ClassID:

144274

F04D29/362 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for elastic fluids for axial flow pumps; Blade mountings adjustable during rotation

Sub-classes:
Recent Application in this class:
#1
20260139687
2026-05-21

IMPELLER FOR A DUCT

#2
20260117784
2026-04-30

LOW PITCH PROTECTION CONTROL SYSTEM

#3
20260036135
2026-02-05

TURBOFAN ENGINE INCLUDING A FAN ACTUATION SYSTEM

#4
20250341326
2025-11-06

DYNAMICALLY TEMPERATURE AND SHAPE CHANGING FAN WITH NATIVE AIR PURIFICATION AND ROOM STERILIZATION

#5
20250250987
2025-08-07

IMPELLER FOR A DUCT

#6
20250230753
2025-07-17

TURBOFAN ENGINE INCLUDING A FAN ACTUATION SYSTEM

#7
20250207607
2025-06-26

HYDRAULIC POSITION CONTROL ARRANGEMENT

#8
20250129724
2025-04-24

FLUID TRANSFER DEVICE WITH HYDRAULIC AND MECHANICAL CONNECTION MEANS

#9
20250020139
2025-01-16

Module for mounting a turbomachine fan blade

#10
20240352943
2024-10-24

Cooling fan assembly

#11
20240318565
2024-09-26

VARIABLE PITCH FAN

#12
20240229743
2024-07-11

VARIABLE PITCH FANS FOR TURBOMACHINERY ENGINES

#13
20240229656
2024-07-11

VARIABLE PITCH FAN OF A GAS TURBINE ENGINE

#14
20230126551
2023-04-27

Variable pitch fans for turbomachinery engines

#15
20230030793
2023-02-02

Hub driven variable height fan

#16
20220276279
2022-09-01

Blade angle position feedback system with embedded markers

#17
20220275774
2022-09-01

Variable pitch fans for turbomachinery engines

#18
20220120286
2022-04-21

Fan lamp

#19
20220112902
2022-04-14

Method and system for integrated pitch control mechanism actuator hydraulic fluid transfer

#20
20220098991
2022-03-31

Blade dovetail and retention apparatus

#21
20220018357
2022-01-20

Blade pivot of adjustable orientation and of reduced bulk for a turbomachine fan hub

#22
20210291962
2021-09-23

Variable pitch bladed disc

#23
20210180607
2021-06-17

Fan

#24
20210115938
2021-04-22

Hidden fan and fan lamp

#25
20210071589
2021-03-11

Pitch control assembly for an aircraft-bladed rotor

#26
20210071539
2021-03-11

Pitch control assembly for an aircraft-bladed rotor

#27
20210070434
2021-03-11

Feedback device with variable magnetic permeability

#28
20210016864
2021-01-21

Reluctance driven axial modulating mechanism for rotating shafts realizing a controllable pitch propeller/fan/turbine

#29
20210003141
2021-01-07

Fan wheel driven in only one rotational direction

#30
20200377219
2020-12-03

Variable pitch for coordinated control

#31
20200370441
2020-11-26

Fan assembly for an HVAC system

#32
20200141421
2020-05-07

Method and system for integrated pitch control mechanism actuator hydraulic fluid transfer

#33
20200095876
2020-03-26

Low-pitch variable-setting fan of a turbine engine

#34
20200040905
2020-02-06

Hydraulic rotary feed-through

#35
20200025208
2020-01-23

VARIABLE PITCH FAN ASSEMBLY WITH BLADE PITCH INDICATION

#36
20200018320
2020-01-16

Variable pitch fan for a gas turbine engine

#37
20190203728
2019-07-04

Fan

#38
20190162105
2019-05-30

Apparatus for actuating and controlling the rotation of blades of fans for cooling the coolant in machines/vehicles

#39
20190128214
2019-05-02

Fan cowl with a serrated trailing edge providing attached flow in reverse thrust mode

#40
20190120241
2019-04-25

Assembly blower and associated method

#41
20190113049
2019-04-18

Variable pitch fan for a gas turbine engine

#42
20190078536
2019-03-14

FLOW PATH SPLITTER FOR TURBOFAN GAS TURBINE ENGINES

#43
20190048888
2019-02-14

Hub for propeller having variable-pitch blades, with radial and axial dimensioning variation

#44
20190024672
2019-01-24

Fan module with variable-pitch blades for a turbine engine

#45
20190017396
2019-01-17

Aircraft gas turbine engine variable fan blade mechanism

#46
20190010957
2019-01-10

Variable pitch blade pivot for a turbine engine fan hub

#47
20190009886
2019-01-10

Device for locking the pitch and for feathering adjustable-pitch fan blades of a turbine engine propeller

#48
20190003484
2019-01-03

Fan module having variable-pitch blades for a turbine engine

#49
20180363481
2018-12-20

Variable pitch change control method

#50
20180335047
2018-11-22

Fan module with variable pitch blades

#51
20180335046
2018-11-22

Fan module with variable pitch blades

#52
20180334915
2018-11-22

Turbomachine module comprising a rotor supporting pitchable blades

#53
20180258946
2018-09-13

CEILING FAN LAMP WITH CONCEALED FAN BLADES

#54
20180155040
2018-06-07

Variable pitch for coordinated control

#55
20180135557
2018-05-17

Propulsion assembly comprising a duct for feeding the gas generator in an inter-duct casing

#56
20180128277
2018-05-10

Ceiling fan capable of adjusting angles of fan blades

#57
20180066671
2018-03-08

Adaptable articulating axial-flow compressor/turbine rotor blade

#58
20180045070
2018-02-15

Variable orientation vane for compressor of axial turbomachine

#59
20180044009
2018-02-15

Rotorcraft variable thrust cross-flow fan systems

#60
20180038383
2018-02-08

Pre-assembled blade for fans for cooling the coolant in machines/vehicles and fan provided with said blade

#61
20170361919
2017-12-21

Propeller blade angle control system

#62
20170343008
2017-11-30

Lever arm device for controlling the pitch of fan blades of a turbine engine having an unducted fan

#63
20170274980
2017-09-28

Variable pitch bladed disc

#64
20170234324
2017-08-17

Method and system for integrated pitch control mechanism actuator hydraulic fluid transfer

#65
20170218974
2017-08-03

Actuation system for varying blade pitch

#66
20170191495
2017-07-06

Variable-pitch fan with low pitch of a turbine engine

#67
20170167507
2017-06-15

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

#68
20170146022
2017-05-25

Blade for industrial axial fan and industrial axial fan comprising such blade

#69
20170138306
2017-05-18

Gas turbine engine fan

#70
20170112054
2017-04-27

Harvester reversing engine fan

#71
20170101171
2017-04-13

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

#72
20170067480
2017-03-09

Blade for a variable pitch fan

#73
20170066522
2017-03-09

Pitch change mechanism for a bladed rotor

#74
20160319845
2016-11-03

FAN BLADE MONITORING AND CONTROL SYSTEM

#75
20160319837
2016-11-03

ACTIVE FLUTTER CONTROL OF VARIABLE PITCH BLADES

#76
20160290341
2016-10-06

Fan assembly having a rotatingly drive hub

#77
20160265547
2016-09-15

Multi-stage co-rotating variable pitch fan

#78
20160229547
2016-08-11

Method and apparatus for controlling a turboprop engine

#79
20160160879
2016-06-09

Method for reducing the noise level of a turbomachine fan

#80
20160160875
2016-06-09

GAS TURBINE ENGINE WITH FAN CLEARANCE CONTROL

#81
20150369255
2015-12-24

Apparatus for generating a vortex for a vacuum cleaner

#82
20150354378
2015-12-10

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

#83
20150285262
2015-10-08

Device and method for controlling the pitch of blades

#84
20140205457
2014-07-24

System for changing the pitch of the blades of a propeller

#85
20140017086
2014-01-16

System for changing the pitch of the contra-rotating propellers of a turboshaft engine

#86
20130136596
2013-05-30

Blade-pitch control system with feedback swashplate

#87
20130094966
2013-04-18

Axial displacement and rotational speed monitoring

#88
20130058789
2013-03-07

Actuating blades of an unducted fan

#89
20130011261
2013-01-10

Assembly having a control device with racks for controlling the angular position of pivotally-mounted blades in a turbine engine

#90
20120263593
2012-10-18

Variable pitch fan having a pitch sensor

#91
20120240878
2012-09-27

Internal combustion engine with fan system

#92
20120055137
2012-03-08

Gas turbine engine having fan blades of adjustable pitch with cyclic setting

#93
20110303472
2011-12-15

Variable pitch radiator fan control system

#94
20110293426
2011-12-01

Rotor blade pitch adjusting device and turbomachine containing the same

#95
20110020135
2011-01-27

Ceiling fan

#96
20100202882
2010-08-12

Blade assembly for a ceiling fan

#97
20100135799
2010-06-03

Blade pitch control system

#98
20090311100
2009-12-17

Turboprop including a set of adjustable-pitch blades

#99
20090257872
2009-10-15

Reduced-impedance cooling system with variable pitch blade and hot-swappable spare

#100
20090196747
2009-08-06

Compact variable pitch fan

#101
20090123284
2009-05-14

High volume low speed fan

#102
20090060739
2009-03-05

Fan blade pitch change assembly

#103
20090057043
2009-03-05

Variable pitch radiator fan control system

#104
20080273976
2008-11-06

Variable rotor blade for gas turbine engine

#105
20080219846
2008-09-11

Apparatus for hydraulically adjusting the blades of an impeller of an axial-flow fan

#106
20080179455
2008-07-31

Turboprop with a variable-pitch propeller

#107
20080095627
2008-04-24

Fan blades having variable pitch compliantly responsive to a linear actuator

#108
20070286730
2007-12-13

Device for measuring the displacement travel of a hydraulic displacement mechanism

#109
20070151385
2007-07-05

Axial fan having adjustable blades and method of mounting the blades

#110
20060083618
2006-04-20

Hydraulic or pneumatic machine with tilting blades

#111
20050280664
2005-12-22

Electric turbine

#112
20050100444
2005-05-12

Control system for variable pitch fan

#113
19224363
2026-05-05

Trunnions having multiple fan blades for use with an aircraft engine

#114
19063846
2026-03-10

Propulsor assembly for a turbine engine

#115
19054026
2026-03-03

Gas turbine engine

#116
18799361
2025-09-02

Cooling system for a work vehicle

#117
17890063
2023-07-18

Actuated blade-pitch change mechanisms

#118
16052951
2019-01-08

Variable pitch fan for gas turbine engine

#119
15826116
2019-11-12

Variable performance axial flow ducted fan with high efficiency and reduced current drawn

#120
14879062
2016-07-12

Ventilation fan with automatic blade closure mechanism