ClassID:

144261

F04D29/305 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps; Vanes Flexible vanes

Recent Application in this class:
#1
20250283478
2025-09-11

IMPELLER WITH VARIABLE BACKSWEEP ANGLE

#2
20250137380
2025-05-01

SECONDARY FLOW GUIDE VANE OF A TURBOMACHINE AND TURBOMACHINE PROVIDED THEREWITH

#3
20240271541
2024-08-15

Unducted rectifier for a turbomachine, turbomachine module and aircraft turbomachine

#4
20240044339
2024-02-08

Flexible guide vane structure of mixed flow pump with adjustable flow area, mixed flow pump and adjustment method

#5
20220290684
2022-09-15

Fan

#6
20200355199
2020-11-12

Fan module

#7
20200191157
2020-06-18

Heat dissipation fan

#8
20200182253
2020-06-11

Fan

#9
20200109717
2020-04-09

Pump systems with variable diameter impeller devices

#10
20190226490
2019-07-25

Pump systems with variable diameter impeller devices

#11
20190162201
2019-05-30

Impeller, fan and method for manufacturing fan blade

#12
20190093664
2019-03-28

Apparatus for suppressing surge of turbo compressor

#13
20180369470
2018-12-27

Treatment fluid preparation system

#14
20180010612
2018-01-11

Flexible impeller pumps and disposable fluid flow circuits incorporating such pumps

#15
20170335857
2017-11-23

Multidirectional fan systems and methods

#16
20150292521
2015-10-15

Blower and method for decreasing eddy noise

#17
20140356168
2014-12-04

Centrifugal fan impeller with variable shape fan blades and method of assembly

#18
20140003624
2014-01-02

Acoustic element

#19
20130280086
2013-10-24

Fan impeller structure and manufacturing method thereof

#20
20110058946
2011-03-10

FAN AND METHOD FOR OPERATING A FAN

#21
20080073983
2008-03-27

RESILIENT MOTOR MOUNTING SYSTEM AND METHOD OF USE

#22
20070230720
2007-10-04

Acoustic Element

#23
20050008483
2005-01-13

Fan impeller for electrical machines