ClassID:

144076

F04D19/00 - CPC Classification

Classification description:

Axial-flow pumps

Sub-classes:
Recent Application in this class:
#1
20260153095
2026-06-04

FLUID PUMP HAVING AT LEAST ONE IMPELLER BLADE AND A SUPPORT DEVICE

#2
20260110311
2026-04-23

TWO STREAM DIFFUSER INTEGRATED AS A SINGLE UNIT FOR USE IN A TURBOFAN JET ENGINE

#3
20260102603
2026-04-16

PUMP INCLUDING A COMPRESSIBLE ROTOR HAVING OFFSET ROTOR BLADES

#4
20260022897
2026-01-22

RAM AIR FAN INCLUDING ADDITIVELY MANUFACTURED HEAT EXCHANGER INSERT

#5
20250382061
2025-12-18

POWERED TURBO-EXPANDER COMBINING CENTRIFUGAL COMPRESSOR AND AN AXIAL FLOW TURBINE

#6
20250341217
2025-11-06

RAM AIR FAN INCLUDING ADDITIVELY MANUFACTURED HEAT EXCHANGER INSERT

#7
20250314438
2025-10-09

INTEGRATED FAN DRIVE SYSTEM FOR COOLING TOWER

#8
20250216163
2025-07-03

INTEGRATED FAN DRIVE SYSTEM FOR COOLING TOWER

#9
20250012290
2025-01-09

FLUID PUMP HAVING AT LEAST ONE IMPELLER BLADE AND A SUPPORT DEVICE

#10
20240200468
2024-06-20

Turbine engine assembly comprising a casing and an aerodynamic treatment member at the blade tips, and corresponding turbine engine

#11
20230374907
2023-11-23

Turbine

#12
20230235754
2023-07-27

Head shaking device and fan

#13
20230235745
2023-07-27

Fluid pump having at least one impeller blade and a support device

#14
20230037224
2023-02-02

Turbine circumferential dovetail leakage reduction

#15
20220349416
2022-11-03

Cabin air compressor shaft and tie rod support

#16
20220288381
2022-09-15

PUMP INCLUDING A COMPRESSIBLE ROTOR HAVING OFFSET ROTOR BLADES

#17
20220154727
2022-05-19

VACUUM PUMP AND SEALING MEMBER USED IN VACUUM PUMP

#18
20220025893
2022-01-27

Inflation device

#19
20210348860
2021-11-11

Integrated fan drive system for cooling tower

#20
20210317840
2021-10-14

Axial compressor

#21
20210301673
2021-09-30

Turbine circumferential dovetail leakage reduction

#22
20210231128
2021-07-29

Fan rotor for ram air fan

#23
20210110946
2021-04-15

Integrated system for converting nuclear energy into electrical, mechanical, and thermal energy

#24
20210079905
2021-03-18

Method of reducing air compressor noise

#25
20200400151
2020-12-24

Activity pool axial flow pump

#26
20200200494
2020-06-25

Integrated fan drive system for cooling tower

#27
20200101946
2020-04-02

Vacuum cleaner assembly

#28
20200095998
2020-03-26

Vacuum pump, main sensor, and thread groove stator

#29
20200005955
2020-01-02

Integrated system for converting nuclear energy into rotational and thermal energy

#30
20200005954
2020-01-02

Integrated system for converting nuclear energy into electrical, rotational and thermal energy

#31
20200005953
2020-01-02

Integrated system for converting nuclear energy into electrical, rotational, and thermal energy

#32
20190309766
2019-10-10

Axial flow fan

#33
20190300197
2019-10-03

Structurally improved ram fan inlet shroud

#34
20190285119
2019-09-19

Bearing housing for ram air fan

#35
20190285087
2019-09-19

Fan housing for ram air fan

#36
20190285083
2019-09-19

Fan rotor for ram air fan

#37
20190211836
2019-07-11

Fluid pump having at least one impeller blade and a support device

#38
20190148027
2019-05-16

Integrated system for converting nuclear energy into electrical, rotational, and thermal energy

#39
20190078464
2019-03-14

Gas turbine engine cooling air manifolds with spoolies

#40
20190063453
2019-02-28

Heat-dissipation fan with cylindrical fan blades

#41
20190049161
2019-02-14

Axial flow compressor for HVAC chiller systems

#42
20190048880
2019-02-14

Compressor rotor blade, compressor, and method for profiling the compressor rotor blade

#43
20190027998
2019-01-24

MOTOR, BLOWING DEVICE, AND CLEANER

#44
20190017759
2019-01-17

Integrated fan drive system for cooling tower

#45
20180328634
2018-11-15

Turbo compressor having an inner passage for cooling the motor

#46
20180291924
2018-10-11

Axial flow fan and electronic device

#47
20180156231
2018-06-07

Fan structure with non-circular circumference

#48
20180112674
2018-04-26

Compressor rotor of a fluid flow machine

#49
20180073512
2018-03-15

Assembly having two compressors, method for retrofitting

#50
20180073495
2018-03-15

Compressor housing having sound control chambers

#51
20170370381
2017-12-28

Inlet tube design

#52
20170370374
2017-12-28

Compressor rotor airfoil

#53
20170365866
2017-12-21

Traction drive fuel cell pump

#54
20170284398
2017-10-05

Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine

#55
20170260988
2017-09-14

System and method of controlling compressor

#56
20170254218
2017-09-07

System and method for cleaning gas turbine engine components

#57
20170241435
2017-08-24

SYSTEMS AND METHODS FOR STIFFENING CASES ON GAS-TURBINE ENGINES

#58
20170198701
2017-07-13

Integrated rotor for an electrical machine and compressor

#59
20170198700
2017-07-13

System and method of a fan

#60
20170175756
2017-06-22

Guide vane for a turbomachine, guide vane cascade, and method for manufacturing a guide vane or a guide vane cascade

#61
20170146025
2017-05-25

Method for operating a compressor of a turbomachine comprising providing a plurality of stages in a front compressor area, a rear compressor area, and allowing a swirl in the rear compressor area

#62
20170146017
2017-05-25

Method, compressor and turbomachine

#63
20170138159
2017-05-18

Electric submersible pumping system with permanent magnet motor

#64
20170114796
2017-04-27

COMPRESSOR INCORPORATING SPLITTERS

#65
20170058696
2017-03-02

Gas turbine engine cooling air manifolds with spoolies

#66
20170042403
2017-02-16

Macerator assembly for appliances

#67
20170002831
2017-01-05

System for discharging compressed air from a compressor

#68
20160341281
2016-11-24

SUBSEA GEAR TRAIN SYSTEM

#69
20160341215
2016-11-24

Compressor tip injector

#70
20160334176
2016-11-17

Integrated fan drive system for cooling tower

#71
20160327051
2016-11-10

Method of determination and gas turbine

#72
20160326892
2016-11-10

CERAMIC COVERED TURBINE COMPONENTS

#73
20160319840
2016-11-03

Compressor system and airfoil assembly

#74
20160245305
2016-08-25

Production methods of gas turbine

#75
20160238028
2016-08-18

Axially split inner ring for a fluid flow machine, guide vane ring, and aircraft engine

#76
20160208819
2016-07-21

Ram fan device and motor cooling systems and methods

#77
20160201675
2016-07-14

Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine

#78
20160186780
2016-06-30

Drain holes in ram air fan housing

#79
20160160877
2016-06-09

Vacuum pump

#80
20160153472
2016-06-02

Evacuator system having multi-port evacuator

#81
20160131159
2016-05-12

Gas turbine comprising a compressor casing with an inlet opening for tempering the compressor casing and use of the gas turbine

#82
20160123339
2016-05-05

Radial fastening of tubular synchronizing rings

#83
20160115998
2016-04-28

Electric submersible pump assembly bearing

#84
20160097401
2016-04-07

Air cycle machine strut plate assembly

#85
20160097284
2016-04-07

Fan rotor with cooling holes

#86
20160061217
2016-03-03

Compressor airfoil

#87
20160061216
2016-03-03

Compressor rotor airfoil

#88
20160061215
2016-03-03

Compressor rotor with anti-vortex fins

#89
20160054015
2016-02-25

70 CFM bath ventilation fans with flush mount lights and motor beneath blower wheel

#90
20160053768
2016-02-25

Fluid pump having at least one impeller blade and a support device

#91
20150369255
2015-12-24

Apparatus for generating a vortex for a vacuum cleaner

#92
20150354597
2015-12-10

Method for attaching/removing vane ring and auxiliary support device for vane segment used in said method

#93
20150354594
2015-12-10

Compressor assembly method, and bundle guiding device

#94
20150330380
2015-11-19

Tank dampening device

#95
20150308460
2015-10-29

Inlet tube design

#96
20150285259
2015-10-08

Filament-Wound Tip-Shrouded Axial Compressor or Fan Rotor System

#97
20150275921
2015-10-01

Impeller shaft

#98
20150275916
2015-10-01

Compressor variable vane assembly

#99
20150275668
2015-10-01

Rotary machine for compression and decompression

#100
20150247506
2015-09-03

Turbo machine system

#101
20150204342
2015-07-23

Impeller and mold for manufacturing impeller

#102
20150192137
2015-07-09

Self-contained cold plate for cooling electronic components of an electric fan

#103
20150159665
2015-06-11

Turbocharger compressor recirculation system

#104
20150152857
2015-06-04

Compressor housing having sound control chambers

#105
20150132115
2015-05-14

Gas turbine compressor bleed channel

#106
20150132103
2015-05-14

Exhaust-gas turbocharger

#107
20150104302
2015-04-16

Ram air fan housing

#108
20150098834
2015-04-09

All-supersonic ducted fan for propelling aircraft at high subsonic speeds

#109
20150086340
2015-03-26

Exhaust-gas turbocharger

#110
20150086325
2015-03-26

Pump with integrated heating element

#111
20150078890
2015-03-19

Compressor casing comprising cavities with optimised setting

#112
20150078889
2015-03-19

Compressor casing comprising cavities having an optimised upstream shape

#113
20150071770
2015-03-12

Angular stator sector for a turbomachine compressor comprising a brush seal

#114
20150071768
2015-03-12

Variable pitch rectifier for a turbomachine compressor comprising two inner rings

#115
20150042044
2015-02-12

Sealing assembly

#116
20150037147
2015-02-05

Compressor

#117
20150016962
2015-01-15

Tank dampening device

#118
20150016953
2015-01-15

Tank dampening device

#119
20150010398
2015-01-08

TURBOCOMPRESSOR

#120
20140369827
2014-12-18

ROTOR FOR A TURBOMACHINE

#121
20140321995
2014-10-30

Ram air fan inlet shroud

#122
20140283521
2014-09-25

Inner housing assembly including retention slots

#123
20140234072
2014-08-21

Multiple spool turbocharger

#124
20140219790
2014-08-07

Axial turbine with sector-divided turbine housing

#125
20140193247
2014-07-10

Impeller pump

#126
20140169944
2014-06-19

Debris filter for motor cooling inlet on ram air fan

#127
20140147260
2014-05-29

HEAT DISSIPATING FAN

#128
20140130513
2014-05-15

SYSTEM AND METHOD FOR IMPROVING GAS TURBINE PERFORMANCE AT PART-LOAD OPERATION

#129
20140119908
2014-05-01

Fan housing for ram air fan

#130
20140064958
2014-03-06

FAN ASSEMBLY

#131
20140056718
2014-02-27

Inlet shroud assembly

#132
20140048962
2014-02-20

Integrated fan drive system for cooling tower

#133
20140037441
2014-02-06

RAM AIR FAN DIFFUSER

#134
20140020391
2014-01-23

Axial turbine and power plant

#135
20130309064
2013-11-21

Fan with integrated vibration absorbing structure

#136
20130280053
2013-10-24

Axial compressor

#137
20130274022
2013-10-17

Air bearing shaft for ram air fan

#138
20130243619
2013-09-19

Thrust bearing shaft for fan

#139
20130243572
2013-09-19

Exhaust-gas turbocharger

#140
20130236313
2013-09-12

Magnus rotor

#141
20130230383
2013-09-05

Aircraft gas turbine with adjustable fan

#142
20130202422
2013-08-08

Compressor of use in gas turbine engine

#143
20130195619
2013-08-01

Exhaust turbocharger of an internal combustion engine

#144
20130189094
2013-07-25

Multistage compressor with improved map width performance

#145
20130189091
2013-07-25

Motor-driven compressor and method for manufacturing the same

#146
20130180220
2013-07-18

Shrouded particle separator

#147
20130156559
2013-06-20

Compressor and a turbine engine with optimized efficiency

#148
20130142636
2013-06-06

Air cooling system for a turbocharger driven generator

#149
20130142621
2013-06-06

Multistage compressor with improved map width performance

#150
20130129494
2013-05-23

Axial turbomachine compressor outer casing

#151
20130129476
2013-05-23

Rotary machine for compression and decompression

#152
20130121815
2013-05-16

Hermetically sealed compressor

#153
20130101436
2013-04-25

Fan rotor with cooling holes

#154
20130101433
2013-04-25

Tie rod

#155
20130101412
2013-04-25

Vacuum pump having rotary compressing elements

#156
20130101402
2013-04-25

FAN HOUSING WITH COOLING SLOTS

#157
20130101400
2013-04-25

Ram air fan inner housing

#158
20130101399
2013-04-25

Ram air fan bearing housing

#159
20130098045
2013-04-25

Ram air fan outer housing

#160
20130097997
2013-04-25

Ram air fan diffuser with perforated side walls

#161
20130097996
2013-04-25

Ram air fan inlet housing

#162
20130071241
2013-03-21

Compressor of an exhaust-gas turbocharger

#163
20130065503
2013-03-14

Air Ducting Shroud For Cooling An Air Compressor Pump And Motor

#164
20130064689
2013-03-14

Method of reducing air compressor noise

#165
20130064643
2013-03-14

Tank dampening device

#166
20130064642
2013-03-14

Tank dampening device

#167
20130064641
2013-03-14

Air ducting shroud for cooling an air compressor pump and motor

#168
20130062141
2013-03-14

Compressor intake muffler and filter

#169
20130062140
2013-03-14

Compressor housing having sound control chambers

#170
20130025828
2013-01-31

Motor with cooled rotor

#171
20130022443
2013-01-24

Fan motor cooling with primary and secondary air cooling paths

#172
20130015593
2013-01-17

Integrated fan drive system for cooling tower

#173
20120269665
2012-10-25

Blower fan

#174
20120224970
2012-09-06

Fluid pump having at least one impeller blade and a support device

#175
20120051385
2012-03-01

Gas laser oscillator apparatus and gas laser machining apparatus

#176
20120014784
2012-01-19

Ram air fan motor cooling

#177
20110064575
2011-03-17

Ceiling sweep fan

#178
20100239410
2010-09-23

Multistage compressor with improved map width performance

#179
20100045228
2010-02-25

Integrated fan drive system for cooling tower

#180
20090116980
2009-05-07

Air and water conditioner by two separated air flows

#181
20090031998
2009-02-05

Air super charger

#182
20080210205
2008-09-04

Hydraulic Control Type Supercharger for Automotive Engine

#183
20070248454
2007-10-25

Device for changing the pressure of a fluid

#184
20070110596
2007-05-17

Methods and apparatus for transporting natural gas through a pipeline

#185
20060061221
2006-03-23

Integral motor and air bearing cooling path

#186
20060059941
2006-03-23

RAM fan system for an aircraft environmental control system

#187
20050142010
2005-06-30

Fore-line preconditioning for vacuum pumps

#188
18742456
2025-12-16

Powered turbo-expander combining centrifugal compressor and an axial flow turbine