Patents-Review.com
ClassID:

144305 ⎘

F04D29/445 - 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 especially adapted for liquid pumps

Sub-classes:
Recent Application in this class:
#1
20260117790
2026-04-30

CENTRIFUGAL PUMP

 #2
20260063142
2026-03-05

SPIN-RESISTANT DIFFUSER FOR ELECTRIC SUBMERSIBLE PUMP

 #3
20260016019
2026-01-15

ARTIFICIAL LIFT PUMP

 #4
20250334133
2025-10-30

BEARING ASSEMBLIES, APPARATUSES, DEVICES, SYSTEMS, AND METHODS INCLUDINGBEARINGS

 #5
20250172148
2025-05-29

SUBMERSIBLE PUMP WITH STAGE EROSION CONTROL

 #6
20250122879
2025-04-17

FLUID PUMP ASSEMBLY

 #7
20250081395
2025-03-06

VARIABLE-PART LIQUID COOLING PUMPING UNIT

 #8
20250052247
2025-02-13

STICK PUMP ASSEMBLY

 #9
20250027507
2025-01-23

MULTIPLE BLADE ROWS FOR IMPELLER AND DIFFUSER STAGES

 #10
20250012293
2025-01-09

ELECTRIC WATER PUMP

 #11
20240410372
2024-12-12

ELECTRICAL SUBMERSIBLE PUMPING SYSTEMS

 #12
20240376906
2024-11-14

Immersion pump

 #13
20240360841
2024-10-31

Keyless Nesting Diffuser for Centrifugal Pumps

 #14
20240328433
2024-10-03

Additively manufactured optimized fuel pump volute entrance

 #15
20240238658
2024-07-18

Pump cell for mobile surfing facility including radial pump and diffusor

 #16
20240229827
2024-07-11

DOWNHOLE CENTRIFUGAL PUMPS INCLUDING LOCKING FEATURES AND RELATED COMPONENTS AND METHODS

 #17
20240218767
2024-07-04

Electric submersible pump with improved gas separator performance in high viscosity applications

 #18
20240209859
2024-06-27

PUMP AND PUMP ASSEMBLY

 #19
20240167477
2024-05-23

Aquarium fluid pump assembly with magnectic rotator

 #20
20240159246
2024-05-16

SPLIT VOLUTE FOR SUBMERSIBLE PUMP

 #21
20240125220
2024-04-18

SEALS FOR ELECTRIC SUBMERSIBLE PUMPS

 #22
20240093698
2024-03-21

Production of a Diffusor as a Group of Channels

 #23
20240084817
2024-03-14

Centrifugal pumps, casings and vehicles using the same

 #24
20240026903
2024-01-25

Energy-conserving fluid pump

 #25
20240026594
2024-01-25

LAUNDRY TREATING APPARATUS

 #26
20240011492
2024-01-11

FLUID-PATH SWITCHING APPARATUS AND METHOD OF PREVENTING IDLING ROTATION OF SUBMERSIBLE PUMP

 #27
20230407882
2023-12-21

FLUID PUMP

 #28
20230366405
2023-11-16

Stick pump assembly

 #29
20230235751
2023-07-27

Volute design for lower manufacturing cost and radial load reduction

 #30
20230204046
2023-06-29

Rotary device for inputting thermal energy into fluids

 #31
20230191289
2023-06-22

PARTICULATE RESTRICTION FOR FLUID PUMPS

 #32
20230160397
2023-05-25

Self-priming assembly for use in a multi-stage pump

 #33
20230108948
2023-04-06

Electric submersible pump with improved gas separator performance in high viscosity applications

 #34
20230056832
2023-02-23

Variable-part liquid cooling pumping unit

 #35
20230020990
2023-01-19

Fluid pump assembly

 #36
20230003223
2023-01-05

Water-conserving liquid ring vacuum pump system

 #37
20220403846
2022-12-22

Molten metal pump

 #38
20220290674
2022-09-15

Pump and pump assembly

 #39
20220178376
2022-06-09

Electrical submersible pumping systems

 #40
20220163037
2022-05-26

Barrel casing pump and method for manufacturing a barrel casing pump

 #41
20220120293
2022-04-21

Stick pump assembly

 #42
20220094255
2022-03-24

Annular linear induction electromagnetic pump having axial guide vanes

 #43
20220090609
2022-03-24

Anti-swirl ribs in electric submersible pump balance ring cavity

 #44
20220090602
2022-03-24

Balancing axial thrust in submersible well pumps

 #45
20220082101
2022-03-17

Overflow vortex transfer system

 #46
20220074427
2022-03-10

Two-vane pump and design method of two-vane pump for wastewater using machine learning

 #47
20220065266
2022-03-03

Downhole centrifugal pump diffuser with protuberant vanes and related pumps and methods

 #48
20220056919
2022-02-24

Impeller locking method

 #49
20210396246
2021-12-23

PUMP CASING AND MAGNET PUMP INCLUDING THE SAME

 #50
20210372419
2021-12-02

Hybrid magnetic thrust bearing in an electric submersible pump (ESP) assembly

 #51
20210363996
2021-11-25

Liquid pressurizing apparatus and urea synthesis plant

 #52
20210348613
2021-11-11

Thrust runner for abrasion resistant bearing of centrifugal pump

 #53
20210324860
2021-10-21

COMPRESSOR AND CHILLER SYSTEM HAVING THE SAME

 #54
20210277912
2021-09-09

Pump having an electric motor contained in a shell enclosed by a monolithically provided containment jacket

 #55
20210277907
2021-09-09

Vertical electric pump having instruments for control and monitoring the operation of the pump accessible from a single side of the pump

 #56
20210254631
2021-08-19

Pump

 #57
20210239122
2021-08-05

ELECTRIC COOLANT PUMP

 #58
20210220684
2021-07-22

SUBMERSIBLE WATER LIFTING ASSEMBLY AND AUTOMATIC FIRE FIGHTING SYSTEM FOR UNMANNED PLATFORMS HAVING SAID SYSTEM

 #59
20210195794
2021-06-24

NOVEL MECHANICAL PUMP LIQUID-COOLING HEAT DISSIPATION SYSTEM

 #60
20210156394
2021-05-27

Multistage pump

 #61
20210095694
2021-04-01

Pump assembly and related methods

 #62
20210079928
2021-03-18

Adaptive volutes for centrifugal pumps

 #63
20210040957
2021-02-11

FINGER PUMP

 #64
20200325901
2020-10-15

High viscosity pumping system and method of using same

 #65
20200300265
2020-09-24

Downhole centrifugal pump diffuser with protuberant vanes

 #66
20200277970
2020-09-03

Gas compressor with reduced energy loss

 #67
20200248695
2020-08-06

Balancing axial thrust in submersible well pumps

 #68
20200240434
2020-07-30

Self-priming assembly for use in a multi-stage pump

 #69
20200240417
2020-07-30

Low-profile, high-power pump for electronics fluid cooling system

 #70
20200182246
2020-06-11

Open exit molten metal gas injection pump

 #71
20200182126
2020-06-11

Closure element for closing a housing in a heat-transfer-fluid pump contained in an engine

 #72
20200132075
2020-04-30

Pump and pump assembly

 #73
20200095996
2020-03-26

Fluid pump assembly

 #74
20200080562
2020-03-12

Abrasion-resistant thrust bearings for ESP pump

 #75
20200072240
2020-03-05

Solid body vortex pump

 #76
20200063753
2020-02-27

Centrifugal compressor and turbocharger

 #77
20190366182
2019-12-05

Wave producing method and apparatus

 #78
20190285071
2019-09-19

Diffuser anti-rotation system and apparatus

 #79
20190271318
2019-09-05

Centrifugal pump flow modifier

 #80
20190264690
2019-08-29

Multistage centrifugal grinder pump

 #81
20190257320
2019-08-22

Finger pump

 #82
20190257188
2019-08-22

Proximity Sensor System For Electric Submersible Pumps

 #83
20190203736
2019-07-04

Pump monitoring

 #84
20190154039
2019-05-23

Anti-Blocking Ultra-Low Water Level Land Submersible Amphibious Pump

 #85
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

 #86
20190040862
2019-02-07

Permanent magnet pump

 #87
20190017509
2019-01-17

Fluid pump assembly

 #88
20180372122
2018-12-27

Intelligent clogging-free water-cooled multifunctional pump

 #89
20180328382
2018-11-15

Fluid pump with volute shaped housing

 #90
20180328380
2018-11-15

Volute casing for a centrifugal pump and centrifugal pump

 #91
20180306199
2018-10-25

ELECTRIC SUBMERSIBLE PUMP

 #92
20180291921
2018-10-11

Volutes for engine mounted boost stages

 #93
20180195375
2018-07-12

Electrical submersible pumping system with separator

 #94
20180160657
2018-06-14

Sea lice fish pump

 #95
20180128272
2018-05-10

Dual inlet volute, impeller and pump housing for same, and related methods

 #96
20180112673
2018-04-26

Impeller for a centrifugal headbox feed pump

 #97
20180087532
2018-03-29

Centrifugal pump for conveying a fluid

 #98
20180080471
2018-03-22

FLUID MACHINE INCLUDING DIFFUSER

 #99
20180051700
2018-02-22

Systems and methods for sensing parameters in an ESP using multiple MEMS sensors

 #100
20180045222
2018-02-15

Inlet device for a vertical pump and an arrangement comprising such an inlet device

 #101
20170350399
2017-12-07

Submersible pumping system having thrust pad flow bypass

 #102
20170306732
2017-10-26

Automatic Y-tool

 #103
20170306730
2017-10-26

Rod driven centrifugal pumping system for adverse well production

 #104
20170298966
2017-10-19

Magnetically controlled valve and pump devices and methods of using the same

 #105
20170292521
2017-10-12

Pump device

 #106
20170248159
2017-08-31

Anti-swirl rib system for a pump

 #107
20170248141
2017-08-31

Cross-flow wave making pump

 #108
20170241428
2017-08-24

Seal assembly for abrasion resistant bearing of centrifugal pump

 #109
20170209019
2017-07-27

Heat pump and dishwasher comprising the same

 #110
20170204862
2017-07-20

RISERLESS RECIRCULATION/TRANSFER PUMP AND MIXER/PRE-MELTER FOR MOLTEN METAL APPLICATIONS

 #111
20170198722
2017-07-13

Fluid pump with multiple pump heads

 #112
20170167498
2017-06-15

Electric submersible pump components

 #113
20170167491
2017-06-15

Electric-motor-driven liquid pump

 #114
20170138367
2017-05-18

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

 #115
20170130722
2017-05-11

Magnetic liquid pump assembly with shaft and axle arrangement

 #116
20170122333
2017-05-04

Oil and gas well pump components and method of coating such components

 #117
20170122332
2017-05-04

Downhole electrical submersible pump with upthrust balance

 #118
20170108007
2017-04-20

Centrifugal pump assembly comprising at least one impeller producing flow through and an annular space divided by at least two guide vanes into part-annular-spaces

 #119
20170107990
2017-04-20

CENTRIFUGAL PUMP STAGE, CENTRIFUGAL PUMP AND USE OF A PUMP STAGE

 #120
20170101992
2017-04-13

PUMPS

 #121
20170089343
2017-03-30

Pump and method for changing the pumping capacity of a pump

 #122
20170074270
2017-03-16

Pump and pump assembly

 #123
20170051752
2017-02-23

Horizontal pumping system with primary stage assembly and separate NPSH stage assembly

 #124
20170037852
2017-02-09

Overflow vortex transfer system

 #125
20170022997
2017-01-26

Pump for the conveyance of a fluid with varying viscosity

 #126
20170016493
2017-01-19

Hydrodynamic machine and dynamic pressure pump therefor

 #127
20170009777
2017-01-12

FLUID PUMP

 #128
20170002823
2017-01-05

Multistage centrifugal pump with integral abrasion-resistant axial thrust bearings

 #129
20160363124
2016-12-15

Vertical self-priming pump

 #130
20160341201
2016-11-24

Magnetic pump

 #131
20160327053
2016-11-10

INTEGRATED PRESSURIZED PUMP SHAFT SEAL ASSEMBLY AND METHOD OF USE THEREOF

 #132
20160305432
2016-10-20

Cross-flow wave making pump

 #133
20160281727
2016-09-29

APPARATUS, SYSTEM, AND METHOD FOR COMPRESSING A PROCESS FLUID

 #134
20160258441
2016-09-08

Abrasion-resistant thrust ring for use with a downhole electrical submersible pump

 #135
20160097399
2016-04-07

Volute for engine-mounted boost stage fuel pump

 #136
20160084256
2016-03-24

Pump arrangement

 #137
20160084253
2016-03-24

Multi-stage, self-priming centrifugal pump assembly

 #138
20160084069
2016-03-24

Proximity sensor system for electric submersible pumps

 #139
20160047395
2016-02-18

Electric coolant pump

 #140
20150361990
2015-12-17

Flow machine, and flow guiding element for a flow machine

 #141
20150354582
2015-12-10

Tandem thrust bearing with resilient bearing support

 #142
20150337973
2015-11-26

Centrifugal pump

 #143
20150337842
2015-11-26

Centrifugal pump with coalescing effect, design method and use thereof

 #144
20150330391
2015-11-19

Back-to-back centrifugal pump

 #145
20150316071
2015-11-05

CENTRIFUGAL GAS COMPRESSOR OR PUMP COMPRISING A TOOTHED RING AND A COWL

 #146
20150292507
2015-10-15

CROSS-FLOW WAVE MAKING PUMP

 #147
20150285254
2015-10-08

Barrel-type multistage pump

 #148
20150226219
2015-08-13

Self-aligning and vibration damping bearings in a submersible well pump

 #149
20150204349
2015-07-23

Solid body vortex pump

 #150
20150167686
2015-06-18

Slotted washer pad for stage impellers of submersible centrifugal well pump

 #151
20150125279
2015-05-07

SUBMERSIBLE PUMP COMPONENT AND METHOD OF COATING THEREOF

 #152
20150044026
2015-02-12

Inducer for centrifugal pump

 #153
20140369824
2014-12-18

Circulation pump

 #154
20140348675
2014-11-27

Pump

 #155
20140294575
2014-10-02

Centrifugal pump stage with increased compressive load capacity

 #156
20140262259
2014-09-18

Rod driven centrifugal pumping system for adverse well production

 #157
20140216695
2014-08-07

Water-cooling device with waterproof stator and rotor pumping unit

 #158
20140134021
2014-05-15

Pump for a Domestic Appliance

 #159
20140113210
2014-04-24

Underwater vehicle having an electrolyte-activated electrochemical fuel cell

 #160
20140086736
2014-03-27

Pump

 #161
20140072464
2014-03-13

INTEGRATED ENDSHIELD AND PUMP VOLUTE FOR AN ELECTRIC PUMP AND METHOD OF FORMING AN ELECTRIC PUMP

 #162
20130343882
2013-12-26

Pump

 #163
20130276285
2013-10-24

Diffuser case removal apparatus and method

 #164
20130243634
2013-09-19

Self-cleaning screw-type centrifugal wheel pump with recirculation behind the impeller

 #165
20130243568
2013-09-19

Self-cleaning cover plate in a pump with radial flow

 #166
20130183148
2013-07-18

Fuel system centrifugal boost pump volute

 #167
20130170946
2013-07-04

Riserless transfer pump and mixer/pre-melter for molten metal applications

 #168
20130115071
2013-05-09

Pump with hydraulic isolator

 #169
20130075065
2013-03-28

Sculpted fan housing

 #170
20130058777
2013-03-07

SUBMERSIBLE PUMP STAGE

 #171
20130058774
2013-03-07

Volute shaped pump casing with splitter rib

 #172
20130039782
2013-02-14

Gas separator with improved flow path efficiency

 #173
20130022455
2013-01-24

Pump

 #174
20120253103
2012-10-04

Centrifugal blood pumps with reverse flow washout

 #175
20120224957
2012-09-06

Pump and flow-guiding device

 #176
20120205112
2012-08-16

High pressure multistage centrifugal pump for fracturing hydrocarbon reserves

 #177
20120180826
2012-07-19

Centrifugal pump

 #178
20120171014
2012-07-05

Barrel-type multistage pump

 #179
20120163959
2012-06-28

Riserless recirculation/transfer pump and mixer/pre-melter for molten metal applications

 #180
20120134796
2012-05-31

Pump housing and drainage pump

 #181
20120128478
2012-05-24

Centrifugal pump assembly

 #182
20120057970
2012-03-08

Integrated open impeller and diffuser for use with an electrical submersible pump

 #183
20120051885
2012-03-01

DOUBLE EXHAUST CENTRIFUGAL PUMP

 #184
20120045352
2012-02-23

PUMP AND PUMP ASSEMBLY

 #185
20110255951
2011-10-20

Axial thrust balanced impeller for use with a downhole electrical submersible pump

 #186
20110211982
2011-09-01

Magnetic liquid pump assembly with shaft and axle arrangement

 #187
20110206499
2011-08-25

Double casing type pump and performance adjusting method thereof

 #188
20110194926
2011-08-11

Submersible pump for operation in sandy environments, diffuser assembly, and related methods

 #189
20110182725
2011-07-28

REFRIGERANT PUMP ASSEMBLY

 #190
20110058928
2011-03-10

Centrifugal pump with thrust balance holes in diffuser

 #191
20110014042
2011-01-20

Pump Flow Optimizer

 #192
20100329904
2010-12-30

Integrated endshield and pump volute for an electric pump and method of forming an electric pump

 #193
20100322794
2010-12-23

Centrifugal pump

 #194
20100322761
2010-12-23

Flow output nozzle for centrifugal pump

 #195
20100252081
2010-10-07

Water conducting household appliance

 #196
20100246743
2010-09-30

STEAM FLOW VORTEX STRAIGHTENER

 #197
20100104415
2010-04-29

Riserless transfer pump and mixer/pre-melter for molten metal applications

 #198
20100101065
2010-04-29

Diffuser case removal apparatus and method

 #199
20100040461
2010-02-18

VOLUTE FOR CENTRIFUGAL PUMP

 #200
20090116958
2009-05-07

Variable Pump

 #201
20090053073
2009-02-26

Condensate Pump

 #202
20080292454
2008-11-27

System, method, and apparatus for stackable multi-stage diffuser with anti-rotation lugs

 #203
20080267773
2008-10-30

Multistage slurry pump

 #204
20080236638
2008-10-02

DISHWASHER PUMP APPARATUS WITH A SOUND ABSORBING LAYER

 #205
20080142340
2008-06-19

Bulk material pump feeder with reduced disk jamming

 #206
20080089776
2008-04-17

Fuel pump

 #207
20080080139
2008-04-03

Impeller and aligned cold plate

 #208
20070264117
2007-11-15

Fuel pump

 #209
20070217909
2007-09-20

Centrifugal turbomachinery

 #210
20060239811
2006-10-26

Apparatus and method for processing fluids

 #211
20060157322
2006-07-20

Bulk material pump feeder with reduced disk jamming

 #212
20050196274
2005-09-08

Centrifugal pump

 #213
18607255
2024-07-02

Pump station for fertilization and irrigation system and water feeding pump or fertilizer applying pump thereof

 #214
18054358
2023-12-05

Split volute for submersible pump

 #215
17868426
2024-11-05

Centrifugal pumps and casings therefore

 #216
17208817
2022-07-05

Interlocking diffuser arrangement in electrical submersible pump

 #217
15812103
2020-06-16

Multiple channel diffuser

 #218
15051392
2019-03-19

Submersible pump thrust surface arrangement

 #219
13931229
2017-07-04

Pitot tube pump and related methods