ClassID:

144273

F04D29/36 - CPC Classification

Classification description:

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

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

IMPELLER FOR A DUCT

#2
20250341220
2025-11-06

CEILING FAN WITH ADJUSTABLE BLADES

#3
20250290519
2025-09-18

FAN WHEEL

#4
20250264112
2025-08-21

ELECTRIC LANTERN WITH FOLDABLE FAN BLADES

#5
20250250987
2025-08-07

IMPELLER FOR A DUCT

#6
20250067277
2025-02-27

INDUSTRIAL AXIAL FAN BLADE

#7
20240295223
2024-09-05

Automatic Folding Blade Type Fan Mounting Frame Structure

#8
20240117813
2024-04-11

FAN BLADE STRUCTURE, FAN, AND FAN LIGHT

#9
20230323893
2023-10-12

ADJUSTABLE IMPELLER FOR AXIAL FLOW FAN

#10
20230287897
2023-09-14

CEILING FAN WITH ADJUSTABLE BLADES

#11
20230220816
2023-07-13

Outlet guide vane

#12
20230124160
2023-04-20

Hiding fan and fan lamp

#13
20220364493
2022-11-17

Method for controlling the pitch angle of blades of an engine cooling fan

#14
20220289368
2022-09-15

Precision blade pitch adjustment

#15
20220275774
2022-09-01

Variable pitch fans for turbomachinery engines

#16
20220112902
2022-04-14

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

#17
20220099098
2022-03-31

Fan wheel

#18
20220042520
2022-02-10

Ceiling fan and fan set

#19
20220003123
2022-01-06

Turbine engine comprising a rotor supporting variable-pitch blades

#20
20210381388
2021-12-09

Turbine engine comprising a rotor with variable-pitch blades

#21
20210180607
2021-06-17

Fan

#22
20210062822
2021-03-04

PORTABLE FAN

#23
20210018011
2021-01-21

Air shutter and radiating fan including the same

#24
20200362878
2020-11-19

Fan and a fan lamp thereof

#25
20200191154
2020-06-18

Air shutter and radiating fan including the same

#26
20200141421
2020-05-07

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

#27
20200049166
2020-02-13

Low noise and high efficiency blade for axial fans and rotors and axial fan or rotor comprising said blade

#28
20200040627
2020-02-06

Additively manufactured hinge assembly

#29
20190264700
2019-08-29

DEVICES, SYSTEMS, AND METHODS FOR CONTROLLING A CEILING FAN

#30
20190219063
2019-07-18

Folding and unfolding structure of blade of ceiling fan

#31
20190211841
2019-07-11

Composite fan blades with integral attachment mechanism

#32
20190195237
2019-06-27

Fan assembly

#33
20190136867
2019-05-09

Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind

#34
20190040872
2019-02-07

Two-stage blade adjusting device for counter-rotating axial flow fan

#35
20190009887
2019-01-10

System for controlling the pitch of fan blades of a turbine engine, the system having a feathering-locking peg

#36
20180306201
2018-10-25

Variable pitch fan blade system

#37
20180209443
2018-07-26

Aircraft comprising a turbine engine incorporated into the rear fuselage comprising a system for blocking the fans

#38
20180128277
2018-05-10

Ceiling fan capable of adjusting angles of fan blades

#39
20180003184
2018-01-04

Two-way flow control device, associated systems and methods

#40
20170350402
2017-12-07

Axial ventilator

#41
20170321561
2017-11-09

Fan blade pitch setting

#42
20170234324
2017-08-17

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

#43
20170191495
2017-07-06

Variable-pitch fan with low pitch of a turbine engine

#44
20170138370
2017-05-18

Pitch range for a variable pitch fan

#45
20170122335
2017-05-04

Impeller for axial fans

#46
20170101191
2017-04-13

Aft engine for an aircraft

#47
20160319836
2016-11-03

AXIAL FLOW FAN WITH BLADES TWISTED ACCORDING TO A BLADE PITCH RATIO THAT DECREASES (QUASI) LINEARLY WITH THE RADIAL POSITION

#48
20160032933
2016-02-04

Rotating oil union with centerline mounted displacement probe, system for measuring displacement of regulation system of variable pitch axial fan and method thereof

#49
20160025102
2016-01-28

A VARIABLE PITCH FAN AND A METHOD FOR VARYING THE BLADE PITCH IN A FAN

#50
20160023172
2016-01-28

Device and method for adjusting stirring blades

#51
20150369255
2015-12-24

Apparatus for generating a vortex for a vacuum cleaner

#52
20150251752
2015-09-10

Device for folding a blade, a blade, and an aircraft

#53
20150023802
2015-01-22

Ceiling fan with variable blade pitch and variable speed control

#54
20140314574
2014-10-23

Variable pitch fans

#55
20140308114
2014-10-16

Dust-proof fan

#56
20140241881
2014-08-28

Combined ceiling fan and light fitting

#57
20140234101
2014-08-21

Axial blower, a blower rotor

#58
20130315742
2013-11-28

VENTILATOR WITH REVERSIBLE SYSTEM FOR COOLING AND CLEANING RADIATORS

#59
20130108442
2013-05-02

VARIABLE-GEOMETRY FAN AND METHOD FOR CONTROL THEREOF

#60
20130094966
2013-04-18

Axial displacement and rotational speed monitoring

#61
20130011261
2013-01-10

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

#62
20120321475
2012-12-20

System for adjusting characteristics of a fan

#63
20120045331
2012-02-23

Combined ceiling fan and light fitting

#64
20120027593
2012-02-02

Blade Arm

#65
20110280711
2011-11-17

Fan device having simultaneously foldable blades

#66
20110038730
2011-02-17

Device for changing a pitch of a blade of an impeller/propeller and a fan comprising the device

#67
20100278646
2010-11-04

Fan, especially a ceiling fan with a balanced single blade

#68
20100278637
2010-11-04

Ceiling fan with variable blade pitch and variable speed control

#69
20090180881
2009-07-16

FAN BLADE MOUNTING SYSTEM

#70
20090175728
2009-07-09

Blade arm

#71
20090028709
2009-01-29

Adjustable fan and method

#72
20090016883
2009-01-15

Method and device for fans

#73
20080286105
2008-11-20

FAN WITH ADJUSTABLE FAN BLADE PITCH

#74
20080286103
2008-11-20

Fan with power deployed fan blade

#75
20080286101
2008-11-20

FAN WITH POWER ADJUSTABLE HOUSING

#76
20080031726
2008-02-07

Axial fan

#77
20070258821
2007-11-08

Self balancing fan

#78
20070196212
2007-08-23

Fan,especially a ceiling fan with a balanced single blande

#79
20070155304
2007-07-05

Air Conditioner

#80
20060280608
2006-12-14

Industrial fan

#81
20060188375
2006-08-24

Rotor for a turbomachine

#82
20060140769
2006-06-29

Ceiling fan with retractable fan blades

#83
20050220623
2005-10-06

Blade arm

#84
19031669
2025-06-24

Fan device

#85
17361330
2022-06-07

Series fan

#86
14879062
2016-07-12

Ventilation fan with automatic blade closure mechanism

#87
14660939
2020-06-09

Portable, stowable overhead fan

#88
13782242
2017-04-25

Single screw blade arms

#89
13659194
2017-09-05

Methods and apparatus to retain a rotor blade