ClassID:

144278

F04D29/38 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for elastic fluids for axial flow pumps Blades

Sub-classes:
Recent Application in this class:
#1
20250230820
2025-07-17

FAN MODULE WITH A HEAT DISSIPATION FUNCTION

#2
20250215891
2025-07-03

CENTRIFUGAL FAN

#3
20250188946
2025-06-12

FAN BLADE DECORATION

#4
20250052253
2025-02-13

RADIAL IMPELLER WITH MAXIMIZED INDUCER AREA

#5
20250020131
2025-01-16

AXIAL FAN, AIR-SENDING DEVICE, AND REFRIGERATION CYCLE APPARATUS

#6
20240280110
2024-08-22

FAN FOR HANDHELD BLOWER

#7
20240271630
2024-08-15

Fan with a translucent blade support

#8
20240271629
2024-08-15

Fan with a translucent blade support

#9
20240183358
2024-06-06

AIR BLOWING DEVICE AND AIR CONDITIONING SYSTEM INCLUDING SAME

#10
20240159248
2024-05-16

CEILING FAN AND BLADE

#11
20240084815
2024-03-14

Fan and fan blades

#12
20240026887
2024-01-25

AXIAL FLOW FAN, AIR SENDING DEVICE, AND REFRIGERATION CYCLE APPARATUS

#13
20230392505
2023-12-07

Gas turbine rotor blade and gas turbine

#14
20230266000
2023-08-24

Fan lamp

#15
20230250854
2023-08-10

Power take-off with bell housing cooling system

#16
20230204037
2023-06-29

CENTRIFUGAL COMPRESSOR

#17
20230180906
2023-06-15

HAIRDRYER

#18
20230175528
2023-06-08

Ceiling fan and blade

#19
20230144453
2023-05-11

Ceiling fan blade

#20
20230109154
2023-04-06

Axial flow vacuum pump with curved rotor and stator blades

#21
20230078022
2023-03-16

Fan apparatus and air conditioner outdoor unit

#22
20220412225
2022-12-29

System and method for cleaning a gas turbine engine and related wash stand

#23
20220349420
2022-11-03

Fan structure

#24
20220325721
2022-10-13

Propeller fan, air-sending device, and refrigeration cycle device

#25
20220325719
2022-10-13

Aeromechanical identification systems and methods

#26
20220316492
2022-10-06

Air blower

#27
20220299041
2022-09-22

Fan body and electronic apparatus

#28
20220196029
2022-06-23

Axial fan, air-sending device, and refrigeration cycle apparatus

#29
20220178386
2022-06-09

Ceiling fan and blade

#30
20220178382
2022-06-09

BLOWER AND HEAT PUMP UNIT

#31
20220163049
2022-05-26

Axial fan and refrigeration cycle apparatus

#32
20220154643
2022-05-19

Geared turbofan engine gearbox arrangement

#33
20220136525
2022-05-05

Hydrogen centrifugal compressor

#34
20220128064
2022-04-28

Impeller and axial fan

#35
20220106965
2022-04-07

Gas turbine engine airfoil

#36
20220018358
2022-01-20

Propeller fan

#37
20210285397
2021-09-16

Gas turbine engine with axial movable fan variable area nozzle

#38
20210215160
2021-07-15

Fan for adjusting air flow

#39
20210199131
2021-07-01

Ceiling fan and blade

#40
20210164670
2021-06-03

Air-sending device and refrigeration cycle apparatus

#41
20210115934
2021-04-22

Vehicle and system and method of controlling air movement with a fan of a vehicle

#42
20210108651
2021-04-15

Impeller and axial fan

#43
20210102553
2021-04-08

Redundant drive orbittally driven electric ducted fan producing torque with lower electric current drawn

#44
20210048032
2021-02-18

Ceiling fan and method for controlling the same

#45
20210010485
2021-01-14

ROTOR BLADE AND AXIAL FLOW ROTATING MACHINE WITH THE SAME

#46
20210010483
2021-01-14

Propeller fan

#47
20200400159
2020-12-24

Fan blade attachment root with improved strain response

#48
20200400071
2020-12-24

Geared turbofan engine gearbox arrangement

#49
20200382038
2020-12-03

2-phase outer ring switched reluctance motor for low-speed and high-flow rate fan

#50
20200378400
2020-12-03

Rotor for turbine engine and turbine engine comprising this rotor

#51
20200298310
2020-09-24

Method of manufacturing Ni alloy part

#52
20200277965
2020-09-03

Air blower

#53
20200233991
2020-07-23

Stacking of rotor blade aerofoil sections to adjust resonant frequencies

#54
20200208646
2020-07-02

Blower

#55
20200173450
2020-06-04

Aeromechanical identification systems and methods

#56
20200166048
2020-05-28

Propeller fan, air-sending device, and refrigeration cycle device

#57
20200149545
2020-05-14

Gas turbine engine airfoil

#58
20200149544
2020-05-14

Gas turbine engine airfoil

#59
20200141269
2020-05-07

System and method for cleaning a gas turbine engine and related wash stand

#60
20200124053
2020-04-23

Gas turbine engine airfoil

#61
20200124051
2020-04-23

Fan

#62
20200080568
2020-03-12

FAN BLADE AND BLADE HUB ASSEMBLY

#63
20200063755
2020-02-27

Variable stator vane structure of axial compressor

#64
20200025211
2020-01-23

Fan blade attachment root with improved strain response

#65
20200018320
2020-01-16

Variable pitch fan for a gas turbine engine

#66
20190363608
2019-11-28

Connecting element for connecting a motor shaft of a motor to a rotary encoder and motor

#67
20190322354
2019-10-24

LIFTING SURFACES AND ASSOCIATED METHOD

#68
20190309766
2019-10-10

Axial flow fan

#69
20190301472
2019-10-03

COUNTER-ROTATING FAN

#70
20190291197
2019-09-26

Electrical discharge machining method and electrical discharge machining device

#71
20190260267
2019-08-22

Electrical machine cooled by a dual-flow impeller

#72
20190249683
2019-08-15

Fan for a turbomachine

#73
20190211843
2019-07-11

Vane axial fan with intermediate flow control rings

#74
20190203733
2019-07-04

Alignment and centering features for fan assembly

#75
20190178252
2019-06-13

Inlet for axial fan

#76
20190170161
2019-06-06

Fan housing for reduced noise

#77
20190120246
2019-04-25

Cooling towers axial fan in a hollowed disc/ring configuration

#78
20190113049
2019-04-18

Variable pitch fan for a gas turbine engine

#79
20190107079
2019-04-11

Gas turbine engine with axial movable fan variable area nozzle

#80
20190063464
2019-02-28

ENGINE COOLING FANS WITH UNEVEN BLADE SPACING

#81
20190063454
2019-02-28

Cooling fan structure with rotational cylindrical fan blades

#82
20190048890
2019-02-14

Axial-flow fan and outdoor unit

#83
20180363680
2018-12-20

FAN BLADE COVER

#84
20180335045
2018-11-22

Propeller fan

#85
20180328189
2018-11-15

CMC components having microchannels and methods for forming microchannels in CMC components

#86
20180320705
2018-11-08

Axial fan with unbalanced blade spacing

#87
20180298911
2018-10-18

SHAFT STRUCTURES OF FAN

#88
20180283403
2018-10-04

Fan blade surface features

#89
20180283205
2018-10-04

Gas turbine engine fan blade containment systems

#90
20180283204
2018-10-04

Gas turbine engine fan blade containment systems

#91
20180224353
2018-08-09

Blade health inspection using an excitation actuator and vibration sensor

#92
20180202460
2018-07-19

Turbofan case for controlling blade deflection

#93
20180195527
2018-07-12

Unsymmetrical turbofan abradable grind for reduced rub loads

#94
20180180060
2018-06-28

Blower and air conditioner having the same

#95
20180172014
2018-06-21

Windmill ceiling fan

#96
20180149162
2018-05-31

Aeromechanical identification systems and methods

#97
20180147683
2018-05-31

CHAMFERING OF LAMINATE LAYERS

#98
20180135644
2018-05-17

Bearing structure and heat dissipating fan using the same

#99
20180133859
2018-05-17

WEAR-INDICATING BLADE

#100
20180128280
2018-05-10

ROTOR AND VACUUM PUMP EQUIPPED WITH SAME

#101
20180128276
2018-05-10

Ceiling fan

#102
20180119615
2018-05-03

Low weight nose cone assembly

#103
20180112676
2018-04-26

Fan structure and manufacturing method thereof

#104
20180094525
2018-04-05

Methods and features for CMC component repairs

#105
20180087784
2018-03-29

Axial fan and outdoor unit including the same

#106
20180051705
2018-02-22

Gas-turbine engine composite components with integral 3-D woven off-axis reinforcement

#107
20180045207
2018-02-15

Fiber composite material and preform and fan blade made therefrom

#108
20180045139
2018-02-15

Gas turbine engine with axial movable fan variable area nozzle

#109
20180043997
2018-02-15

Inlet assembly for an aircraft aft fan

#110
20180030999
2018-02-01

HEAT DISSIPATION MODULE

#111
20180030996
2018-02-01

Fan blade surface features

#112
20180030925
2018-02-01

Gas turbine engine with axial movable fan variable area nozzle

#113
20180023579
2018-01-25

Blower

#114
20180017083
2018-01-18

WALL-MOUNTED AND TABLE-TYPE DUAL-PURPOSE FAN

#115
20180017063
2018-01-18

FAN ASSEMBLY

#116
20180010613
2018-01-11

Fan blade

#117
20180010550
2018-01-11

Gas turbine engine with axial movable fan variable area nozzle

#118
20180003190
2018-01-04

Axial flow fan and air-conditioning apparatus having axial flow fan

#119
20170370223
2017-12-28

Blade shield removal and replacement

#120
20170368647
2017-12-28

METHODS FOR REPAIRING FILM HOLES IN A SURFACE

#121
20170363094
2017-12-21

Method and system for metallic low pressure fan case heating

#122
20170356664
2017-12-14

HVAC DELIVERY SYSTEM IN HIGH VOLUME LOW-SPEED FAN

#123
20170348808
2017-12-07

Method for repairing a fan casing

#124
20170343015
2017-11-30

Compression system for a turbine engine

#125
20170342989
2017-11-30

Power Supply Using an Electric Fan to Generate Wind Power

#126
20170334547
2017-11-23

System and method for nose cone edge delamination repair

#127
20170326989
2017-11-16

FLUID MACHINE WITH PLASMA ACTUATOR

#128
20170320178
2017-11-09

Airfoil machining

#129
20170320133
2017-11-09

Method of manufacturing Ni alloy casting and Ni alloy casting

#130
20170312704
2017-11-02

Water dispersing system

#131
20170298947
2017-10-19

Fan with integrated shaft guard

#132
20170292382
2017-10-12

Manufacturing a monolithic component with discrete portions formed of different metals

#133
20170284403
2017-10-05

Fan motor

#134
20170248149
2017-08-31

Ventilation device

#135
20170218974
2017-08-03

Actuation system for varying blade pitch

#136
20170204739
2017-07-20

System and Method for Cleaning a Gas Turbine Engine and Related Wash Stand

#137
20170204728
2017-07-20

Turbine rotor blade row, turbine stage, and axial-flow turbine

#138
20170198723
2017-07-13

System and method of alleviating blade flutter

#139
20170198715
2017-07-13

CASING ARRANGEMENT

#140
20170184125
2017-06-29

Propeller fan and blower unit

#141
20170175766
2017-06-22

GAS TURBINE ENGINE WITH ROTATING INLET

#142
20170175629
2017-06-22

Gas turbine engine with short inlet, acoustic treatment and anti-icing features

#143
20170167507
2017-06-15

METHOD AND SYSTEM FOR A PITCH CHANGE MECHANISM HYDRAULIC FLUID TRANSFER SLEEVE

#144
20170167506
2017-06-15

Method for repairing a generator rotor blade connection

#145
20170167504
2017-06-15

Fan for a turbomachine

#146
20170167503
2017-06-15

Gas turbine engine airfoil

#147
20170164711
2017-06-15

Motor and a handheld device having a motor

#148
20170138373
2017-05-18

Tool and method for removing fan blades

#149
20170122340
2017-05-04

Storage system with noise reduction

#150
20170114799
2017-04-27

Propulsive assembly for aircraft comprising a turbojet fitted with a fan with removable blades

#151
20170114443
2017-04-27

High strain damping method including a face-centered cubic ferromagnetic damping coating, and components having same

#152
20170101171
2017-04-13

ROLLING BEARING FOR BLADE ROOT, OSCILLATING SYSTEM, AND ROTATING SYSTEM

#153
20170081752
2017-03-23

Method for Producing a Near Net Shape Metallic Leading Edge

#154
20170074284
2017-03-16

Gas turbine engine with axial movable fan variable area nozzle

#155
20170074210
2017-03-16

Gas turbine engine with axial movable fan variable area nozzle

#156
20170074209
2017-03-16

Gas turbine engine with axial movable fan variable area nozzle

#157
20170074208
2017-03-16

GAS TURBINE ENGINE WITH AXIAL MOVABLE FAN VARIABLE AREA NOZZLE

#158
20170074165
2017-03-16

Geared turbofan engine gearbox arrangement

#159
20170058673
2017-03-02

Rotary machine

#160
20170057201
2017-03-02

COMPOSITE COMPONENT

#161
20170038084
2017-02-09

Hybrid fan assembly and active heating pumping system

#162
20170037869
2017-02-09

Locking flywheel blade

#163
20170023012
2017-01-26

Nacelle assembly

#164
20170021489
2017-01-26

Power equipment cooling system

#165
20170021424
2017-01-26

Method of manufacturing ni alloy part

#166
20170009601
2017-01-12

MECHANICAL COMPONENT FOR THERMAL TURBO MACHINERY

#167
20160363135
2016-12-15

Fan casing assembly

#168
20160356285
2016-12-08

Gas turbine engine airfoil

#169
20160356244
2016-12-08

Turbine engine with a turbo-compressor

#170
20160355276
2016-12-08

Engine assembly of an aircraft including a display unit

#171
20160354999
2016-12-08

Anti-wear sheet, production method for the same, and anti-wear-sheet application method

#172
20160348691
2016-12-01

Gas turbine engine airfoil

#173
20160348689
2016-12-01

Fan blade attachment root with improved strain response

#174
20160341212
2016-11-24

Gas turbine engine airfoil

#175
20160341211
2016-11-24

Gas turbine engine airfoil

#176
20160341205
2016-11-24

Assembly for an engine which can define a blade break-off test device

#177
20160333734
2016-11-17

Immersed core flow inlet between rotor blade and stator vane for an unducted fan gas turbine

#178
20160319845
2016-11-03

FAN BLADE MONITORING AND CONTROL SYSTEM

#179
20160319837
2016-11-03

ACTIVE FLUTTER CONTROL OF VARIABLE PITCH BLADES

#180
20160305439
2016-10-20

FAN PLATFORM EDGE SEAL

#181
20160298642
2016-10-13

Fan, in particular for a turbine engine

#182
20160298468
2016-10-13

Bladed rotor

#183
20160273550
2016-09-22

LAYERED ICE LINER

#184
20160258440
2016-09-08

GAS TURBINE ENGINE WITH AIRFOIL DAMPENING SYSTEM

#185
20160258046
2016-09-08

Device and method for partially masking a component zone of a component

#186
20160230813
2016-08-11

Metallic insert with smooth contours for use with composite working members

#187
20160177971
2016-06-23

Method of manufacturing a gas turbine engine having a fan track liner with an abradable layer

#188
20160177782
2016-06-23

Engine component having platform with passageway

#189
20160176506
2016-06-23

Lifting surfaces and associated method

#190
20160169503
2016-06-16

LED LAMP FOR CEILING FAN AND CEILING FAN HAVING THE SAME

#191
20160169249
2016-06-16

BLOWER APPARATUS

#192
20160160651
2016-06-09

Airfoil including loose damper

#193
20160153356
2016-06-02

Geared turbofan engine gearbox arrangement

#194
20160146210
2016-05-26

Electrical machine, fan, ventilator

#195
20160146015
2016-05-26

Fluidfoil

#196
20160111940
2016-04-21

CEILING FAN MOTOR AND CEILING FAN

#197
20160107279
2016-04-21

Fixture system and method for securing an airfoil during material removal operations

#198
20160102676
2016-04-14

Fan and method of cooling a motor

#199
20160065045
2016-03-03

Fan device

#200
20160060844
2016-03-03

Shroud wear ring for a work vehicle

#201
20150377241
2015-12-31

LARGE DIAMETER FAN HAVING LOW PROFILE RADIAL AIR GAP MOTOR

#202
20150354378
2015-12-10

Fan blade positioning and support system for variable pitch, spherical tip fan blade engines

#203
20150330399
2015-11-19

Scented Fan Blade Covers and Related Methods

#204
20150311766
2015-10-29

Motor and blower

#205
20150308449
2015-10-29

GAS TURBINE ENGINE COMPONENT WITH BRAZED COVER

#206
20150300749
2015-10-22

Motor with cooled rotor

#207
20150300374
2015-10-22

Electric Fan

#208
20150300364
2015-10-22

DETACHABLE BLADES FOR A CEILING FAN

#209
20150267727
2015-09-24

Surface plasma actuator

#210
20150241088
2015-08-27

Fan and water heater provided with the same, and impeller and water heater provided with the same

#211
20150240829
2015-08-27

Rotor and vacuum pump equipped with same

#212
20150240822
2015-08-27

Stator-side member and vacuum pump

#213
20150226222
2015-08-13

Series fan

#214
20150110651
2015-04-23

Voltage application device, rotation apparatus and voltage application method

#215
20150030447
2015-01-29

Centrifugally driven aerodynamic rotor blade brake assembly

#216
20150003992
2015-01-01

Axial-flow fan

#217
20140356156
2014-12-04

Airfoil geometry of blade for axial compressor

#218
20140193271
2014-07-10

Method of making protective reinforcement for the leading edge of a blade

#219
20140193242
2014-07-10

Cooling fan with variable blade surface area

#220
20140147282
2014-05-29

FAN STRUCTURE

#221
20130276457
2013-10-24

Airfoil including loose damper

#222
20130251533
2013-09-26

Compressor wheel

#223
20130236328
2013-09-12

Axial flow impeller

#224
20130185924
2013-07-25

Chamfering of laminate layers

#225
20130025828
2013-01-31

Motor with cooled rotor

#226
20130004351
2013-01-03

Fan

#227
20130004350
2013-01-03

Fan bearing system having a fluid reservoir

#228
20120287550
2012-11-15

Voltage application device, rotation apparatus and voltage application method

#229
20120100006
2012-04-26

Blade

#230
20120073263
2012-03-29

Gas turbine engine with axial movable fan variable area nozzle

#231
20120014796
2012-01-19

KITE FAN BLADE

#232
20110200445
2011-08-18

PROPELLER FAN, FLUID FEEDER AND MOLDING DIE

#233
20110150665
2011-06-23

FAN ASSEMBLY

#234
20110142612
2011-06-16

Counter-rotating axial flow fan

#235
20110142611
2011-06-16

Counter-rotating axial flow fan

#236
20110076478
2011-03-31

DUST-REPELLENT NANOPARTICLE SURFACES

#237
20110076152
2011-03-31

VENTILATOR WHEEL OR FAN WHEEL WITH ANTIBACTERIAL COATING

#238
20100303634
2010-12-02

Fluid dynamic body having escapelet openings for reducing induced and interference drag, and energizing stagnant flow

#239
20100296935
2010-11-25

Centrifugally driven aerodynamic rotor blade brake assembly

#240
20100196158
2010-08-05

DUST COLLECTING COVER ASSEMBLY CAPABLE OF BEING COVERED UPON A BLADE

#241
20100086405
2010-04-08

Impeller, fan apparatus using the same, and method of manufacturing impeller

#242
20100074758
2010-03-25

Laminar flow rotor and related methods and systems

#243
20100059210
2010-03-11

FAN IMPELLER AND HEAT DISSIPATING DEVICE HAVING THE SAME

#244
20100054947
2010-03-04

BLADES OF A CEILING FAN (1)

#245
20090324418
2009-12-31

Structural and acoustical vibration dampener for a rotatable blade

#246
20090246024
2009-10-01

Fan and impeller thereof

#247
20090180888
2009-07-16

Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces

#248
20090123281
2009-05-14

Axial flow impeller

#249
20090092478
2009-04-09

System and method for improving flow in pumping systems

#250
20080213100
2008-09-04

Fan Blade Structure

#251
20080180938
2008-07-31

COOLING FAN CAPABLE OF SHOWING LUMINOUS FIGURES

#252
20080166241
2008-07-10

WIND TURBINE BLADE BRUSH

#253
20080138205
2008-06-12

FOIL FAN BLADE AND CEILING FAN

#254
20080138204
2008-06-12

KITE FAN BLADE

#255
20070269314
2007-11-22

Fan blade mounting system

#256
20070247832
2007-10-25

Fan with Bladers and Method for Displaying Illuminated Pictoral Elements

#257
20070243069
2007-10-18

Aerofoil and a method of manufacturing an aerofoil

#258
20070175032
2007-08-02

Aerofoil assembly and a method of manufacturing an aerofoil assembly

#259
20070166148
2007-07-19

TEMPERATURE DISPLAYING FAN

#260
20070160478
2007-07-12

Fan blade with non-varying stagger and camber angels

#261
20070155304
2007-07-05

Air Conditioner

#262
20060093485
2006-05-04

Fan wheel assembly for connecting multiple hub rings

#263
20050116477
2005-06-02

Automatic power generation light-image fan device

#264
20050095131
2005-05-05

Axial flow fan with multiple segment blades

#265
18216930
2024-04-23

Cooling fan module

#266
18215994
2024-02-06

Fan with a translucent blade support