ClassID:

144201

F04D29/106 - CPC Classification

Classification description:

Details, component parts, or accessories; Sealings; Shaft sealings especially adapted for liquid pumps

Sub-classes:
Recent Application in this class:
#1
20260132802
2026-05-14

PUMPING STATION FOR A TANK PUMP

#2
20260117786
2026-04-30

SACRIFICIAL ANODE ASSEMBLY FOR A SEAL SECTION OF AN ELECTRIC SUBMERSIBLE PUMP (ESP) ASSEMBLY

#3
20260117782
2026-04-30

PUMP UNIT, PUMP SYSTEM, AND PUMP SYSTEM OPERATION METHOD

#4
20260007874
2026-01-08

PUMP FOR DELIVERING A FLUID AND METHOD OF MANUFACTURING A PUMP

#5
20250198410
2025-06-19

PERMANENT MAGNET MOTOR

#6
20250092769
2025-03-20

DETERMINING ANGULAR POSITION OF A ROTOR IN A DOWNHOLE ELECTRIC SUBMERSIBLE PUMP (ESP) ELECTRIC MOTOR

#7
20250067267
2025-02-27

FLUID PRESSURE COMPENSATION APPARATUS

#8
20250052246
2025-02-13

PUMP ASSEMBLY

#9
20250003417
2025-01-02

Centrifugal Pump Having a Cooling Insert

#10
20240401603
2024-12-05

IMPELLER AND PUMP

#11
20240401602
2024-12-05

BREATHER TUBE FOR LABYRINTH SEAL CHAMBER

#12
20240301775
2024-09-12

ELECTRIC SUBMERSIBLE PUMP SYSTEMS

#13
20240263637
2024-08-08

ELECTRIC COOLANT PUMP WITH EXPANSION COMPENSATING SEAL

#14
20240247660
2024-07-25

Sacrificial anode assembly for a seal section of an electric submersible pump (ESP) assembly

#15
20240229813
2024-07-11

Rotary machine and primary motor-pump assembly provided with this rotary machine

#16
20240218971
2024-07-04

OIL CIRCUIT DESIGN, OIL SUPPLY METHOD AND DOUBLE CIRCUIT OIL PUMP FOR WHEEL END ELECTRIC DRIVE AXLE LUBRICATION

#17
20240198084
2024-06-20

PUMP FOR DELIVERING A FLUID AND METHOD OF MANUFACTURING A PUMP

#18
20230400029
2023-12-14

Permanent magnet motor

#19
20230349393
2023-11-02

PUMP WITH IMPELLER FOR CIRCULATING COOLING FLUID AND RELATED IMPELLER

#20
20230243363
2023-08-03

Delivery device for delivering a liquid

#21
20230167723
2023-06-01

Electric submersible pump systems

#22
20230160393
2023-05-25

Stuffing box for vertical pumps

#23
20230064556
2023-03-02

Integrated pressurized pump shaft seal assembly and method of use thereof

#24
20220403846
2022-12-22

Molten metal pump

#25
20220349417
2022-11-03

Systems and methods for mapping hardware FIFO to processor address space

#26
20220316465
2022-10-06

Submersible pump with barrier fluid isolation of motor lubricating liquid from pumped product

#27
20220290683
2022-09-15

Electric coolant pump with expansion compensating seal

#28
20220259957
2022-08-18

SHAPE MEMORY ALLOY SEAL BLADDER CLAMP RINGS

#29
20220163045
2022-05-26

Pump gland with rotary dynamic seal

#30
20220154733
2022-05-19

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

#31
20220099103
2022-03-31

Mechanical Seal Including Recovery Port For Use With Pumps

#32
20220056814
2022-02-24

Pressure seal assembly

#33
20220049711
2022-02-17

Tandem seal pump

#34
20220018354
2022-01-20

Seal structure of drive device

#35
20210372422
2021-12-02

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

#36
20210348488
2021-11-11

Motor drive shaft spring clutch in electrical submersible pump

#37
20210340993
2021-11-04

Centrifugal compressor

#38
20210332821
2021-10-28

High-lift shielded permanent magnet multistage pump and control method

#39
20210324862
2021-10-21

CENTRIFUGAL PUMP FOR CONVEYING A FLUID

#40
20210269132
2021-09-02

FLUID MACHINE WITH IMPELLER DRIVEN VIA ITS RIM

#41
20210236803
2021-08-05

Pump for delivering a fluid and method of manufacturing a pump

#42
20210164473
2021-06-03

Coolant pump having a use-optimised structure and improved thermal efficiency

#43
20210156392
2021-05-27

Integrated pressurized pump shaft seal assembly and method of use thereof

#44
20210095685
2021-04-01

PUMP SHAFT WITH FASTENING BOLTS

#45
20210079920
2021-03-18

Coolant pump having an optimized bearing assembly and improved heat balance

#46
20210071679
2021-03-11

Coolant pump with application-optimised design

#47
20200408219
2020-12-31

PUMP AND SEALING SYSTEM

#48
20200395139
2020-12-17

METHODS AND APPARATUSES FOR PUMP SEALING DURING LEAKAGE EVENTS

#49
20200362875
2020-11-19

Dual volute coolant pump

#50
20200325907
2020-10-15

Vertical pump structure

#51
20200309135
2020-10-01

High Flow and Low NPSHr Horizontal Pump with Priming Module

#52
20200263693
2020-08-20

Slurry seal assembly

#53
20200003221
2020-01-02

Shaft seal

#54
20190383302
2019-12-19

Bearing packing and feed pump

#55
20190353085
2019-11-21

Thermal management module

#56
20190309757
2019-10-10

Apparatus, systems and methods for protecting pumps

#57
20190309755
2019-10-10

INVERTED ELECTRICAL SUBMERSIBLE PUMP AND PUMPING SYSTEM

#58
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

#59
20190292974
2019-09-26

Coolant pump for an internal combustion engine

#60
20190271318
2019-09-05

Centrifugal pump flow modifier

#61
20190242395
2019-08-08

Pumps with a waterproof structure

#62
20190145421
2019-05-16

Shaft-sealing device

#63
20190145320
2019-05-16

Seal segment and rotary machine

#64
20190136863
2019-05-09

Labyrinth seal

#65
20190136766
2019-05-09

Seal segment and rotary machine

#66
20190128275
2019-05-02

Wear ring for use in a pump

#67
20190113038
2019-04-18

Magnetic drive pump

#68
20190107116
2019-04-11

Stepped slinger

#69
20190078576
2019-03-14

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

#70
20190078569
2019-03-14

Slurry seal assembly

#71
20190024659
2019-01-24

Vane pump seal

#72
20180347570
2018-12-06

Regenerative pump start stage for high speed centrifugal fuel pump

#73
20180306200
2018-10-25

Wear ring for use in a pump

#74
20180274345
2018-09-27

ESP SYSTEM SURFACE CONTROLS ENCLOSURE

#75
20180266428
2018-09-20

Turbomachine with a balance drum and sleeve arrangement and method

#76
20180216625
2018-08-02

Shaft seal device and vertical pump with this shaft seal device

#77
20180216448
2018-08-02

MOTOR PROTECTOR OF AN ELECTRIC SUBMERSIBLE PUMP AND AN ASSOCIATED METHOD THEREOF

#78
20180187691
2018-07-05

One-piece labyrinth disc chamber for centrifugal well pump

#79
20180187677
2018-07-05

Vane pump seal

#80
20180180056
2018-06-28

VERTICAL SUSPENDED CENTRIFUGAL PUMP

#81
20180100543
2018-04-12

Permanent magnet thrust bearing

#82
20180087521
2018-03-29

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

#83
20180045193
2018-02-15

Sealed eccentric drive for submersible pump

#84
20170363102
2017-12-21

Shaft Seal

#85
20170328374
2017-11-16

Sealing device for an immersible pump

#86
20170321806
2017-11-09

Mechanical seal protector for ESP seal sections

#87
20170260991
2017-09-14

Turbomachine

#88
20170241428
2017-08-24

Seal assembly for abrasion resistant bearing of centrifugal pump

#89
20170234327
2017-08-17

Magnetic drive pump

#90
20170234326
2017-08-17

Magnetic drive pump

#91
20170234321
2017-08-17

Load sharing spring for tandem thrust bearings of submersible pump assembly

#92
20170218970
2017-08-03

A METHOD OF PUMPING A LIQUID MEDIUM, A CENTRIFUGAL PUMP AND AN IMPELLER THEREFOR

#93
20170211580
2017-07-27

Systems and methods for split coupled pump and jacking gland

#94
20170191480
2017-07-06

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

#95
20170167499
2017-06-15

Centrifugal pump of the submersed or submersible type

#96
20170146029
2017-05-25

Multistage centrifugal pump

#97
20170146019
2017-05-25

Multistage centrifugal pump with shaft hydraulic force compensation

#98
20170122324
2017-05-04

Pump drive unit for conveying a process fluid

#99
20170108002
2017-04-20

Fluid pump

#100
20170030366
2017-02-02

LUBE OIL RECOVERY SYSTEM FOR GEOTHERMAL LINESHAFT PUMP

#101
20170002838
2017-01-05

Water pump bearing with active condensate purging system

#102
20170002825
2017-01-05

BALANCE PISTON WITH A SEALING MEMBER

#103
20160344245
2016-11-24

ENCAPSULATED ROTOR FOR PERMANENT MAGNET SUBMERSIBLE MOTOR

#104
20160341208
2016-11-24

SEAL ADJUSTMENT DEVICE FOR AN OPERATING PUMP

#105
20160327053
2016-11-10

INTEGRATED PRESSURIZED PUMP SHAFT SEAL ASSEMBLY AND METHOD OF USE THEREOF

#106
20160319831
2016-11-03

Water pump and method for producing water pump

#107
20160312785
2016-10-27

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

#108
20160298637
2016-10-13

Apparatus, systems and methods for protecting pumps

#109
20160273544
2016-09-22

Adjustment mechanism for pump seal

#110
20160238009
2016-08-18

ENCLOSED DOUBLE SUCTION PUMP

#111
20160228843
2016-08-11

System and method for seal flush

#112
20160177964
2016-06-23

Spiral flow constant pressure pump

#113
20160138605
2016-05-19

Debris removing impeller back vane

#114
20160108918
2016-04-21

Cutter system for pump suction

#115
20160097392
2016-04-07

Pump assembly for appliance

#116
20160076550
2016-03-17

Redundant ESP Seal Section Chambers

#117
20160061211
2016-03-03

Mechanical seal lubrication system

#118
20160040681
2016-02-11

THERMAL RETRACTING ACTUATOR

#119
20160010439
2016-01-14

Apparatus and system for sealing submersible pump assemblies

#120
20150377358
2015-12-31

High temperature subsea dynamic seals

#121
20150354706
2015-12-10

Lip seal for water pump

#122
20150354583
2015-12-10

Centrifugal pump with governor actuated seal

#123
20150330400
2015-11-19

Metal bellows seal section and method to evacuate air during filling

#124
20150260190
2015-09-17

HIGH EFFICIENCY LOW SPECIFIC SPEED CENTRIFUGAL PUMP

#125
20150240837
2015-08-27

Liner coupling pin

#126
20150240831
2015-08-27

Lubricant retainer for pump shaft bearing assembly

#127
20150184671
2015-07-02

Apparatus and system for sealing submersible pump assemblies

#128
20150086343
2015-03-26

High damping labyrinth seal with helicoidal and helicoidal-cylindrical mixed pattern

#129
20150035232
2015-02-05

Adjustment mechanism for pump seal

#130
20140377055
2014-12-25

Cutter system for pump suction

#131
20140369817
2014-12-18

Guard for a rotary pump

#132
20140341705
2014-11-20

Adjustable side liner for a pump

#133
20140322038
2014-10-30

Pump Motor Protector with Redundant Shaft Seal

#134
20140308142
2014-10-16

Pump including gap arrangement for improved pumping of solid matter

#135
20140219825
2014-08-07

High temperature motor seal for artificial lift system

#136
20140169942
2014-06-19

Water pump

#137
20140116513
2014-05-01

System and method for seal flush

#138
20140072463
2014-03-13

PUMP WITH DRY RUN PROTECTION

#139
20140028119
2014-01-30

Encapsulated rotor for permanent magnet submersible motor

#140
20140008873
2014-01-09

Sealing device

#141
20140003981
2014-01-02

Pump Device

#142
20140003921
2014-01-02

Remanufactured pump and pump remanufacturing method

#143
20130294910
2013-11-07

Waste water pump

#144
20130209295
2013-08-15

Pump seal

#145
20130189084
2013-07-25

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

#146
20130170594
2013-07-04

Methods and apparatuses for pump sealing during leakage events

#147
20130115053
2013-05-09

Magnetic drive pump

#148
20130064648
2013-03-14

Water pump

#149
20130058767
2013-03-07

Centrifugal pump, a shaft sleeve and a stationary seal member

#150
20130022447
2013-01-24

Centrifugal pump for de-watering

#151
20130004344
2013-01-03

Well pump with seal section having a labyrinth flow path in a metal bellows

#152
20120321489
2012-12-20

Water Pump

#153
20120315162
2012-12-13

Sealing device for an immersible pump

#154
20120298926
2012-11-29

Composite materials, production thereof and use thereof in electrical cells

#155
20120263574
2012-10-18

Pressure compensating wet seal chamber

#156
20120251293
2012-10-04

Fully enclosed seal and bearing assembly for between-bearing pumps

#157
20120187788
2012-07-26

Watertight apparatus for an underwater motor

#158
20120163956
2012-06-28

Pressure compensating wet seal chamber

#159
20120121448
2012-05-17

Electric pump for vehicle

#160
20120020785
2012-01-26

Shaft-sealing device

#161
20120001444
2012-01-05

Improvements relating to pump seal assemblies

#162
20110164973
2011-07-07

Pump housing support

#163
20110164841
2011-07-07

Lubricant retainer for pump shaft bearing assembly

#164
20110158800
2011-06-30

Liner coupling pin

#165
20110150630
2011-06-23

Water pump for vehicle and bearing structure

#166
20110142599
2011-06-16

Adjustable side liner for a pump

#167
20110052375
2011-03-03

Bearing system for rotor in rotating machines

#168
20100294216
2010-11-25

WATER PUMP HAVING A RESERVOIR

#169
20100284804
2010-11-11

Vertical submerged pump for chemical application

#170
20100225065
2010-09-09

Compact restictive seal for bearing housings

#171
20100202896
2010-08-12

Pump motor protector with redundant shaft seal

#172
20100187764
2010-07-29

SEAL CAVITY PROTECTION

#173
20100119367
2010-05-13

Sealing device for rotary fluid machine, and rotary fluid machine

#174
20100111711
2010-05-06

Downhole electrical submersible pump seal

#175
20100052264
2010-03-04

COMPACT RESTRICTIVE SEAL FOR BEARING HOUSINGS

#176
20090140494
2009-06-04

Flow Inducing Ring For a Mechanical Seal

#177
20090116960
2009-05-07

Centrifugal pump, a shaft sleeve and a stationary seal member

#178
20090110574
2009-04-30

Centrifugal pump systems

#179
20090100589
2009-04-23

MOTOR-DRIVEN PUMP FOR POOL OR SPA

#180
20090045589
2009-02-19

Bushing and Lantern Ring for Rotary Fluid Pumping Equipment

#181
20090041597
2009-02-12

Combined Seal Head and Pump Intake for Electrical Submersible Pump

#182
20080317595
2008-12-25

Fluid pump

#183
20080273966
2008-11-06

COOLANT PUMP

#184
20080265519
2008-10-30

Device for a rotating gland seal

#185
20080112792
2008-05-15

Water pump

#186
20080044279
2008-02-21

Adaptor Frame

#187
20080044274
2008-02-21

Bearing housing seal system for centrifugal pumps

#188
20080008585
2008-01-10

Pump secondary seal

#189
20070297901
2007-12-27

Seal Apparatus for a Water Pump, Rotation-support Apparatus for a Water Pump, and a Water Pump

#190
20070281560
2007-12-06

Seal pressure vent system for a waterjet apparatus

#191
20070277969
2007-12-06

Seal section for electrical submersible pump

#192
20070176372
2007-08-02

Composite material and seals formed thereof

#193
20070172367
2007-07-26

Flow restricting devices in pumps

#194
20070170657
2007-07-26

Stuffing box bushing, assembly and method of manufacture

#195
20070075501
2007-04-05

Externally mountable spiral adaptor

#196
20060280599
2006-12-14

Centrifugal pump and a static seal thereof

#197
20060257245
2006-11-16

Solids exclusion device for a seal chamber

#198
20060177325
2006-08-10

Motor-driven pump for pool or spa

#199
20060051198
2006-03-09

Sealing system for slurry pump

#200
20050285348
2005-12-29

Seal cavity throat protectors

#201
20050244091
2005-11-03

Gap-forming element for mounting on a shaft

#202
20050238511
2005-10-27

Water pump

#203
20050232794
2005-10-20

Support bearing for a vertically arranged centrifugal pump

#204
20050158195
2005-07-21

Motor-driven pump for pool or spa

#205
20050152780
2005-07-14

Double motor seal for a close coupled centrifugal pump

#206
20050104299
2005-05-19

Seal device for water pump, rotation supporting device for water pump and assembly method for water pump

#207
20050087935
2005-04-28

Externally mountable spiral adaptor

#208
20050063843
2005-03-24

Submersible pump

#209
20050040604
2005-02-24

Bushing arrangement for seal cavity protection in rotating fluid equipment

#210
17496274
2022-07-26

Dual cutter assembly and submersible shredder pump having a dual cutter assembly

#211
16045998
2019-11-26

Cutter assembly and submersible shredder pump having a cutter assembly

#212
15793828
2018-10-23

Electric submersible motor thrust bearing system

#213
14018854
2016-09-06

Liquid sealed pump