ClassID:

144068

F04D17/16 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Centrifugal pumps for displacing without appreciable compression

Sub-classes:
Recent Application in this class:
#1
20260146626
2026-05-28

FAN CASING AND BLOWER ASSEMBLY

#2
20260146615
2026-05-28

CENTRIFUGAL HEAT DISSIPATION FAN

#3
20260146614
2026-05-28

CENTRIFUGAL HEAT DISSIPATION FAN

#4
20260139692
2026-05-21

FILTER FAN UNIT

#5
20260126051
2026-05-07

DIAGONAL IMPELLER, FAN AND VENTILATION DEVICE

#6
20260110307
2026-04-23

AIR PUMP DEVICE WITH AUTOMATIC AIR REPLENISHING FUNCTION AND METHOD OF USING SAME

#7
20260102875
2026-04-16

ELECTRIC WORK MACHINE

#8
20260085699
2026-03-26

CLEARANCE FLOW CONTROL FOR MIXED-FLOW FAN

#9
20260085695
2026-03-26

WIND WHEEL AND BLOWER USING SAME

#10
20260078770
2026-03-19

BLOWER WITH WATERPROOF FUNCTION

#11
20260063146
2026-03-05

FAN HOUSING STRUCTURE

#12
20260063140
2026-03-05

Rotary inflating and deflating pump

#13
20260055776
2026-02-26

IMPELLER FOR A FAN

#14
20260029000
2026-01-29

BLOWER DEVICE

#15
20260028973
2026-01-29

MULTI-PRESSURE INTEGRATED AIR PUMP

#16
20260022709
2026-01-22

CENTRIFUGAL FAN

#17
20260009400
2026-01-08

VENTILATION FAN

#18
20250354564
2025-11-20

BLOWER

#19
20250334133
2025-10-30

BEARING ASSEMBLIES, APPARATUSES, DEVICES, SYSTEMS, AND METHODS INCLUDINGBEARINGS

#20
20250327464
2025-10-23

FAN

#21
20250320880
2025-10-16

Centrifugal Air Blower

#22
20250305511
2025-10-02

BLOWER SYSTEM

#23
20250297617
2025-09-25

NECK FAN

#24
20250295874
2025-09-25

RESPIRATORY SUPPORT SYSTEM AND BLOWER FOR RESPIRATORY SUPPORT SYSTEM

#25
20250287527
2025-09-11

CENTRIFUGAL HEAT DISSIPATION FAN

#26
20250271149
2025-08-28

AIR-CONDITIONING INDOOR UNIT AND AIR CONDITIONER

#27
20250240913
2025-07-24

FAN BASE FOR PROVIDING POWER AND SIGNALS BETWEEN COMPONENTS

#28
20250239905
2025-07-24

BLOWER

#29
20250215891
2025-07-03

CENTRIFUGAL FAN

#30
20250207613
2025-06-26

BLOWER AND AIR FILTER ASSEMBLY

#31
20250207608
2025-06-26

APPARATUS FOR REDUCING AIR TURBULENCE IN A FAN CHASSIS

#32
20250198416
2025-06-19

CENTRIFUGAL BLOWER

#33
20250172154
2025-05-29

INTEGRATED INFLATING AND DEFLATING PUMP

#34
20250157374
2025-05-15

FAN ASSEMBLY FOR DISPLAYING AN IMAGE

#35
20250154964
2025-05-15

Flat Blower Fan Device

#36
20250151658
2025-05-15

BLOWER ASSEMBLY FOR A CLEANING DEVICE OF A COMBINE HARVESTER

#37
20250142765
2025-05-01

FAN ASSEMBLY, HEAT DISSIPATION ASSEMBLY AND ELECTRONIC DEVICE

#38
20250137459
2025-05-01

TEMPERATURE CONTROL PUMP

#39
20250129796
2025-04-24

BLOWER DEVICE AND RESPIRATOR INCLUDING BLOWER DEVICE

#40
20250084851
2025-03-13

SEALING ASSEMBLY FOR A PUMP WITH A LEAK PATH

#41
20250073409
2025-03-06

PAP SYSTEM BLOWER

#42
20250059983
2025-02-20

WEARABLE AIR CIRCULATION DEVICES AND METHODS OF USE

#43
20250052248
2025-02-13

Portable Air Mover

#44
20250043685
2025-02-06

CURVED BLADE, PREPARATION METHOD THEREOF, AND CENTRIFUGAL IMPELLER COMPRISING THE SAME

#45
20250035128
2025-01-30

CENTRIFUGAL FAN AND METHOD FOR MANUFACTURING THE SAME

#46
20250027513
2025-01-23

ROTATING DEVICE

#47
20250003423
2025-01-02

NECK FAN

#48
20240426313
2024-12-26

IMPELLER FOR A RADIAL FAN

#49
20240410396
2024-12-12

IMPELLER ARCHITECTURE FOR COOLING FAN NOISE REDUCTION

#50
20240410394
2024-12-12

AIRFLOW APPARATUS

#51
20240410391
2024-12-12

INFLATOR HAVING COMBINED CUTWATER AND INTAKE/EXHAUST PORT

#52
20240384731
2024-11-21

MOUNTING DEVICE FOR A FAN UNIT

#53
20240384728
2024-11-21

NECK FAN

#54
20240384727
2024-11-21

NECK FAN

#55
20240376905
2024-11-14

BLOWER WHEEL ASSEMBLIES AND METHODS

#56
20240310062
2024-09-19

ROTARY ROOF VENT

#57
20240301893
2024-09-12

Fan assembly and air conditioner

#58
20240296766
2024-09-05

Fan assembly for displaying an image

#59
20240263641
2024-08-08

Blower device

#60
20240254993
2024-08-01

Fan and electronic device

#61
20240240650
2024-07-18

PAP system blower

#62
20240240642
2024-07-18

Centrifugal blower

#63
20240237268
2024-07-11

CENTRIFUGAL HEAT DISSIPATION FAN OF PORTABLE ELECTRONIC DEVICE

#64
20240229827
2024-07-11

DOWNHOLE CENTRIFUGAL PUMPS INCLUDING LOCKING FEATURES AND RELATED COMPONENTS AND METHODS

#65
20240229805
2024-07-11

COMPACT LOW NOISE EFFICIENT BLOWER FOR CPAP DEVICES

#66
20240229802
2024-07-11

FAN, MORE PARTICULARLY RADIAL OR DIAGONAL FAN

#67
20240200577
2024-06-20

Blower vacuum

#68
20240191882
2024-06-13

Portable air flow apparatus

#69
20240188749
2024-06-13

COOKING UTENSIL

#70
20240175443
2024-05-30

BLOWER FOR BREATHING APPARATUS

#71
20240167483
2024-05-23

Air circulation apparatus with wire safety arrangement

#72
20240138098
2024-04-25

Centrifugal heat dissipation fan of portable electronic device

#73
20240133386
2024-04-25

COMPACT LOW NOISE EFFICIENT BLOWER FOR CPAP DEVICES

#74
20240133385
2024-04-25

Methods of manufacturing turbomachines having decoupled collectors

#75
20240125325
2024-04-18

PAP SYSTEM BLOWER

#76
20240121909
2024-04-11

CENTRIFUGAL FAN AND ELECTRONIC APPARATUS

#77
20240102488
2024-03-28

NECK FAN

#78
20240084809
2024-03-14

VENTILATION SYSTEM WITH INTEGRATED DRIVE SYSTEM

#79
20240084807
2024-03-14

Centrifugal blower

#80
20240068486
2024-02-29

SCROLL CASING, AND AIR-SENDING DEVICE AND AIR-CONDITIONING APPARATUS WHICH INCLUDE THE SAME

#81
20240044340
2024-02-08

Inflator having combined cutwater and intake/exhaust port

#82
20240035486
2024-02-01

Centrifugal fan

#83
20230417258
2023-12-28

Centrifugal fan

#84
20230400031
2023-12-14

AIR PUMP DEVICE ADAPTED TO SMALL-SIZED INFLATABLE PRODUCT AND INFLATABLE PRODUCT

#85
20230349395
2023-11-02

Blower device and respirator including blower device

#86
20230337391
2023-10-19

CENTRIFUGAL HEAT DISSIPATION FAN

#87
20230332587
2023-10-19

MULTI-PRESSURE INTEGRATED AIR PUMP

#88
20230313812
2023-10-05

High speed turbo-alternator with integrated cooling fan

#89
20230287902
2023-09-14

Blower vacuum

#90
20230280030
2023-09-07

AIR BLOWER AND COMBUSTION DEVICE INCLUDING THE SAME

#91
20230265863
2023-08-24

Fan with improved heat dissipation performance and low noise and electronic device having the same

#92
20230265853
2023-08-24

Blower

#93
20230265841
2023-08-24

Sealing assembly for a pump with a leak path

#94
20230258199
2023-08-17

Air pump assembly having a rotatable assembly for flowing air into or out of an inflatable product

#95
20230246508
2023-08-03

MOTOR MODULE

#96
20230223811
2023-07-13

HYDROGEN RECIRCULATION BLOWER

#97
20230220852
2023-07-13

Fan and cleaning device

#98
20230213042
2023-07-06

HOUSING FOR A FAN AND FAN

#99
20230213041
2023-07-06

Fan

#100
20230211355
2023-07-06

IMPACT BLOWER

#101
20230194394
2023-06-22

Flow Means For Reversing The Direction Of Flow

#102
20230193919
2023-06-22

Systems and methods for a rotary fan

#103
20230138644
2023-05-04

FAN AND FAN BLADES

#104
20230135727
2023-05-04

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

#105
20230132350
2023-04-27

Fan and fan blades

#106
20230130474
2023-04-27

Impeller, centrifugal fan, and air-conditioning apparatus

#107
20230093736
2023-03-23

Centrifugal fan

#108
20230081987
2023-03-16

Water heater blower housing, impeller, and static tap system

#109
20230071183
2023-03-09

Blower having a movable air flow converter

#110
20230065642
2023-03-02

ELECTRIC PUMP WITH ISOLATED STATOR

#111
20230064320
2023-03-02

Cooling fan

#112
20230063507
2023-03-02

Systems and methods for a rotary fan system

#113
20230035497
2023-02-02

Thin pump

#114
20230026923
2023-01-26

Blower Fan Assembly

#115
20230018982
2023-01-19

Fan assembly for displaying an image

#116
20230007968
2023-01-12

DEVICE, SYSTEM, AND/OR METHOD FOR TREATING AND MONITORING A PATIENT

#117
20220403855
2022-12-22

Blower

#118
20220397121
2022-12-15

Fan

#119
20220381251
2022-12-01

PAP system blower

#120
20220372984
2022-11-24

Turbomachines with decoupled collectors

#121
20220364565
2022-11-17

Sensing device, system and method for a pump

#122
20220356882
2022-11-10

Method of starting a fan using an open loop starting stage with a decreasing drive signal value

#123
20220333613
2022-10-20

Centrifugal blower with integrated motor and blower volute which functions as a heat sink for the motor

#124
20220290684
2022-09-15

Fan

#125
20220290677
2022-09-15

Compact low noise efficient blower for CPAP devices

#126
20220287202
2022-09-08

Fan impeller with sections having different blade design geometries

#127
20220282874
2022-09-08

Portable air flow apparatus

#128
20220282737
2022-09-08

Mounting device for a fan unit

#129
20220260087
2022-08-18

Guard for an intake channel or blow channel of a power tool and power tool with such a guard

#130
20220235782
2022-07-28

AIRFLOW DEVICE

#131
20220228601
2022-07-21

Centrifugal fan and clothing dryer

#132
20220213901
2022-07-07

Air blower and exhaust fan comprising the same

#133
20220196033
2022-06-23

Housing of centrifugal fan, centrifugal fan and clothes dryer

#134
20220154722
2022-05-19

FAN APPARATUS

#135
20220145901
2022-05-12

Bladeless fan with multiple air ducts

#136
20220145892
2022-05-12

DETERMINATION OF VOLUME FLOW RATE

#137
20220143339
2022-05-12

RESPIRATORY SUPPORT SYSTEM AND BLOWER FOR RESPIRATORY SUPPORT SYSTEM

#138
20220136527
2022-05-05

MOTORIZED FAN UNIT FOR A MOTOR VEHICLE

#139
20220128065
2022-04-28

Blowing device and combustion device including same

#140
20220117433
2022-04-21

COOKING UTENSIL

#141
20220105287
2022-04-07

Breathable gas supply apparatus

#142
20220099106
2022-03-31

Centrifugal fan and air conditioning apparatus

#143
20220090607
2022-03-24

Centrifugal fan frame body structure

#144
20220071106
2022-03-10

Systems and methods of improved plant cultivation and elongate airflow assembly for the same

#145
20220065258
2022-03-03

Portable temperature regulation device

#146
20220051597
2022-02-17

Fan assembly for displaying an image

#147
20220003243
2022-01-06

Centrifugal fan and blower equipped with the centrifugal fan

#148
20220003237
2022-01-06

Rotor assembly

#149
20220003144
2022-01-06

Fan assembly for a motor vehicle

#150
20210396243
2021-12-23

Fan impeller structure

#151
20210391768
2021-12-16

Fan motor

#152
20210388850
2021-12-16

Centrifugal blower having an integrated cooling function

#153
20210388849
2021-12-16

Centrifugal fan and terminal

#154
20210388848
2021-12-16

Asymmetrical double-outlet blower

#155
20210381514
2021-12-09

Flow generator

#156
20210355955
2021-11-18

ROTOR MOUNTING UNIT

#157
20210355946
2021-11-18

Radial ventilator

#158
20210351659
2021-11-11

Blower

#159
20210301832
2021-09-30

Blower for breathing apparatus

#160
20210277904
2021-09-09

Air mover

#161
20210270281
2021-09-02

Air treatment equipment, fan and centrifugal fan blade of fan

#162
20210267091
2021-08-26

Air flow control in data storage systems

#163
20210262472
2021-08-26

Water heater blower housing, impeller, and static tap system

#164
20210260316
2021-08-26

Breathable gas apparatus with humidifier

#165
20210231127
2021-07-29

Fan

#166
20210222697
2021-07-22

Motor-fan assembly with improved airflow and noise reduction properties

#167
20210222529
2021-07-22

Processes for increasing hydrocarbon production

#168
20210215173
2021-07-15

BLOWER DEVICE AND RESPIRATOR INCLUDING BLOWER DEVICE

#169
20210207605
2021-07-08

Digital inflation and deflation adjustment structure for a pump

#170
20210199121
2021-07-01

Disk-shaped fan impeller structure

#171
20210164492
2021-06-03

Plenum fan

#172
20210153493
2021-05-27

LIGHT HAVING A FLY KILLING FUNCTION

#173
20210148368
2021-05-20

Automated fan inlet damper closure apparatus

#174
20210095679
2021-04-01

Air blower

#175
20210088050
2021-03-25

Blower

#176
20210079922
2021-03-18

Centrifugal pump and a pump housing

#177
20210062820
2021-03-04

Fan module

#178
20210048031
2021-02-18

Fan motor

#179
20210003120
2021-01-07

Multi-pressure integrated air pump

#180
20200408216
2020-12-31

Fan and electromechanical apparatus

#181
20200400146
2020-12-24

Scroll housing subassembly and method for servicing a scroll housing subassembly

#182
20200392966
2020-12-17

Fan device

#183
20200330709
2020-10-22

Pap system blower

#184
20200329583
2020-10-15

Fan for an electronic device

#185
20200325903
2020-10-15

Turbomachines with decoupled collectors

#186
20200300261
2020-09-24

Blower

#187
20200297953
2020-09-24

Breathable gas supply apparatus

#188
20200291965
2020-09-17

Blower assembly and methods of assembling the same

#189
20200284429
2020-09-10

Blower assembly for gas-burning appliance

#190
20200277961
2020-09-03

Air intake assembly for centrifugal blower system and fuel cell incorporating same

#191
20200240433
2020-07-30

HVAC fan assembly air inlet systems and methods

#192
20200232480
2020-07-23

Centrifugal blower assembly and method for assembling the same

#193
20200217328
2020-07-09

Cutoff for a blower housing

#194
20200215282
2020-07-09

Induction motor control

#195
20200208649
2020-07-02

Waterproof blower fan

#196
20200200182
2020-06-25

Blower fan having impeller and motor

#197
20200191157
2020-06-18

Heat dissipation fan

#198
20200182250
2020-06-11

Compact low noise efficient blower for CPAP devices

#199
20200173264
2020-06-04

Electric submersible pumping unit

#200
20200163514
2020-05-28

Vacuum suctioning unit

#201
20200157925
2020-05-21

Electric submersible pumping unit

#202
20200088206
2020-03-19

Fan locking and disconnection device and related systems

#203
20200079499
2020-03-12

Fluidic actuator for airfoil

#204
20200072499
2020-03-05

Heating blower and heating device

#205
20200063750
2020-02-27

Fan blade structure and centrifugal fan

#206
20200062075
2020-02-27

Blower apparatus and automotive air conditioner

#207
20200049167
2020-02-13

Blower device and respirator including blower device

#208
20200046920
2020-02-13

Breathing apparatus comprising a differential pressure sensor

#209
20200040900
2020-02-06

Thin cooling fan

#210
20200018558
2020-01-16

Mechanical system with cooling apparatus

#211
20190390689
2019-12-26

Fastener and electronic apparatus

#212
20190389345
2019-12-26

Cooling fan and seat cooling device comprising same

#213
20190376711
2019-12-12

Air cleaner

#214
20190368498
2019-12-05

Centrifugal blower

#215
20190366025
2019-12-05

Breathing apparatus comprising a differential pressure sensor

#216
20190356194
2019-11-21

Axial flux electric machine and methods of assembling the same

#217
20190353183
2019-11-21

Multiblade fan

#218
20190353173
2019-11-21

Low profile directional centrifugal ceiling fan

#219
20190353170
2019-11-21

Method of starting a fan using an open loop starting stage with a decreasing drive signal value

#220
20190345957
2019-11-14

Attachable personal cooling fans

#221
20190331135
2019-10-31

Fan and balance ring for fan

#222
20190316792
2019-10-17

VENT PIPE AND BLOWER COMPRISING THE SAME

#223
20190307977
2019-10-10

BLOWER AND PAP SYSTEM

#224
20190301491
2019-10-03

Muffling device and ventilating fan having the same

#225
20190301485
2019-10-03

Fan module and electronic device

#226
20190293090
2019-09-26

AIRFLOW GENERATOR

#227
20190293083
2019-09-26

Centrifugal blower

#228
20190293082
2019-09-26

CENTRIFUGAL BLOWER

#229
20190293075
2019-09-26

Fan apparatus

#230
20190290081
2019-09-26

BLOWER AND VACUUM CLEANER

#231
20190277309
2019-09-12

CENTRIFUGAL FAN

#232
20190277306
2019-09-12

Fan structure and electronic assembly

#233
20190277305
2019-09-12

Air mover

#234
20190277299
2019-09-12

Fan motor and vehicle comprising same

#235
20190275539
2019-09-12

On-demand high volume, low pressure spray system

#236
20190271514
2019-09-05

Hydraulic cooler assembly for a header of an agricultural harvester

#237
20190264735
2019-08-29

Electric submersible pumping unit

#238
20190264703
2019-08-29

Electric submersible pumping unit

#239
20190264697
2019-08-29

CENTRIFUGAL FAN

#240
20190264696
2019-08-29

CENTRIFUGAL FAN

#241
20190264695
2019-08-29

CENTRIFUGAL FAN

#242
20190264694
2019-08-29

Centrifugal fan

#243
20190264550
2019-08-29

ELECTRIC SUBMERSIBLE PUMPING UNIT

#244
20190264540
2019-08-29

Electric submersible pumping unit

#245
20190260262
2019-08-22

Blower motor

#246
20190249686
2019-08-15

Fan

#247
20190249680
2019-08-15

Built-in air pump

#248
20190249679
2019-08-15

AIR CONDITIONER FOR VEHICLE

#249
20190242400
2019-08-08

Centrifugal fan

#250
20190234423
2019-08-01

FAN

#251
20190226495
2019-07-25

BLOWER DEVICE

#252
20190226491
2019-07-25

Blower device and blower system equipped with blower device

#253
20190219980
2019-07-18

Control system for operating grain bin systems

#254
20190195231
2019-06-27

CENTRIFUGAL FAN

#255
20190195230
2019-06-27

CENTRIFUGAL FAN

#256
20190190339
2019-06-20

Three-phase brushless fan

#257
20190184868
2019-06-20

Dual scroll type bi-directional blower

#258
20190173140
2019-06-06

TEMPERATURE CONDITIONING UNIT, TEMPERATURE CONDITIONING SYSTEM, AND VEHICLE

#259
20190170160
2019-06-06

Blower

#260
20190170147
2019-06-06

BLOWER UNIT

#261
20190165651
2019-05-30

MOTOR, BLOWING DEVICE, AND VACUUM CLEANER

#262
20190160240
2019-05-30

Respiratory support system and blower for respiratory support system

#263
20190154061
2019-05-23

Reduced noise appliance

#264
20190136872
2019-05-09

Electric blower and electric equipment

#265
20190134548
2019-05-09

BLOWING UNIT FOR AIR CLEANER AND AIR CLEANER INCLUDING THE SAME

#266
20190128281
2019-05-02

Blower fan

#267
20190120251
2019-04-25

Blower assembly and methods of assembling the same

#268
20190120248
2019-04-25

Fan

#269
20190115864
2019-04-18

Blower register

#270
20190113045
2019-04-18

Motor-fan assembly with improved airflow and noise reduction properties

#271
20190113044
2019-04-18

Motor-fan assembly with improved airflow and noise reduction properties

#272
20190113043
2019-04-18

Motor-fan assembly with improved airflow and noise reduction properties

#273
20190113042
2019-04-18

Motor-fan assembly with improved airflow and noise reduction properties

#274
20190112053
2019-04-18

FAN ASSEMBLY COMPRISING FAN WHEEL WITH INLET AND OUTLET OF EQUAL CROSS SECTION AREA

#275
20190104639
2019-04-04

COOLING MODULE WITH MULTIPLE PARALLEL BLOWERS

#276
20190101122
2019-04-04

Diagonal fan

#277
20190093666
2019-03-28

Centrifugal fan assembly

#278
20190093665
2019-03-28

Centrifugal blower

#279
20190085863
2019-03-21

Induced draft fan and gas furnace comprising the same

#280
20190085861
2019-03-21

Handheld work apparatus

#281
20190085857
2019-03-21

MOUNTING STRUCTURE, ROTATIONAL MACHINERY, AND AIR CONDITIONING APPARATUS

#282
20190078573
2019-03-14

Fan device and method for manufacturing the same

#283
20190063455
2019-02-28

CENTRIFUGAL FAN AND METHOD FOR CLEANING THEREOF

#284
20190063454
2019-02-28

Cooling fan structure with rotational cylindrical fan blades

#285
20190055957
2019-02-21

Centrifugal fan

#286
20190048881
2019-02-14

Fan motor comprising a housing and a printed circuit board disposed outside of a lower housing and coupled to a concavely formed board coupling portion at a lower surface of the housing

#287
20190048879
2019-02-14

Cross flow blower

#288
20190035317
2019-01-31

Fan assembly for displaying an image

#289
20190032676
2019-01-31

Combined secondary inlet bell and flow grid for a centrifugal fan or centrifugal compressor

#290
20190017517
2019-01-17

Blower

#291
20190013712
2019-01-10

Stacking-type stator using multilayer printed circuit board, and single-phase motor and cooling fan using same

#292
20190010959
2019-01-10

Blower noise suppressor

#293
20190003490
2019-01-03

Packaged compressor

#294
20190003485
2019-01-03

Centrifugal fan

#295
20180368280
2018-12-20

Industrial fan assembly

#296
20180363672
2018-12-20

Axial blade impeller for an industrial fan assembly

#297
20180363671
2018-12-20

Forward curved blade impeller for an industrial fan assembly

#298
20180363670
2018-12-20

Radial blade impeller for an industrial fan assembly

#299
20180355882
2018-12-13

Turbofan

#300
20180347578
2018-12-06

Momentum Based Blower Interstitial Seal