Patents-Review.com
ClassID:

144250 ⎘

F04D29/28 - 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

Sub-classes:
Recent Application in this class:
#1
20260077632
2026-03-19

HIGH VOLTAGE PUMP AND HEATER ASSEMBLY

 #2
20250332663
2025-10-30

METHOD FOR MANUFACTURING A SHROUDED IMPELLER

 #3
20240392799
2024-11-28

IMPELLER AND CLEANER EMPLOYING THE SAME

 #4
20240337274
2024-10-10

Adjusting apparatus for improving anti-cavitation effect of water pump and control method thereof

 #5
20240337273
2024-10-10

VACUUM CLEANER

 #6
20240229824
2024-07-11

Centrifugal blower

 #7
20240229812
2024-07-11

TURBO-TYPE FLUID MACHINE AND REFRIGERATION APPARATUS

 #8
20240141906
2024-05-02

Vacuum pump

 #9
20240133393
2024-04-25

TURBO-TYPE FLUID MACHINE AND REFRIGERATION APPARATUS

 #10
20240110575
2024-04-04

COMPOSITE IMPELLER WITH REPLACEABLE BLADES

 #11
20230175523
2023-06-08

Shaftless rotary machine

 #12
20230175521
2023-06-08

Fan impeller with thin blades

 #13
20220333615
2022-10-20

Vertical multi-stage pump

 #14
20220065254
2022-03-03

Cutting assembly for a chopper pump

 #15
20220025898
2022-01-27

Closed impeller and method of manufacturing the same

 #16
20210239126
2021-08-05

Centrifugal blower

 #17
20210123378
2021-04-29

Centrifugal impeller for gas turbine engine

 #18
20210108838
2021-04-15

Integrated connector for multi-stage compressor

 #19
20210108648
2021-04-15

Shaft sleeve assembly, blade mounting structure and air conditioner

 #20
20210077760
2021-03-18

BLOWING DEVICE AND FLUID CONTROL DEVICE

 #21
20200300161
2020-09-24

POSITION SECUREMENT OF AN EXHAUST GAS TURBOCHARGER HOUSING

 #22
20200271127
2020-08-27

Centrifugal Pump

 #23
20200149533
2020-05-14

Cutting assembly for a chopper pump

 #24
20200032810
2020-01-30

IMPELLER AND ROTARY MACHINE

 #25
20190368504
2019-12-05

Fan wheel structure

 #26
20190368495
2019-12-05

CENTRIFUGAL PUMP

 #27
20190322354
2019-10-24

LIFTING SURFACES AND ASSOCIATED METHOD

 #28
20190293085
2019-09-26

Turbo compressor having separate cooling air channel

 #29
20190291227
2019-09-26

Cleaning turbine

 #30
20190242396
2019-08-08

Centrifugal blower

 #31
20190154057
2019-05-23

Vacuum Suction Unit

 #32
20190154046
2019-05-23

Stator component of vacuum pump

 #33
20190134779
2019-05-09

METHOD FOR PRODUCING IMPELLER BY FUSED DEPOSITION MODELING AND MECHANICAL POLISHING

 #34
20190093665
2019-03-28

Centrifugal blower

 #35
20190078579
2019-03-14

Compact centrifugal apparatus for conveying a fluid

 #36
20190055953
2019-02-21

Rotary machine

 #37
20190047049
2019-02-14

Alloy article, method for manufacturing same, and product using same

 #38
20190024670
2019-01-24

Compressor-impeller fixing nut, impeller assembly, and supercharger

 #39
20190010961
2019-01-10

Impeller of centrifugal fan and method and apparatus for manufacturing the same

 #40
20180363104
2018-12-20

High entropy alloy article, method for manufacturing same, and product using same

 #41
20180333797
2018-11-22

Method of manufacturing impeller

 #42
20180231015
2018-08-16

Sealed rotor assembly for a rotary fluid device

 #43
20180202308
2018-07-19

Self-Sustaining Power Generation System (SPGS)

 #44
20180180050
2018-06-28

FAN DEVICE AND VACUUM CLEANER INCLUDING THE SAME

 #45
20180175703
2018-06-21

Rotary electric machine having a turbine having increased negative pressure

 #46
20170321723
2017-11-09

Vacuum pump

 #47
20170306973
2017-10-26

Impeller and rotary machine

 #48
20170306967
2017-10-26

Monitoring device and vacuum pump

 #49
20170306965
2017-10-26

Cutting assembly for a chopper pump

 #50
20170234315
2017-08-17

Gas turbine blower/pump

 #51
20170227017
2017-08-10

Electrically driven pump

 #52
20170218969
2017-08-03

Flow-conducting component

 #53
20170211581
2017-07-27

Centrifugal pump

 #54
20170211580
2017-07-27

Systems and methods for split coupled pump and jacking gland

 #55
20170201167
2017-07-13

Magnetic gear with a magnetic flux conductor arrangement

 #56
20170191483
2017-07-06

Automatic inflation device

 #57
20170175749
2017-06-22

Centrifugal pump

 #58
20170167383
2017-06-15

Gearbox oil cooling assembly

 #59
20170146019
2017-05-25

Multistage centrifugal pump with shaft hydraulic force compensation

 #60
20170130733
2017-05-11

Method for preventing the corrosion of an impeller-shaft assembly of a turbomachine

 #61
20170097131
2017-04-06

Method and device for realizing electric candle flame with dynamic visual effect

 #62
20170097008
2017-04-06

Low-cavitation impeller and pump

 #63
20170074696
2017-03-16

Pitot tube stabilizer arrangement for centrifugal pumps

 #64
20170074286
2017-03-16

Blower, electric machine and associated method

 #65
20170054334
2017-02-23

ELECTRIC DRIVE MOTOR, PUMP, AND A DOMESTIC APPLIANCE COMPRISING SUCH A PUMP

 #66
20170051753
2017-02-23

Impeller, in particular for a side channel machine

 #67
20170040868
2017-02-09

Homopolar, flux-biased hysteresis bearingless motor

 #68
20170037863
2017-02-09

Anti-icing impeller spinner

 #69
20170037861
2017-02-09

Seal section with internal lubricant pump for electrical submersible well pump

 #70
20160341218
2016-11-24

Centrifugal pump

 #71
20160319825
2016-11-03

Vacuum exhaust mechanism, compound type vacuum pump, and rotating body part

 #72
20160305249
2016-10-20

Directed cooling for rotating machinery

 #73
20160298645
2016-10-13

Vacuum pump component, siegbahn type exhaust mechanism and compound vacuum pump

 #74
20160290359
2016-10-06

VACUUM SUCTION UNIT

 #75
20160273552
2016-09-22

Vacuum pump

 #76
20160273544
2016-09-22

Adjustment mechanism for pump seal

 #77
20160265546
2016-09-15

ROTOR ASSEMBLY FOR A TURBOMACHINE

 #78
20160258442
2016-09-08

Boundary layer turbomachine

 #79
20160258046
2016-09-08

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

 #80
20160245296
2016-08-25

Al alloy cast impeller for compressor and process for producing same

 #81
20160222974
2016-08-04

Stator component of vacuum pump

 #82
20160215780
2016-07-28

Built-in electric air pumps for inflating objects

 #83
20160177958
2016-06-23

Operating method for a pump, in particular for a multiphase pump, and pump

 #84
20160176506
2016-06-23

Lifting surfaces and associated method

 #85
20160169247
2016-06-16

Method for the positioning of a cover disk of a pump and pump

 #86
20160160873
2016-06-09

Axially split pump

 #87
20160160871
2016-06-09

Axially split pump

 #88
20160160870
2016-06-09

Axially split pump

 #89
20160153469
2016-06-02

Centrifugal pump

 #90
20160153456
2016-06-02

Speed control

 #91
20160146219
2016-05-26

Fluid heat exchange systems

 #92
20160145980
2016-05-26

Submersible well fluid system

 #93
20160138607
2016-05-19

CENTRIFUGAL PUMP CASING WITH OFFSET DISCHARGE

 #94
20160138604
2016-05-19

Rotor for a centrifugal flow machine and a centrifugal flow machine

 #95
20160138602
2016-05-19

Vacuum pump

 #96
20160123328
2016-05-05

Pump arrangement and method for producing a containment shell for the pump arrangement

 #97
20160115961
2016-04-28

Drive rotor for a magnetically coupled pump having tolerance rings

 #98
20160084255
2016-03-24

Pump arrangement

 #99
20160072359
2016-03-10

Electrical machine and controller and methods of assembling the same

 #100
20160025099
2016-01-28

CENTRIFUGAL PUMP

 #101
20160017891
2016-01-21

Turbomachine

 #102
20160010659
2016-01-14

VACUUM GENERATOR FLOW DIVERTER

 #103
20150369256
2015-12-24

Centrifugal Pump and Series of Centrifugal Pumps

 #104
20150361990
2015-12-17

Flow machine, and flow guiding element for a flow machine

 #105
20150354575
2015-12-10

PUMP UNIT

 #106
20150345503
2015-12-03

Sealing arrangement for axially split turbomachines

 #107
20150125303
2015-05-07

Impeller, impeller cutting jig, and method of machining impeller

 #108
20140127023
2014-05-08

Centrifugal compressor impeller

 #109
20140050585
2014-02-20

Impeller, rotary machine including the same, and method for manufacturing impeller

 #110
20130280036
2013-10-24

Axially-split radial turbine

 #111
20130052019
2013-02-28

Rotor assembly for a turbomachine

 #112
20120201682
2012-08-09

Rotor for a turbomachine

 #113
20110284190
2011-11-24

Centrifugal air blower and air conditioner

 #114
20110008185
2011-01-13

Portable liquid pump

 #115
20090246048
2009-10-01

Turbo vacuum pump

 #116
20090246038
2009-10-01

Turbo vacuum pump

 #117
20090022585
2009-01-22

Rotor for a Rotary Machine and a Rotary Machine

 #118
18908149
2025-09-02

Centrifugal compressor

 #119
17956408
2023-08-29

Composite impeller with replaceable blades

 #120
15273931
2019-04-23

Methods and apparatus for mounting an impeller with positional repeatability