Patents-Review.com
ClassID:

144057 ⎘

F04D17/025 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal comprising axial flow and radial flow stages

Recent Application in this class:
#1
20260015071
2026-01-15

PROPELLER

 #2
20250223973
2025-07-10

EXTRACTION IMPELLER FOR AXIAL COMPRESSOR

 #3
20250186812
2025-06-12

WEARABLE DEVICE FOR DELIVERING AIR

 #4
20240426317
2024-12-26

Fan with elevated mechanical support for no-bottom-vent systems

 #5
20240360837
2024-10-31

Extraction impeller for axial compressor

 #6
20240336341
2024-10-10

PROPELLER

 #7
20240295225
2024-09-05

FAN BLADE ASSEMBLY AND FAN APPARATUS

 #8
20230413483
2023-12-21

Heat dissipation module

 #9
20230405368
2023-12-21

Wearable device for delivering air

 #10
20230249793
2023-08-10

Propeller

 #11
20230122939
2023-04-20

Gas turbine engine with compressor bleed system for combustor start assist

 #12
20230067553
2023-03-02

Liquid cooling head with a heat dissipating liquid flowing from a cooling plate to an impeller

 #13
20230065557
2023-03-02

Two-phase cold plate

 #14
20220307516
2022-09-29

Turbocharger compressor wheels having a bi-layered coating and methods for manufacturing the same

 #15
20220228593
2022-07-21

Axial and downstream compressor assembly

 #16
20220135195
2022-05-05

Propeller

 #17
20220049717
2022-02-17

Mixed-flow compressor with counter-rotating diffuser

 #18
20220042517
2022-02-10

System, apparatus, and method for providing a flow of air

 #19
20210381471
2021-12-09

Turbocharger

 #20
20210123444
2021-04-29

Mixed-flow compressor configuration for a refrigeration system

 #21
20210102552
2021-04-08

Axi-centrifugal compressor with variable outlet guide vanes

 #22
20210062824
2021-03-04

Impeller shroud with slidable coupling for clearance control in a centrifugal compressor

 #23
20210032993
2021-02-04

Turbocharger turbine wheel

 #24
20200333028
2020-10-22

Blower Apparatus and Method for Packaged Terminal Air Conditioner

 #25
20200215359
2020-07-09

Wearable device for delivering air

 #26
20200058479
2020-02-20

Turbo molecular pump for mass spectrometer

 #27
20200011343
2020-01-09

Wind wheel and blower comprising the same

 #28
20190195230
2019-06-27

CENTRIFUGAL FAN

 #29
20190162188
2019-05-30

Gas turbine engines and compression systems therefor

 #30
20190003483
2019-01-03

Compressor wheel and fluid compression device comprising the same

 #31
20180372113
2018-12-27

Fan system with integrated fan-shroud channel for reduced recirculation flow

 #32
20180355877
2018-12-13

Compressor bleed apparatus for a turbine engine

 #33
20180355791
2018-12-13

AXI-CENTRIFUGAL COMPRESSOR

 #34
20180255662
2018-09-06

Electronic device with heat-dissipating function and liquid-cooling radiator module thereof

 #35
20180249873
2018-09-06

Fan unit and cleaner having the same

 #36
20180209427
2018-07-26

LNG PLANT INCLUDING AN AXIAL COMPRESSOR AND A CENTRIFUGAL COMPRESSOR

 #37
20180186439
2018-07-05

Propeller

 #38
20180112678
2018-04-26

AIR PURIFIER AND WIND TUNNEL THEREOF

 #39
20170362947
2017-12-21

Service routing configuration for a gas turbine engine diffuser system

 #40
20170361133
2017-12-21

Wearable device for delivering air

 #41
20170343015
2017-11-30

Compression system for a turbine engine

 #42
20170342996
2017-11-30

Impeller shroud with slidable coupling for clearance control in a centrifugal compressor

 #43
20170342838
2017-11-30

Mixing ram and bleed air in a dual entry turbine system

 #44
20170284416
2017-10-05

High-transmission-ratio suspension shaft centrifugal supercharger with planetary gear mechanism

 #45
20170276070
2017-09-28

AXI-CENTRIFUGAL COMPRESSOR

 #46
20170267323
2017-09-21

Propeller

 #47
20170248156
2017-08-31

Axi-centrifugal compressor with variable outlet guide vanes

 #48
20170234332
2017-08-17

Auxiliary shaft seal flushing system of a centrifugal pump and an axial flow pump

 #49
20170198709
2017-07-13

Centrifugal compressor assembly for use in a turbine engine and method of assembly

 #50
20170102005
2017-04-13

Diffusor for a radial compressor, radial compressor and turbo engine with radial compressor

 #51
20170022993
2017-01-26

Turbocharger systems with direct turbine interfaces

 #52
20170002833
2017-01-05

Modular fan blade

 #53
20160327057
2016-11-10

Heat dissipation fan

 #54
20160312796
2016-10-27

Reverse fin cooling fan

 #55
20160290342
2016-10-06

Hybrid compressor

 #56
20160252095
2016-09-01

AXIAL COMPRESSOR WITH A MAGNETIC STEPPER OR SERVO MOTOR

 #57
20160201682
2016-07-14

Split axial-centrifugal compressor

 #58
20160131144
2016-05-12

Centrifugal compressor apparatus

 #59
20160047358
2016-02-18

Turbine nozzle with relief cut

 #60
20150337860
2015-11-26

Composite cooling fan

 #61
20150198163
2015-07-16

Turbocharger With Twin Parallel Compressor Impellers And Having Center Housing Features For Conditioning Flow In The Rear Impeller

 #62
20150167675
2015-06-18

Radial compressor and compressor arrangement with such a radial compressor

 #63
20150139788
2015-05-21

Compressor arrangement

 #64
20150086341
2015-03-26

Exhaust-gas turbocharger

 #65
20150064011
2015-03-05

Fan and impeller thereof

 #66
20140234072
2014-08-21

Multiple spool turbocharger

 #67
20140205433
2014-07-24

Spiral pumping stage and vacuum pump incorporating such pumping stage

 #68
20140133967
2014-05-15

Split intermediate case

 #69
20140133082
2014-05-15

Turbofan and graphics card with the turbofan

 #70
20140053793
2014-02-27

Rotating screen for centrifugal fan

 #71
20130315724
2013-11-28

Centrifugal fan with axial-flow wind

 #72
20130251521
2013-09-26

Diffusion Type Fan Device

 #73
20130189094
2013-07-25

Multistage compressor with improved map width performance

 #74
20130189082
2013-07-25

Diffusion Type Combination Fan

 #75
20130164123
2013-06-27

Air conveyor

 #76
20130115067
2013-05-09

Impeller

 #77
20130064660
2013-03-14

Centrifugal fan assembly

 #78
20130028724
2013-01-31

AXIAL-RADIAL TURBOMACHINE

 #79
20120298055
2012-11-29

Apparatus and method for pumping air for exhaust oxidation in an internal combustion engine

 #80
20120294739
2012-11-22

IMPELLER, ELECTRIC AIR BLOWER USING SAME, AND ELECTRIC CLEANER USING ELECTRIC AIR BLOWER

 #81
20120219437
2012-08-30

Electric blower and electric cleaner using same

 #82
20120189431
2012-07-26

Compressor arrangement

 #83
20110073289
2011-03-31

LOW PROFILE BLOWER RADIAL HEATSINK

 #84
20100239410
2010-09-23

Multistage compressor with improved map width performance

 #85
20100232953
2010-09-16

Hybrid compressor

 #86
20100172750
2010-07-08

AIR CONDITIONING APPARATUS EQUIPPED WITH A COMPRESSOR AND A VORTEX

 #87
20100155013
2010-06-24

Use of fan shroud to ventilate engine compartment

 #88
20100111688
2010-05-06

Axial-centrifugal compressor with ported shroud

 #89
20080310952
2008-12-18

Sectional fan frame structure

 #90
20080232961
2008-09-25

FAN AND FAN FRAME THEREOF

 #91
20080219843
2008-09-11

Centrifugal impeller with forward and reverse flow paths

 #92
20070204615
2007-09-06

Two-shaft turbocharger

 #93
20060265833
2006-11-30

Portable suction device for cleaning jobs

 #94
20060263214
2006-11-23

Centrifugal impeller with forward and reverse flow paths

 #95
20050191174
2005-09-01

Centrifugal fan

 #96
20050186072
2005-08-25

Frame structure for fan unit

 #97
20050095125
2005-05-05

Centrifugal fan with stator blades

 #98
17552794
2023-04-25

Airflow-doubling vane structure

 #99
17349130
2022-12-06

Control system for rotating thrust-producing apparatus