blower fan

 #114
20140158463
2014-06-12

Acoustic baffle for centrifugal blowers

 #115
20140044531
2014-02-13

Motor housing

 #116
20140007859
2014-01-09

High efficiency furnace/air handler blower housing with a side wall having an exponentially increasing expansion angle

 #117
20130336819
2013-12-19

Centrifugal blower and vehicle air conditioner provided with the same

 #118
20130256056
2013-10-03

Acoustic baffle for centrifugal blowers

 #119
20130243584
2013-09-19

Centrifugal fan

 #120
20130170945
2013-07-04

Furnace air handler blower with enlarged backward curved impeller and associated method of use

 #121
20130143479
2013-06-06

Heating ventilator for bathroom

 #122
20130142615
2013-06-06

Blower housing

 #123
20130072105
2013-03-21

Ventilating fan

 #124
20120237340
2012-09-20

Active air flow adjustable fan

 #125
20120148393
2012-06-14

Centrifugal fan

 #126
20120128477
2012-05-24

Radial compressor and method for producing a radial compressor

 #127
20120114476
2012-05-10

VENTILATOR

 #128
20120057963
2012-03-08

Compressor of an exhaust-gas turbocharger

 #129
20120014789
2012-01-19

Air blowing device

 #130
20110319894
2011-12-29

Plate system for managing a bone fracture

 #131
20110318176
2011-12-29

Centrifugal fan

 #132
20110255953
2011-10-20

Turbo machine and method to reduce vibration in turbo machines

 #133
20110250049
2011-10-13

Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower

 #134
20110250048
2011-10-13

Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower

 #135
20110250047
2011-10-13

Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower

 #136
20110142609
2011-06-16

Centrifugal compressor with pipe diffuser

 #137
20110114073
2011-05-19

Furnace air handler blower housing with an enlarged air outlet opening

 #138
20110083832
2011-04-14

Heat dissipating blower

 #139
20110044808
2011-02-24

Radial fan and a high-pressure cleaning device having a radial fan

 #140
20100263653
2010-10-21

High Efficiency Furnace/Air Handler Blower Housing with a Side Wall Having an Exponentially Increasing Expansion Angle

 #141
20100226766
2010-09-09

Centrifugal blower

 #142
20100183433
2010-07-22

Centrifugal fan

 #143
20100178171
2010-07-15

Cut-off construction for transverse fan assemblies that have elongated fan blades of arcuate cross-section

 #144
20100178163
2010-07-15

Radial compressor with a diffuser for use in a turbocharger

 #145
20100166539
2010-07-01

Centrifugal compressor

 #146
20100104421
2010-04-29

Cooling fan

 #147
20100092282
2010-04-15

Centrifugal fan

 #148
20100078007
2010-04-01

High efficiency furnace/air handler blower housing with a side wall having an exponentially increasing expansion angle

 #149
20100074742
2010-03-25

CENTRIFUGAL FAN

 #150
20100071875
2010-03-25

HEAT DISSIPATION DEVICE AND CENTRIFUGAL FAN THEREOF

 #151
20100068047
2010-03-18

Centrifugal blower

 #152
20100040456
2010-02-18

Centrifugal fan

 #153
20090324403
2009-12-31

Impeller with Hybrid Blades for Blowers

 #154
20090232648
2009-09-17

Reduction of flow-induced noise in a centrifugal blower

 #155
20090226329
2009-09-10

Condensate Pump

 #156
20090169373
2009-07-02

CENTRIFUGAL BLOWER AND BOTTOM HOUSING THEREOF

 #157
20090145583
2009-06-11

Blower and air conditioner having the same

 #158
20090114206
2009-05-07

Furnace air handler blower housing with an enlarged air outlet opening

 #159
20090114205
2009-05-07

High efficiency furnace having a blower housing with an enlarged air outlet opening

 #160
20080298959
2008-12-04

Unit for treating air with controlled flow

 #161
20080292455
2008-11-27

CENTRIFUGAL AIR BLOWER

 #162
20080267764
2008-10-30

Active air flow adjustable fan

 #163
20080193285
2008-08-14

Centrifugal fan

 #164
20080181764
2008-07-31

Air conditioner

 #165
20080159883
2008-07-03

Fan-motor assembly

 #166
20080011461
2008-01-17

Heat dissipation apparatus

 #167
20070059168
2007-03-15

Volute for a centrifugal compressor

 #168
20070014666
2007-01-18

Centrifugal fan assembly

 #169
20060275115
2006-12-07

Centrifugal fan and frame thereof

 #170
20060204382
2006-09-14

Radial fan

 #171
20060165521
2006-07-27

Scroll casing for centrifugal blowers

 #172
20060099071
2006-05-11

Centrifugal fan

 #173
20060051206
2006-03-09

Lobed joint draft inducer blower

 #174
20060051204
2006-03-09

Lobed joint draft inducer blower

 #175
20050281669
2005-12-22

Centrifugal fan

 #176
20050276684
2005-12-15

Centrifugal fan with resonant silencer

 #177
20050207887
2005-09-22

Centrifugal fan

 #178
20050194003
2005-09-08

Furnace distribution blower without a blower housing

 #179
20050123394
2005-06-09

Compressor diffuser

 #180
18890486
2025-10-07

Centrifugal blower housing

 #181
18205543
2025-07-01

Tow and ride debris blowers

 #182
15164149
2018-01-02

Mist blower

 #183
14452195
2015-12-08

Solids pump having feed guides