Patents-Review.com
ClassID:

144269 ⎘

F04D29/327 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for elastic fluids for axial flow pumps for axial flow fans with non identical blades

Recent Application in this class:
#1
20250067275
2025-02-27

IMPELLER

 #2
20250020138
2025-01-16

IMPELLER AND DIAGONAL FAN INCLUDING THE SAME

 #3
20230279868
2023-09-07

Impeller

 #4
20230265863
2023-08-24

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

 #5
20230204044
2023-06-29

Impeller

 #6
20210215160
2021-07-15

Fan for adjusting air flow

 #7
20200392968
2020-12-17

Compressor rotor for supersonic flutter and/or resonant stress mitigation

 #8
20200191157
2020-06-18

Heat dissipation fan

 #9
20200149554
2020-05-14

Fan rotor with flow induced resonance control

 #10
20190145431
2019-05-16

Mistuned fan

 #11
20190107123
2019-04-11

Mistuned fan for gas turbine engine

 #12
20190085704
2019-03-21

Mistuned rotor for gas turbine engine

 #13
20190078589
2019-03-14

Rotor with non-uniform blade tip clearance

 #14
20190063453
2019-02-28

Heat-dissipation fan with cylindrical fan blades

 #15
20190017385
2019-01-17

Rotor with subset of blades having a cutout leading edge

 #16
20180320705
2018-11-08

Axial fan with unbalanced blade spacing

 #17
20180274558
2018-09-27

Fan rotor with flow induced resonance control

 #18
20180274557
2018-09-27

Fan rotor with flow induced resonance control

 #19
20180252230
2018-09-06

Dimensioning of the skeleton angle of the trailing edge of the arms crossing the by-pass flow of a turbofan

 #20
20180249873
2018-09-06

Fan unit and cleaner having the same

 #21
20180238342
2018-08-23

Fan

 #22
20180202452
2018-07-19

Fan impeller and radiator fan module

 #23
20180171803
2018-06-21

Method for manufacturing a turbomachine fan having a reduced noise level at multiple rotational frequencies of said turbomachine

 #24
20180128284
2018-05-10

Coated turbomachinery component

 #25
20180080450
2018-03-22

FLUTTER AVOIDANCE THROUGH CONTROL OF TEXTURE AND MODULUS OF ELASTICITY IN ADJACENT FAN BLADES

 #26
20180038382
2018-02-08

Mistuned laminate airfoil

 #27
20180017019
2018-01-18

TURBOFAN ENGINE WTH A SPLITTERED ROTOR FAN

 #28
20170284419
2017-10-05

Method and apparatus for balancing a rotor

 #29
20170241432
2017-08-24

Compressor rotor for supersonic flutter and/or resonant stress mitigation

 #30
20170198700
2017-07-13

System and method of a fan

 #31
20170175761
2017-06-22

Gas turbine engine with short inlet and mistuned fan blades

 #32
20170045134
2017-02-16

Continuously variable transmission cooling fan

 #33
20160356279
2016-12-08

Multi-use fan

 #34
20160327060
2016-11-10

Cooling fan structure

 #35
20160265556
2016-09-15

Fan comprising an impeller with blades

 #36
20140086730
2014-03-27

Fan and pressure-increasing blade assembly thereof

 #37
20140050590
2014-02-20

Intentionally frequency mistuned turbine blades

 #38
20140030104
2014-01-30

Fan device and vane thereof

 #39
20130202444
2013-08-08

Blade cascade and turbomachine

 #40
20110064562
2011-03-17

Turbomolecular pump

 #41
20110052398
2011-03-03

Fan assembly

 #42
20080247868
2008-10-09

FAN AND IMPELLER THEREOF

 #43
20080180938
2008-07-31

COOLING FAN CAPABLE OF SHOWING LUMINOUS FIGURES

 #44
20080159867
2008-07-03

Impeller assembly

 #45
20070154314
2007-07-05

Reduction of tonal noise in cooling fans using splitter blades

 #46
20050019165
2005-01-27

Axial-flow fan and projector provided with the same

 #47
15198697
2019-09-03

Compact fan for a recreational vehicle