ClassID:

144241

F04D29/2288 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating

Recent Application in this class:
#1
20260139685
2026-05-21

MULTI-STAGE IMPELLER USABLE WITH A COMPRESSOR AND COMPRESSOR WITH MULTI-STAGE IMPELLER

#2
20250277386
2025-09-04

SUCTION POOL CLEANER

#3
20250243872
2025-07-31

IMPELLER DESIGN FOR SUBMERSIBLE CENTRIFUGAL WASTEWATER PUMPS

#4
20250197254
2025-06-19

HYDRODYNAMIC CAVITATION SYSTEM FOR THE REMOVAL OF UNWANTED, TOXIC, OR CONTAMINATED ORGANIC AND INORGANIC COMPOUNDS

#5
20250146505
2025-05-08

SELF CLEANING CUTTER, CUTTING ASSEMBLY, AND PUMP

#6
20250116274
2025-04-10

HIGH EFFICIENCY DRILLING FLUID SHEARING PUMP USING STAGED TESLA TURBINE

#7
20240410373
2024-12-12

REVERSING POLARITY OF A PUMP ON FAILURE, AND APPLICATIONS THEREOF

#8
20240392786
2024-11-28

SEALING SOFT WATER RECOVERY APPARATUS FOR VACUUM PUMP IN VACUUM PRESSURE SWING ADSORPTION OXYGEN GENERATION SYSTEM

#9
20240175339
2024-05-30

High volume axial flow electric submersible pump (ESP) pump stage

#10
20240159246
2024-05-16

SPLIT VOLUTE FOR SUBMERSIBLE PUMP

#11
20230407878
2023-12-21

Impeller seat for a pump

#12
20230405600
2023-12-21

AN AERO ACOUSTIC PROCESSING APPARATUS AND PROCESS FOR PROCESSING WASTE

#13
20230338965
2023-10-26

AERO-ACOUSTIC MATERIALS PROCESSING APPARATUS AND METHOD

#14
20230302315
2023-09-28

APPARATUS FOR DILUTING AND APPLYING FIREFIGHTING CHEMICAL

#15
20230258188
2023-08-17

Non-clogging pump

#16
20230077333
2023-03-16

Hydrodynamic cavitation system for the removal of unwanted, toxic, or contaminated organic and inorganic compounds

#17
20230044553
2023-02-09

Impeller rotor configured with wear resistant seal land

#18
20230011208
2023-01-12

Non-clogging pump

#19
20220290695
2022-09-15

Wiping element for impeller leading edges of wastewater pumps

#20
20220268293
2022-08-25

Rotary Parts For A Slurry Pump

#21
20220105858
2022-04-07

Pump System and Method for Operating a Pump System

#22
20220065254
2022-03-03

Cutting assembly for a chopper pump

#23
20220001388
2022-01-06

Grinder accessory for pump

#24
20210396245
2021-12-23

CENTRIFIGAL AND INERTIAL PUMP ASSEMBLY

#25
20210392861
2021-12-23

Aquaculture net cleaning system

#26
20210190075
2021-06-24

Gas resistant impeller having lower upthrust for use with a centrifugal pump

#27
20210170421
2021-06-10

Special improvement package to heavy duty grinders for processing thick wastes and slick wipes in commercial and residential applications and use called a gorilla grinder

#28
20210148365
2021-05-20

Reversing grinder pump

#29
20210046433
2021-02-18

GAS DISPERSION SYSTEM

#30
20200353299
2020-11-12

Apparatus for diluting and applying firefighting chemical

#31
20200284262
2020-09-10

Progressing cavity device with cutter disks

#32
20200149533
2020-05-14

Cutting assembly for a chopper pump

#33
20200088208
2020-03-19

Semi-open centrifugal pump impeller and its optimization design

#34
20200030809
2020-01-30

PUMPING AND COMMINUTION DEVICE, METHOD OF COMMINUTING AND HEATING AN INFLOW MATERIAL, AND USE OF SAME

#35
20200011329
2020-01-09

Fluid transfer device

#36
20190353167
2019-11-21

Chopper pump with double-edged cutting bars

#37
20190321828
2019-10-24

Cutter wheel, cutter disc as well as cutter assembly suitable for grinder pumps

#38
20190218892
2019-07-18

Well debris handling system

#39
20190170154
2019-06-06

ASSEMBLY FOR REDUCING SIZE OF SUSPENDED SOLIDS

#40
20190055955
2019-02-21

Method for Treatment of a Liquid that Contains Chippings

#41
20190037815
2019-02-07

Aquaculture net cleaning system

#42
20180258937
2018-09-13

Chopper pump with double-edged cutting bars

#43
20180202453
2018-07-19

Grinder pump and cutting assembly thereof

#44
20180187404
2018-07-05

WALL-INSTALLABLE MACERATOR PUMP

#45
20180172017
2018-06-21

Rotary parts for a slurry pump

#46
20180163741
2018-06-14

Impeller for a Centrifugal Pump, and Centrifugal Pump

#47
20180119697
2018-05-03

Progressing cavity device with cutter disks

#48
20180116188
2018-05-03

Pond pump with a self-cleaning filter unit

#49
20180100508
2018-04-12

Relating to pumps

#50
20180051718
2018-02-22

Volute pump

#51
20170343006
2017-11-30

Electric centrifugal pump with containment shell grooves

#52
20170306965
2017-10-26

Cutting assembly for a chopper pump

#53
20170298940
2017-10-19

Shred and shear pump

#54
20170260993
2017-09-14

Slurry pump impeller

#55
20170260989
2017-09-14

Fluid filtration using splines

#56
20170259443
2017-09-14

Rapid polymer hydration

#57
20170227015
2017-08-10

Centrifugal pumps having anti-air-locking features

#58
20170175757
2017-06-22

Rotodynamic Pumps that Resist Clogging

#59
20170167499
2017-06-15

Centrifugal pump of the submersed or submersible type

#60
20170152853
2017-06-01

MICRONIZING DEVICE OF INTEGRATED MILLING FUNCTION AND VANE SHEARING FUNCTION

#61
20170138367
2017-05-18

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

#62
20170107653
2017-04-20

Impeller having a sweeper

#63
20170058911
2017-03-02

Centrifugal pump with serrated impeller

#64
20170042403
2017-02-16

Macerator assembly for appliances

#65
20160363123
2016-12-15

Hybrid radial axial cutter

#66
20160305440
2016-10-20

In-line continuous flow liquid-gas separator-pump

#67
20160208812
2016-07-21

Pump with cutting wheel and pre-cutter

#68
20160146214
2016-05-26

Nozzle-shaped slots in impeller vanes

#69
20160138605
2016-05-19

Debris removing impeller back vane

#70
20160108918
2016-04-21

Cutter system for pump suction

#71
20160030902
2016-02-04

Rotary impeller for mixing and grinding materials

#72
20150377255
2015-12-31

Shred and shear pump

#73
20150377254
2015-12-31

Submersible pump

#74
20150377246
2015-12-31

IMPELLER FOR A CENTRIFUGAL SLURRY PUMP

#75
20150345505
2015-12-03

Casing liner for sewage pump and sewage pump with the same

#76
20150292516
2015-10-15

Impeller for centrifugal pump and use thereof when pumping drill fluid containing cuttings

#77
20150260202
2015-09-17

PUMP DEVICE

#78
20150252815
2015-09-10

Fluid filtration using splines

#79
20150219003
2015-08-06

Dirt trap as a functional module in the impeller of a coolant pump

#80
20150211522
2015-07-30

Relating to centrifugal pump impellers

#81
20150104290
2015-04-16

Supersonic compressor with separator

#82
20150090123
2015-04-02

Froth pump and method

#83
20150023783
2015-01-22

Wastewater pump

#84
20140377055
2014-12-25

Cutter system for pump suction

#85
20140348675
2014-11-27

Pump

#86
20140178190
2014-06-26

Multiphase pumping system

#87
20140112755
2014-04-24

Pumps

#88
20140105747
2014-04-17

Centrifugal pump impellers

#89
20140079558
2014-03-20

Impeller for a centrifugal pump

#90
20140044545
2014-02-13

Slurry pump impeller

#91
20130320148
2013-12-05

IMPELLER, CENTRIFUGAL PUMP INCLUDING THE SAME, AND AIRCRAFT FUEL SYSTEM INCLUDING THE CENTRIFUGAL PUMP

#92
20130270375
2013-10-17

Grinder pump basin system

#93
20130121811
2013-05-16

Centrifugal chopper pump

#94
20130039745
2013-02-14

Centrifugal pump

#95
20120312392
2012-12-13

Pump system with vacuum source

#96
20120282085
2012-11-08

Pump impeller

#97
20120251319
2012-10-04

Chopper pump with cutting inserts

#98
20120207590
2012-08-16

Anti-airlock pump

#99
20120114462
2012-05-10

Screw-type centrifugal pump with cutting inserts

#100
20120093636
2012-04-19

TURBOMACHINE AND IMPELLER

#101
20120085688
2012-04-12

Grinder pump basin system

#102
20120037740
2012-02-16

Comminutor with screening conditioner

#103
20110280718
2011-11-17

PRESSURIZING CENTRIFUGAL PUMP

#104
20110158795
2011-06-30

Centrifugal pump impellers

#105
20110129344
2011-06-02

Slurry pump impeller

#106
20110008183
2011-01-13

Vacuum source and float valve for a self-priming pump

#107
20100232990
2010-09-16

Centrifugal discharge pump with bladed impeller for dishwashers and similar electric household appliances

#108
20100215504
2010-08-26

Pump rotor and pump comprising a pump rotor of said type

#109
20100207285
2010-08-19

Underwater aeration device

#110
20100172751
2010-07-08

Pump and pump impeller

#111
20100143098
2010-06-10

Pump assembly and method

#112
20100135765
2010-06-03

Slurry pump having impeller flow elements and a flow directing device

#113
20100092276
2010-04-15

Chopper pump

#114
20100038309
2010-02-18

Separator drum and compressor impeller assembly

#115
20100028136
2010-02-04

Centrifugal chopper pump with impeller assembly

#116
20100003124
2010-01-07

Pump with cutting impeller and pre-cutter

#117
20090324402
2009-12-31

Centrifugal pump

#118
20090208336
2009-08-20

IMPELLER WHEEL

#119
20090169374
2009-07-02

Impeller for a pump unit and associated pump unit

#120
20090169365
2009-07-02

Pump for contaminated liquid

#121
20090123270
2009-05-14

Pump for pumping liquids including solid matter

#122
20090092479
2009-04-09

Pump with cutting impeller

#123
20090090798
2009-04-09

Inducer comminutor

#124
20090087317
2009-04-02

Blade set for masserating effluent water in a sewage pump

#125
20090067992
2009-03-12

Sewage pump

#126
20080250820
2008-10-16

Drain pump

#127
20080152481
2008-06-26

Pump with cutting impeller and pre-chopper

#128
20080142340
2008-06-19

Bulk material pump feeder with reduced disk jamming

#129
20080095630
2008-04-24

BLADE WHEEL FOR A SEWAGE PUMP

#130
20070258824
2007-11-08

ROTOR FOR VISCOUS OR ABRASIVE FLUIDS

#131
20070090211
2007-04-26

Pump impeller and chopper plate for a centrifugal pump

#132
20060255194
2006-11-16

Pump impeller and chopper plate for a centrifugal pump

#133
20060157322
2006-07-20

Bulk material pump feeder with reduced disk jamming

#134
20060110261
2006-05-25

Pump System with a vacuum source coupled to a separator

#135
20050232761
2005-10-20

Sealed impeller for producing metal foam and system and method therefor

#136
20050220620
2005-10-06

Velocity profile impeller vane

#137
20050207891
2005-09-22

Impeller vane configuration for a centrifugal pump

#138
20050186065
2005-08-25

Two phase flow conditioner for pumping gassy well fluid

#139
20050129502
2005-06-16

Impeller for molten metal pump with reduced clogging

#140
20050095124
2005-05-05

Impeller and wear plate

#141
20050053461
2005-03-10

Impeller and cutting elements for centrifugal chopper pumps

#142
20050045757
2005-03-03

Pump impeller and chopper plate for a centrifugal pump

#143
20050013688
2005-01-20

Impeller and sewage treatment pump including the same

#144
18635953
2025-06-17

Grinder pump and cutting assemblies thereof

#145
18435664
2024-09-24

Externally serrated rotary shredder and submersible shredder pump having an externally serrated rotary shredder

#146
18121282
2024-12-24

Submersible pump with external slicer

#147
17496274
2022-07-26

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

#148
16045998
2019-11-26

Cutter assembly and submersible shredder pump having a cutter assembly