ClassID:

144216

F04D29/167 - CPC Classification

Classification description:

Details, component parts, or accessories; Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel

Recent Application in this class:
#1
20260117787
2026-04-30

Floating Sealing Arrangement

#2
20240102482
2024-03-28

Coolant Pump Having an Improved Gap Seal

#3
20230332611
2023-10-19

CENTRIUGAL PUMP

#4
20230243354
2023-08-03

MODULAR COMPACT PUMP

#5
20230044147
2023-02-09

Variable gap between impeller rotor and static structure

#6
20230009371
2023-01-12

SEPARATING DEVICE AND TURBOMACHINE COMPRISING SEPARATING DEVICE

#7
20220074417
2022-03-10

Fluid delivery system health monitoring systems and methods

#8
20210330146
2021-10-28

Motor assembly and a cleaner comprising the same

#9
20210088056
2021-03-25

Pump for conveying a fluid

#10
20200370561
2020-11-26

Centrifugal pump assembly and impeller

#11
20200232467
2020-07-23

Pump with a wear ring

#12
20200182256
2020-06-11

Pump casing with integral support flange

#13
20200072238
2020-03-05

Pump assembly

#14
20190390686
2019-12-26

Centrifugal pump having a radial impeller

#15
20190345955
2019-11-14

IMPELLER PUMP

#16
20190331125
2019-10-31

Pump

#17
20190262646
2019-08-29

Fluid delivery system health monitoring systems and methods

#18
20190162199
2019-05-30

Impeller

#19
20190136864
2019-05-09

Centrifugal pump having an arrangement for sealing

#20
20190128275
2019-05-02

Wear ring for use in a pump

#21
20190055962
2019-02-21

Centrifugal rotary machine

#22
20180320704
2018-11-08

REMOVABLE INTEGRATED WEAR RING IMPELLER SKIRT

#23
20180306200
2018-10-25

Wear ring for use in a pump

#24
20180258950
2018-09-13

Flow control structures for turbomachines and methods of designing the same

#25
20180106264
2018-04-19

Waste water pump

#26
20180038373
2018-02-08

ADVANCED MATERIAL OVERFLOW TRANSFER PUMP

#27
20180020838
2018-01-25

Blower unit

#28
20170350399
2017-12-07

Submersible pumping system having thrust pad flow bypass

#29
20170321701
2017-11-09

Liquid pump

#30
20170296721
2017-10-19

Centrifugal pump for medical use and artificial heart assist device having centrifugal pump for medical use

#31
20170260991
2017-09-14

Turbomachine

#32
20170241424
2017-08-24

Apertures spaced around impeller bottom shroud of centrifugal pump

#33
20170191480
2017-07-06

Multi-stage horizontal centrifugal pump for conveying a fluid and a method for repairing the same

#34
20170184116
2017-06-29

Impeller and pump using the impeller

#35
20170184115
2017-06-29

Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pump

#36
20170138367
2017-05-18

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

#37
20170107996
2017-04-20

Pump for conveying a highly viscous fluid

#38
20170107995
2017-04-20

PUMP FOR CONVEYING A HIGHLY VISCOUS FLUID

#39
20170102009
2017-04-13

Metal-to-metal sealing for diffusers of an electrical submersible well pump

#40
20170097010
2017-04-06

Structures and methods for forcing coupling of flow fields of adjacent bladed elements of turbomachines, and turbomachines incorporating the same

#41
20170051746
2017-02-23

CORROSION-RESISTANT AND WEAR-RESISTANT CHEMICAL CENTRIFUGAL PUMP

#42
20170016457
2017-01-19

Flow control structures for turbomachines and methods of designing the same

#43
20160363124
2016-12-15

Vertical self-priming pump

#44
20160222789
2016-08-04

Structures and methods for forcing coupling of flow fields of adjacent bladed elements of turbomachines, and turbomachines incorporating the same

#45
20160177959
2016-06-23

Fracture-resistant self-lubricating wear surfaces

#46
20160169247
2016-06-16

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

#47
20160097400
2016-04-07

Impeller for engine-mounted boost stage fuel pump

#48
20150369073
2015-12-24

Flow control structures for turbomachines and methods of designing the same

#49
20150240837
2015-08-27

Liner coupling pin

#50
20150240831
2015-08-27

Lubricant retainer for pump shaft bearing assembly

#51
20150211543
2015-07-30

Anti-swirl device

#52
20150211522
2015-07-30

Relating to centrifugal pump impellers

#53
20150086342
2015-03-26

Centrifugal pump for delivering liquids in a motor vehicle

#54
20150083427
2015-03-26

HIGH PRESSURE MULTISTAGE CENTRIFUGAL PUMP FOR FRACTURING HYDROCARBON RESERVES

#55
20150071774
2015-03-12

Centrifugal pump

#56
20150017031
2015-01-15

Pump assembly

#57
20140341705
2014-11-20

Adjustable side liner for a pump

#58
20140261582
2014-09-18

SEAL RING NOISE REDUCTION FOR APPLIANCE PUMP

#59
20140255165
2014-09-11

CENTRIFUGAL PUMP FOR FLUIDS CONTAINING SOLID MATERIALS, AND GAP SEAL

#60
20140227086
2014-08-14

Method and apparatus for sealing a rotating machine using floating seals

#61
20140199165
2014-07-17

Liquid pump

#62
20140133959
2014-05-15

Multistage centrifugal turbomachine

#63
20140105747
2014-04-17

Centrifugal pump impellers

#64
20140072424
2014-03-13

Centrifugal pump and impeller protector for centrifugal pump

#65
20140064923
2014-03-06

SLURRY PUMP WITH ADJUSTABLE LINER

#66
20130336776
2013-12-19

Closed impeller with a coated vane

#67
20130294910
2013-11-07

Waste water pump

#68
20130294896
2013-11-07

Method and system of increasing wear resistance of a part of a rotating mechanism exposed to fluid flow therethrough

#69
20130142641
2013-06-06

Turbomachine

#70
20130039754
2013-02-14

Vertical double-suction pump having beneficial axial thrust

#71
20130028706
2013-01-31

Method and apparatus for adjusting impeller/ring clearance in a pump

#72
20120205112
2012-08-16

High pressure multistage centrifugal pump for fracturing hydrocarbon reserves

#73
20120156012
2012-06-21

Flow machine for a fluid having a radial sealing gap and a stationary wear ring

#74
20120051897
2012-03-01

Wear reduction device for rotary solids handling equipment

#75
20120001444
2012-01-05

Improvements relating to pump seal assemblies

#76
20110297111
2011-12-08

SEALING FOR A REGULABLE COOLANT PUMP

#77
20110229308
2011-09-22

Centrifugal pump having an apparatus for the removal of particles

#78
20110164973
2011-07-07

Pump housing support

#79
20110164841
2011-07-07

Lubricant retainer for pump shaft bearing assembly

#80
20110158800
2011-06-30

Liner coupling pin

#81
20110158795
2011-06-30

Centrifugal pump impellers

#82
20110142599
2011-06-16

Adjustable side liner for a pump

#83
20110123317
2011-05-26

Centrifugal pump

#84
20110064566
2011-03-17

APPARATUS FOR IMPELLER SEALING IN CENTRIFUGAL PUMPS

#85
20100284796
2010-11-11

PUMP

#86
20090304501
2009-12-10

Pond pump

#87
20090232639
2009-09-17

Wear plate for a centrifugal pump

#88
20090180866
2009-07-16

Self-monitoring system for evaluating and controlling adjustment requirements of leakage restricting devices in rotodynamic pumps

#89
20090155066
2009-06-18

Pump Driving Apparatus

#90
20090134582
2009-05-28

Seal Assembly

#91
20090053049
2009-02-26

Self priming centrifugal pump

#92
20080260515
2008-10-23

Pump

#93
20080142340
2008-06-19

Bulk material pump feeder with reduced disk jamming

#94
20080080965
2008-04-03

Pump comprising an axial balancing system

#95
20080056846
2008-03-06

Sealing arrangement for the attachment of a side plate of a centrifugal pump and an attachment screw used therewith

#96
20070280823
2007-12-06

Seal device for a fluid machine

#97
20070274820
2007-11-29

Centrifugal pump

#98
20070160467
2007-07-12

Flow machine for a fluid with a radial sealing gap

#99
20070160465
2007-07-12

Flexible floating ring seal arrangement for rotodynamic pumps

#100
20070140834
2007-06-21

Centrifugal turbo machine with axial thrust control member

#101
20070116558
2007-05-24

Pressure test method of double suction volute pump

#102
20070082217
2007-04-12

Wear Resistant Consumable

#103
20070036643
2007-02-15

Tool-free adjustable clean out assembly for a pump

#104
20060275162
2006-12-07

Pump with combined floating wear ring and liquid director

#105
20060269404
2006-11-30

Multistage pump

#106
20060263212
2006-11-23

Sealing arrangement for the attachment of a side plate of a centrifugal pump and an attachment screw used therewith

#107
20060157322
2006-07-20

Bulk material pump feeder with reduced disk jamming

#108
20060147328
2006-07-06

Seal mechanism for fluid machine

#109
20060127211
2006-06-15

Pump impeller

#110
20060008348
2006-01-12

Turbo-type fluid machine and a stepped seal apparatus to be used therein

#111
20050191175
2005-09-01

Rotary pump

#112
20050087933
2005-04-28

Seal for use between two mobile parts of a hydraulic machine

#113
20050013689
2005-01-20

Centrifugal pump with multiple inlets