ClassID:

144281

F04D29/386 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for elastic fluids for axial flow pumps; Blades characterised by form Skewed blades

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

IMPELLER FOR A DUCT

#2
20260139686
2026-05-21

Composite Fan Blade and Fan Device

#3
20260126053
2026-05-07

VANEAXIAL BLOWER SYSTEM INCLUDING ROTOR FAN HAVING CURVED BLADES

#4
20250369451
2025-12-04

NOVEL FAN BLADE DESIGN FOR COOLING FANS

#5
20250250987
2025-08-07

IMPELLER FOR A DUCT

#6
20250019086
2025-01-16

ELECTRIC PROPULSION DEVICE

#7
20240117812
2024-04-11

APPARATUS FOR MOVING AIR

#8
20240026898
2024-01-25

Axial fan

#9
20230417174
2023-12-28

Aircraft engine, gas turbine intake therefore, and method of guiding exhaust gasses

#10
20230358249
2023-11-09

Axial-flow fan and air conditioner

#11
20230349390
2023-11-02

Propeller fan and air conditioner

#12
20230296104
2023-09-21

BLADE FOR ROOM FANS AND RELATED FAN

#13
20230243367
2023-08-03

Fan wheel of a motor vehicle

#14
20230184259
2023-06-15

Fan device

#15
20230160391
2023-05-25

CEILING FAN AND METHOD FOR MANUFACTURING CEILING FAN BLADE

#16
20230122146
2023-04-20

Air-sending device

#17
20230023626
2023-01-26

Fan blade device

#18
20220325721
2022-10-13

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

#19
20220316494
2022-10-06

Manufacturing method of axial air moving device with blades overlapped in axial projection

#20
20220252081
2022-08-11

FAN

#21
20220049715
2022-02-17

Diagonal fan having an optimized diagonal impeller

#22
20210381515
2021-12-09

Serial-type diagonal fan assembly

#23
20210123454
2021-04-29

Blade and axial flow impeller using same

#24
20200217322
2020-07-09

Series-connected fan

#25
20200200186
2020-06-25

Rotary heat exchanger and system thereof

#26
20200166048
2020-05-28

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

#27
20200158129
2020-05-21

Propeller fan

#28
20200049166
2020-02-13

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

#29
20190226747
2019-07-25

Condenser unit with fan

#30
20190136868
2019-05-09

Propeller

#31
20190107118
2019-04-11

Impeller and axial flow fan

#32
20190078580
2019-03-14

Mixed-flow fan

#33
20190072105
2019-03-07

Fan wheel and radiator fan module with the fan wheel

#34
20190040873
2019-02-07

Air-sending device and air-conditioning apparatus using the same

#35
20180372115
2018-12-27

Blade structure and fan and generator having same

#36
20180258947
2018-09-13

AXIAL FAN

#37
20180231021
2018-08-16

Gas turbine engine fan blade

#38
20180231020
2018-08-16

GAS TURBINE ENGINE FAN BLADE WITH AXIAL LEAN

#39
20180231019
2018-08-16

GAS TURBINE ENGINE FAN BLADE WITH AXIAL LEAN

#40
20180100515
2018-04-12

High Efficiency Fan

#41
20180073517
2018-03-15

Full-span forward swept airfoils for gas turbine engines

#42
20180051712
2018-02-22

Aerodynamically and acoustically improved car fan

#43
20170023005
2017-01-26

Gas turbine engine airfoil

#44
20170023004
2017-01-26

Gas turbine engine airfoil

#45
20160319836
2016-11-03

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

#46
20150044058
2015-02-12

Axial flow fan and air-conditioning apparatus having the same

#47
20140245753
2014-09-04

Gas turbine engine rotor blade

#48
20140064959
2014-03-06

Axial flow fan

#49
20130028747
2013-01-31

Fan propeller, in particular for a motor vehicle

#50
20120257957
2012-10-11

Counter-rotating axial flow fan

#51
20120003097
2012-01-05

AXIAL FLOW FAN

#52
20110223024
2011-09-15

Skewed axial fan assembly

#53
20110008170
2011-01-13

Shroud and rotary vane wheel of propeller fan and propeller fan

#54
20100272573
2010-10-28

Resin fan

#55
20080156282
2008-07-03

Axial Ventilator

#56
20080101964
2008-05-01

Electric axial flow fan

#57
20080044292
2008-02-21

Axial impeller with enhance flow

#58
20070280829
2007-12-06

Axial fan assembly

#59
20070280827
2007-12-06

Axial fan assembly

#60
20070258822
2007-11-08

Axial fan

#61
20070031250
2007-02-08

Shroud and rotary vane wheel of propeller fan and propeller fan

#62
20070020103
2007-01-25

High efficiency axial fan

#63
20050260077
2005-11-24

Cooling fan

#64
20050260075
2005-11-24

Blower

#65
18946862
2025-05-20

Bidirectional blowing fireplace fan

#66
18937077
2026-02-10

High-efficiency cooling fan impeller