ClassID:

144206

F04D29/126 - CPC Classification

Classification description:

Details, component parts, or accessories; Sealings; Shaft sealings using sealing-rings especially adapted for liquid pumps

Sub-classes:
Recent Application in this class:
#1
20260117782
2026-04-30

PUMP UNIT, PUMP SYSTEM, AND PUMP SYSTEM OPERATION METHOD

#2
20260063135
2026-03-05

PUMPING RING FOR ROTARY SHAFT EQUIPMENT SEALS

#3
20260063134
2026-03-05

INTERNALLY PRESSURIZED AND LUBRICATED SHAFT SEALS AND BEARINGS FOR PUMPS

#4
20250003418
2025-01-02

TANDEM SEAL PUMP

#5
20240309872
2024-09-19

Self-priming centrifugal pump assembly with multifunctional sealing system

#6
20240263637
2024-08-08

ELECTRIC COOLANT PUMP WITH EXPANSION COMPENSATING SEAL

#7
20230400016
2023-12-14

CONVEYING A FLUID CONTAINING A (METH)ACRYLIC MONOMER BY MEANS OF A PUMP

#8
20230358235
2023-11-09

AXIAL FLUX MOTOR DRIVEN PUMP SYSTEMS FOR PRESSURIZING FLUID IN CLOSED LOOP SYSTEMS

#9
20230258196
2023-08-17

Rotary pump for conveying a fluid

#10
20220389935
2022-12-08

PUMP ARRANGEMENT FOR PUMPING BARRIER LIQUID AND A MECHANICAL SHAFT SEAL

#11
20220356884
2022-11-10

PISTON ROD SEAL

#12
20220349417
2022-11-03

Systems and methods for mapping hardware FIFO to processor address space

#13
20220290683
2022-09-15

Electric coolant pump with expansion compensating seal

#14
20220275807
2022-09-01

Seal

#15
20220275806
2022-09-01

Seal arrangement for pump

#16
20220221060
2022-07-14

Mechanical face seal assembly, in particular for hot media, and pump assembly

#17
20220163045
2022-05-26

Pump gland with rotary dynamic seal

#18
20220154733
2022-05-19

Permanent magnet direct-drive slurry pump based on gas film drag reduction

#19
20220136511
2022-05-05

Fluid pump and outlet check valve assembly thereof

#20
20210381520
2021-12-09

COOLANT PLUG-IN PUMP WITH SEALING WASHER TO MINIMIZE THE SEALING GAP

#21
20210372422
2021-12-02

VEHICLE PUMP DEVICE FOR PUMPING A LIQUID AND METHOD FOR HANDLING LEAKED LIQUID IN THE VEHICLE PUMP DEVICE

#22
20210190085
2021-06-24

Water pump

#23
20210156395
2021-05-27

Pump housing device for a fluid pump, and a fluid pump

#24
20210048036
2021-02-18

Tandem seal pump

#25
20200325907
2020-10-15

Vertical pump structure

#26
20200313514
2020-10-01

Electric generator having a liquid coolant system

#27
20200263693
2020-08-20

Slurry seal assembly

#28
20200217418
2020-07-09

Sealing member for mechanical seals

#29
20200217003
2020-07-09

Drain pump for washing machine appliance

#30
20200191160
2020-06-18

Pump assembly

#31
20200132084
2020-04-30

Compressor

#32
20190383302
2019-12-19

Bearing packing and feed pump

#33
20190293073
2019-09-26

Pump assembly having an impeller, a motor, and a shaft, with the shaft passing from the motor to the impeller through a fluid reservoir and a seal arrangemnet with a tration

#34
20190242395
2019-08-08

Pumps with a waterproof structure

#35
20190226485
2019-07-25

Micro hydraulic suspension mechanical pump

#36
20190154051
2019-05-23

Pump for a fluid

#37
20190154048
2019-05-23

VEHICLE HAVING A PUMP DEVICE

#38
20190136864
2019-05-09

Centrifugal pump having an arrangement for sealing

#39
20190128275
2019-05-02

Wear ring for use in a pump

#40
20190117864
2019-04-25

METHOD OF ATTACHING TISSUE SUBSTITUTE ARTIFICIAL FIBER CLOTH, CONNECTING CABLE FOR AUXILIARY ARTIFICIAL HEART, AND AUXILIARY ARTIFICIAL HEART SYSTEM

#41
20190090389
2019-03-21

Electromagnetic cartridge seal

#42
20190085858
2019-03-21

Centrifugal pump for cryogenic pumped media

#43
20190078577
2019-03-14

Motor for suppressing entry of foreign matter

#44
20190078576
2019-03-14

Fluid sealing member and fluid pump and motor having fluid sealing member

#45
20190078569
2019-03-14

Slurry seal assembly

#46
20190063610
2019-02-28

Shaft sealing structure and primary coolant circulation pump

#47
20190048885
2019-02-14

Centrifugal pump

#48
20190010950
2019-01-10

Pump bearing retainer

#49
20180355879
2018-12-13

Self-adjusting drum system

#50
20180347697
2018-12-06

Seal assembly for sliding parts, in particular for pumps

#51
20180283383
2018-10-04

Pump assembly

#52
20180187691
2018-07-05

One-piece labyrinth disc chamber for centrifugal well pump

#53
20180106378
2018-04-19

MECHANICAL SEAL

#54
20180087521
2018-03-29

FLUID SEALING MEMBER AND FLUID PUMP AND MOTOR HAVING FLUID SEALING MEMBER

#55
20180087512
2018-03-29

Double volute end suction pump

#56
20170370475
2017-12-28

END SURFACE-CONTACT MECHANICAL SEAL

#57
20170292611
2017-10-12

Mechanical seal assistance device and systems and methods for use thereof

#58
20170292527
2017-10-12

High speed centrifugal pump lined seal housing

#59
20170260991
2017-09-14

Turbomachine

#60
20170241428
2017-08-24

Seal assembly for abrasion resistant bearing of centrifugal pump

#61
20170211581
2017-07-27

Centrifugal pump

#62
20170184123
2017-06-29

Non-welded suction chamber for surface pumping systems

#63
20170167499
2017-06-15

Centrifugal pump of the submersed or submersible type

#64
20170146019
2017-05-25

Multistage centrifugal pump with shaft hydraulic force compensation

#65
20170108002
2017-04-20

Fluid pump

#66
20170049944
2017-02-23

Slide device, mechanical seal, pump and auxiliary artificial heart system

#67
20170030171
2017-02-02

Seal configuration for ESP systems

#68
20160319831
2016-11-03

Water pump and method for producing water pump

#69
20160312893
2016-10-27

Method for carrying out emergent shaft sealing for reactor coolant pump and shaft sealing assembly

#70
20160312785
2016-10-27

Circulation pump for cooling mechanical face seal of submersible well pump assembly

#71
20160273544
2016-09-22

Adjustment mechanism for pump seal

#72
20160265537
2016-09-15

Submersible pump apparatus

#73
20160230892
2016-08-11

Mechanical seal

#74
20160228843
2016-08-11

System and method for seal flush

#75
20160177964
2016-06-23

Spiral flow constant pressure pump

#76
20160172062
2016-06-16

Active surface for a packing seal intended for a shaft sealing system

#77
20160160873
2016-06-09

Axially split pump

#78
20160145984
2016-05-26

Auxiliary face seal for submersible well pump seal section

#79
20160138604
2016-05-19

Rotor for a centrifugal flow machine and a centrifugal flow machine

#80
20160061211
2016-03-03

Mechanical seal lubrication system

#81
20160010749
2016-01-14

Leakage prevention seal, and pump for nuclear reactor cooling material

#82
20160010439
2016-01-14

Apparatus and system for sealing submersible pump assemblies

#83
20150326087
2015-11-12

Alternating-current permanent magnet draining pump

#84
20150260291
2015-09-17

Double sealing device

#85
20150198172
2015-07-16

DOUBLE MECHANICAL SEAL FOR CENTRIFUGAL PUMP

#86
20150139792
2015-05-21

Internal Gear Pump

#87
20150128415
2015-05-14

Water pump bearing with integrated mechanical seal

#88
20150098843
2015-04-09

Mechanical seal with PFA bellows

#89
20150050141
2015-02-19

PASSIVE SHUTDOWN SEALING DEVICE FOR A SHAFT SEALING SYSTEM OF A REACTOR COOLANT PUMP SET

#90
20140356160
2014-12-04

Mechanical seal

#91
20140328703
2014-11-06

Internal combustion engine provided with a cooling pump that can be mechanically disconnected

#92
20140308142
2014-10-16

Pump including gap arrangement for improved pumping of solid matter

#93
20140294631
2014-10-02

Electric water pump motor casing

#94
20140147302
2014-05-29

Mechanical seal with PFA bellows

#95
20140119958
2014-05-01

Submersible pump apparatus with multiple mechanical seals and multiple reservoirs to protect the motor from infiltration of undesired fluid

#96
20140116513
2014-05-01

System and method for seal flush

#97
20140072409
2014-03-13

Pump and protector for pump

#98
20140003921
2014-01-02

Remanufactured pump and pump remanufacturing method

#99
20130255804
2013-10-03

Turbulence member, system and fluid handling device for protecting a seal assembly

#100
20130189084
2013-07-25

Arrangement, a sealing assembly, a casing flange and a spacer for sealing the propeller shaft of a marine vessel

#101
20130183178
2013-07-18

Cooling systems for submersible pumps

#102
20130142648
2013-06-06

ROTATING MACHINE

#103
20130089420
2013-04-11

Submersible pump

#104
20130064648
2013-03-14

Water pump

#105
20130039756
2013-02-14

Vertical double suction pump enclosing tube seal

#106
20130022460
2013-01-24

Mechanical seal for large pumps

#107
20130022447
2013-01-24

Centrifugal pump for de-watering

#108
20120134799
2012-05-31

Adjustable mechanical seal

#109
20120134789
2012-05-31

Water Pump

#110
20120112417
2012-05-10

Axial face seal assembly

#111
20120107115
2012-05-03

Mechanical seal with improved seal assembly

#112
20120099984
2012-04-26

Mechanical seal

#113
20120076643
2012-03-29

Sealing system for centrifugal pumps

#114
20110298182
2011-12-08

Sealing device for a pump

#115
20110250059
2011-10-13

Centrifugal pump

#116
20110200469
2011-08-18

Submersible motor pump, motor pump, and tandem mechanical seal

#117
20110198813
2011-08-18

Mechanical seal

#118
20110121514
2011-05-26

Axial face seal assembly, mounting method and mounting fixture

#119
20110091319
2011-04-21

Centrifugal water pump

#120
20100254840
2010-10-07

Mechanical sealing device, and a pump

#121
20100232949
2010-09-16

Multi-stage centrifugal pump (axial face seal)

#122
20100148448
2010-06-17

Pump seal

#123
20100090412
2010-04-15

CARTRIDGE SEAL

#124
20100068031
2010-03-18

Multiple-stage centrifugal pump including a controlled leakage hydraulic balancing drum

#125
20090140494
2009-06-04

Flow Inducing Ring For a Mechanical Seal

#126
20090100589
2009-04-23

MOTOR-DRIVEN PUMP FOR POOL OR SPA

#127
20080317595
2008-12-25

Fluid pump

#128
20080273966
2008-11-06

COOLANT PUMP

#129
20080226440
2008-09-18

Centrifugal water pump

#130
20080181765
2008-07-31

Seal chamber conditioning valve for a rotodynamic pump

#131
20080166218
2008-07-10

Centrifugal pump for abrasive fluid

#132
20080112792
2008-05-15

Water pump

#133
20080008585
2008-01-10

Pump secondary seal

#134
20080008577
2008-01-10

Centrifugal pump with mechanical seal arrangement

#135
20070224036
2007-09-27

Mechanical pump seal

#136
20070172367
2007-07-26

Flow restricting devices in pumps

#137
20070140876
2007-06-21

Seal section oil seal for submersible pump assembly

#138
20060280599
2006-12-14

Centrifugal pump and a static seal thereof

#139
20060257245
2006-11-16

Solids exclusion device for a seal chamber

#140
20060177325
2006-08-10

Motor-driven pump for pool or spa

#141
20060165523
2006-07-27

Centrifugal water pump

#142
20060120900
2006-06-08

Heat conducting seal

#143
20060067815
2006-03-30

Compliant seal and system and method thereof

#144
20060038353
2006-02-23

Mechanical seal device

#145
20050232782
2005-10-20

Method for conveying a liquid F containing at least one (meth)acrylic monomer

#146
20050158195
2005-07-21

Motor-driven pump for pool or spa

#147
20050156341
2005-07-21

Method of making ceramic component containing inclusions

#148
20050134002
2005-06-23

Cartridge-type mechanical seal and back plate

#149
17867927
2023-07-25

Debris exclusion seal guard for a pump

#150
17505071
2023-02-07

Electrical submersible pump (ESP) seal section service-less flange

#151
16534043
2020-06-09

Connecting assembly for fluid dispensing pump

#152
15729388
2019-11-19

Mechanical pump seal