Patents-Review.com
ClassID:

144301 ⎘

F04D29/44 - CPC Classification

Classification description:

Details, component parts, or accessories; Casings; Connections of working fluid for radial or helico-centrifugal pumps Fluid-guiding means, e.g. diffusers

Sub-classes:
Recent Application in this class:
#1
20250003412
2025-01-02

PUMP APPARATUS

 #2
20240229824
2024-07-11

Centrifugal blower

 #3
20240229336
2024-07-11

IMPELLER AND PUMP FOR COMBINATION WASHER AND DRYER LAUNDRY APPLIANCE

 #4
20240141918
2024-05-02

Manufacture of a Stage Casing in a Hybrid Process

 #5
20240102487
2024-03-28

Pump assembly

 #6
20240060508
2024-02-22

Blower having first and second towers and a motor housing supporter arrangement

 #7
20240060507
2024-02-22

Sculpted low solidity vaned diffuser

 #8
20240018969
2024-01-18

Impeller wake vortex dissipation device under stall condition of mixed flow pump

 #9
20230258197
2023-08-17

IMPELLER OF CENTRIFUGAL COMPRESSOR AND CENTRIFUGAL COMPRESSOR

 #10
20230193819
2023-06-22

Diffuser pipe with exit flare

 #11
20230167830
2023-06-01

FAN ASSEMBLY AND VACUUM CLEANER HAVING SAME

 #12
20230165417
2023-06-01

FAN ASSEMBLY AND VACUUM CLEANER HAVING SAME

 #13
20230165416
2023-06-01

FAN ASSEMBLY AND VACUUM CLEANER HAVING SAME

 #14
20230081328
2023-03-16

Blower having first and second towers and a handle arrangement

 #15
20220372931
2022-11-24

Centrifugal compressor assembly for a gas turbine engine with deswirler having sealing features

 #16
20220235794
2022-07-28

Scroll structure of centrifugal compressor and centrifugal compressor

 #17
20220196254
2022-06-23

Centrifugal fan, air conditioning apparatus, and refrigeration cycle apparatus

 #18
20220195918
2022-06-23

Compressor diffuser and diffuser pipes therefor

 #19
20220186736
2022-06-16

INTEGRATED PUMP ASSEMBLY WITH ONE MOVING PART

 #20
20220170482
2022-06-02

Blower

 #21
20220145893
2022-05-12

Impeller, multi-blade air-sending device, and air-conditioning apparatus

 #22
20220120288
2022-04-21

Inverted Annular Side Gap Arrangement For A Centrifugal Pump

 #23
20220106966
2022-04-07

Diagonal fan with outlet guide vane device

 #24
20220080487
2022-03-17

Manufacturing method of casing

 #25
20220056924
2022-02-24

Centrifugal blower assembly and method for assembling the same

 #26
20220018310
2022-01-20

Centrifugal compressor assembly for a gas turbine engine with deswirler having sealing features

 #27
20210388780
2021-12-16

Throttle valve for a centrifugal compressor

 #28
20210246907
2021-08-12

Apparatus for transferring pressurized fluid in a back-to-back multi-stage pump

 #29
20210239128
2021-08-05

Single suction centrifugal blower

 #30
20210215359
2021-07-15

Blower

 #31
20210164670
2021-06-03

Air-sending device and refrigeration cycle apparatus

 #32
20210156398
2021-05-27

Bridged stage piece

 #33
20210131702
2021-05-06

Water heating device

 #34
20210115943
2021-04-22

Centrifugal compressor

 #35
20210071678
2021-03-11

Centrifugal compressor

 #36
20210003144
2021-01-07

Inverted annular side gap arrangement for a centrifugal pump

 #37
20200400157
2020-12-24

Electric blower, electric vacuum cleaner, and hand dryer

 #38
20200370567
2020-11-26

Diffuser pipe with exit scallops

 #39
20200325902
2020-10-15

Compressor housing for turbocharger and method for manufacturing the same

 #40
20200263703
2020-08-20

Anti-spin pump diffuser

 #41
20200248712
2020-08-06

Diffuser assemblies for compression systems

 #42
20200163514
2020-05-28

Vacuum suctioning unit

 #43
20200141422
2020-05-07

MEDIA CONCENTRATION DEVICE AND METHOD

 #44
20200056624
2020-02-20

Centrifugal compressor

 #45
20200032811
2020-01-30

Centrifugal compressor and turbo refrigerator

 #46
20200011345
2020-01-09

Return stage of a multi-staged compressor or expander with twisted guide vanes

 #47
20200003226
2020-01-02

Centrifugal rotary machine

 #48
20190368495
2019-12-05

CENTRIFUGAL PUMP

 #49
20190353364
2019-11-21

Fan system and arrangement of one or more such fan systems in a flow duct

 #50
20190293085
2019-09-26

Turbo compressor having separate cooling air channel

 #51
20190291531
2019-09-26

Air conditioner

 #52
20190285072
2019-09-19

Centrifugal compressor with intermediate suction channel

 #53
20190242612
2019-08-08

Indoor unit and air-conditioning apparatus

 #54
20190234416
2019-08-01

Labyrinth seal

 #55
20190226496
2019-07-25

TURBOCHARGER

 #56
20190219065
2019-07-18

Casing and turbo machine

 #57
20190211837
2019-07-11

Impeller and rotating machine

 #58
20190203730
2019-07-04

THRUST BEARING PLACEMENT FOR COMPRESSOR

 #59
20190186499
2019-06-20

Centrifugal blower assembly and method for assembling the same

 #60
20190093665
2019-03-28

Centrifugal blower

 #61
20190055956
2019-02-21

Centrifugal turbo machinery

 #62
20190055947
2019-02-21

Centrifugal rotary machine

 #63
20190040863
2019-02-07

Combined pump and motor with a stator forming a cavity which houses an impeller between upper and lower diffusers with the impeller having a circumferential magnet array extending upward and downward into diffuser annular clearances

 #64
20190040862
2019-02-07

Permanent magnet pump

 #65
20190017515
2019-01-17

BLOWER

 #66
20190010958
2019-01-10

Centrifugal compressor

 #67
20180335048
2018-11-22

Blower arrangement with flow dividing nozzle

 #68
20180327105
2018-11-15

Fuel system for an aircraft

 #69
20180306202
2018-10-25

Centrifugal compressor gas-supplementing structure and compressor

 #70
20180291928
2018-10-11

Methods and devices for reducing circumferential pressure imbalances in an impeller side cavity of rotary machines

 #71
20180291922
2018-10-11

Scroll casing and centrifugal compressor

 #72
20180283399
2018-10-04

CENTRIFUGL PUMP

 #73
20180235417
2018-08-23

Air blowing device and vacuum cleaner

 #74
20180223871
2018-08-09

Compression device and supercharger

 #75
20180209442
2018-07-26

BLOWER DEVICE AND CLEANER

 #76
20180180050
2018-06-28

FAN DEVICE AND VACUUM CLEANER INCLUDING THE SAME

 #77
20180172020
2018-06-21

WELLBORE TOOLS INCLUDING SMART MATERIALS

 #78
20180163727
2018-06-14

IMPELLER PUMP

 #79
20180156240
2018-06-07

Flow-conducting grille for arranging on a fan

 #80
20180149170
2018-05-31

Scroll casing and centrifugal compressor

 #81
20180073638
2018-03-15

ROTARY MACHINE

 #82
20180064302
2018-03-08

Vacuum suctioning unit

 #83
20170367550
2017-12-28

Blower apparatus and vacuum cleaner

 #84
20170328376
2017-11-16

COMPRESSOR INCLUDING A SEALING CHANNEL

 #85
20170328373
2017-11-16

Compressor having a sealing channel

 #86
20170306979
2017-10-26

Centrifugal compressors with integrated intercooling

 #87
20170254344
2017-09-07

Centrifugal compressor

 #88
20170211582
2017-07-27

Thrust washer and diffuser for use in a downhole electrical submersible pump

 #89
20170191502
2017-07-06

Compressor cover, centrifugal compressor, and turbocharger, and compressor cover manufacturing method

 #90
20170184109
2017-06-29

Turbopump with axially curved vane

 #91
20170146023
2017-05-25

Media concentration device and method

 #92
20170138367
2017-05-18

Pump with front deflector vanes, wear plate, and impeller with pump-out vanes

 #93
20170074286
2017-03-16

Blower, electric machine and associated method

 #94
20170045057
2017-02-16

Pump intake device

 #95
20160327056
2016-11-10

Intermediate intake-type diaphragm and centrifugal rotating machine

 #96
20160273553
2016-09-22

Centrifugal compressor and water chilling unit having the same

 #97
20160258046
2016-09-08

Device and method for partially masking a component zone of a component

 #98
20160201683
2016-07-14

Multistage radial compressor baffle

 #99
20160084502
2016-03-24

Turbine engine diffuser assembly with airflow mixer

 #100
20150204343
2015-07-23

System for drawing solid feed into and/or out of a solid feed pump

 #101
20150167675
2015-06-18

Radial compressor and compressor arrangement with such a radial compressor

 #102
20150147167
2015-05-28

VENTILATION UNIT

 #103
20150083427
2015-03-26

HIGH PRESSURE MULTISTAGE CENTRIFUGAL PUMP FOR FRACTURING HYDROCARBON RESERVES

 #104
20150044026
2015-02-12

Inducer for centrifugal pump

 #105
20140369824
2014-12-18

Circulation pump

 #106
20140341728
2014-11-20

Angular diffuser sector for a turbine engine compressor, with a vibration damper wedge

 #107
20140294575
2014-10-02

Centrifugal pump stage with increased compressive load capacity

 #108
20140260289
2014-09-18

Multi-passage diffuser with reactivated boundary layer

 #109
20140182317
2014-07-03

Economized Centrifugal Compressor

 #110
20140140870
2014-05-22

Inlet swirl control for turbochargers

 #111
20140140837
2014-05-22

Flow conditioning feature for suction diffuser

 #112
20140127040
2014-05-08

SINGLE-PHASE PERMANENT MAGNET ROTOR ELECTRIC WATER PUMP ONLY ROTATING IN RIGHT DIRECTION AND ITS REALIZATION METHOD

 #113
20140127023
2014-05-08

Centrifugal compressor impeller

 #114
20140079543
2014-03-20

Regenerative-type fluid machinery having a guide vane on a channel wall

 #115
20140064953
2014-03-06

Centrifugal compressor diffuser vanelet

 #116
20130343885
2013-12-26

Scroll structure of centrifugal compressor

 #117
20130315741
2013-11-28

Diffuser having detachable vanes with positive lock

 #118
20130294905
2013-11-07

Fan

 #119
20130276285
2013-10-24

Diffuser case removal apparatus and method

 #120
20130259671
2013-10-03

System for drawing solid feed into and/or out of a solid feed pump

 #121
20130224007
2013-08-29

Mid-section of a can-annular gas turbine engine to introduce a radial velocity component into an air flow discharged from a compressor of the mid-section

 #122
20130195625
2013-08-01

Integral scroll and gearbox for a compressor with speed change option

 #123
20120222764
2012-09-06

Inlet swirl control for turbochargers

 #124
20120205112
2012-08-16

High pressure multistage centrifugal pump for fracturing hydrocarbon reserves

 #125
20120018543
2012-01-26

Diffuser/rectifier assembly for a turbine engine with corrugated downstream walls

 #126
20120014801
2012-01-19

Diffuser having detachable vanes with positive lock

 #127
20110217195
2011-09-08

Motor-fan assembly having a tapered stationary fan with a concave underside

 #128
20110194931
2011-08-11

Centrifugal compressor diffuser vanelet

 #129
20110189005
2011-08-04

Low Profile, High Efficiency Blower Assembly

 #130
20100329856
2010-12-30

Supersonic compressor comprising radial flow path

 #131
20100266395
2010-10-21

Inlet swirl control for turbochargers

 #132
20100226764
2010-09-09

Fan

 #133
20100209271
2010-08-19

Fan motor apparatus having diffuser unit for vacuum cleaner

 #134
20100101065
2010-04-29

Diffuser case removal apparatus and method

 #135
20100098534
2010-04-22

Integral scroll and gearbox for a compressor with speed change option

 #136
20090285678
2009-11-19

System, method and apparatus for open impeller and diffuser assembly for multi-stage submersible pump

 #137
20090259308
2009-10-15

Artificial heart pump

 #138
20090155064
2009-06-18

System, method and apparatus for two-phase homogenizing stage for centrifugal pump assembly

 #139
20080207111
2008-08-28

Ventilation System With Sound Barrier

 #140
20070286716
2007-12-13

Variable nozzle device

 #141
20070065278
2007-03-22

Radial out-flowing rotary ram-in compressor

 #142
18541606
2024-11-12

Integrated centrifugal compressor diffuser and high pressure turbine vane assembly

 #143
15812103
2020-06-16

Multiple channel diffuser

 #144
15789175
2018-12-25

Centrifugal pump sealing surfaces