ClassID:

143963

F04D7/045 - CPC Classification

Classification description:

Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating

Recent Application in this class:
#1
20260146627
2026-05-28

SLURRY PUMP

#2
20260132791
2026-05-14

PUMP

#3
20250243872
2025-07-31

IMPELLER DESIGN FOR SUBMERSIBLE CENTRIFUGAL WASTEWATER PUMPS

#4
20250172159
2025-05-29

Centrifugal Pump Casing With Strainer Device Attachment

#5
20250116274
2025-04-10

HIGH EFFICIENCY DRILLING FLUID SHEARING PUMP USING STAGED TESLA TURBINE

#6
20250108345
2025-04-03

Pump device with a centrifugal pump and a mixing unit

#7
20250101681
2025-03-27

ARRANGEMENT AND METHOD FOR DEGASSING A PUMP

#8
20240410373
2024-12-12

REVERSING POLARITY OF A PUMP ON FAILURE, AND APPLICATIONS THEREOF

#9
20240392786
2024-11-28

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

#10
20240328422
2024-10-03

PUMP CASING AND PUMP

#11
20240175339
2024-05-30

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

#12
20240159246
2024-05-16

SPLIT VOLUTE FOR SUBMERSIBLE PUMP

#13
20240151241
2024-05-09

SLURRY PUMP

#14
20240139565
2024-05-02

Multi-purpose pump

#15
20240011497
2024-01-11

PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR

#16
20230407878
2023-12-21

Impeller seat for a pump

#17
20230392608
2023-12-07

Impeller seat with a guide pin for a pump

#18
20230302315
2023-09-28

APPARATUS FOR DILUTING AND APPLYING FIREFIGHTING CHEMICAL

#19
20230296098
2023-09-21

Cutting Blade Assembly

#20
20230287888
2023-09-14

Pump apparatus for reducing the size of suspended solids before pumping

#21
20230258188
2023-08-17

Non-clogging pump

#22
20230193925
2023-06-22

Drainage pump

#23
20230078088
2023-03-16

PUMP

#24
20230011208
2023-01-12

Non-clogging pump

#25
20220412859
2022-12-29

Sensing Array, System And Method For Ore Processing Equipment

#26
20220356885
2022-11-10

Inducer for a submersible pump for pumping a slurry containing solids and viscous fluids and method of designing same

#27
20220313058
2022-10-06

Blade and pump impeller assembly for a dishwasher

#28
20220268293
2022-08-25

Rotary Parts For A Slurry Pump

#29
20220145890
2022-05-12

Cutting system for a grinding pump and related grinding pump

#30
20220105858
2022-04-07

Pump System and Method for Operating a Pump System

#31
20220065254
2022-03-03

Cutting assembly for a chopper pump

#32
20220025578
2022-01-27

Arrangement and method for degassing a pump

#33
20220001388
2022-01-06

Grinder accessory for pump

#34
20210220635
2021-07-22

Centrifugal blood pump

#35
20210172459
2021-06-10

CENTRIFUGAL PUMP FOR PROCESSING MOLTEN UREA AND RELATIVE PLANT

#36
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

#37
20210148365
2021-05-20

Reversing grinder pump

#38
20210086147
2021-03-25

Rotary-pulsation device

#39
20210040957
2021-02-11

FINGER PUMP

#40
20210030254
2021-02-04

Blade and pump impeller assembly for a dishwasher

#41
20210003134
2021-01-07

Impeller for centrifugal pump, particularly for pump of the recessed impeller type, and pump with such an impeller

#42
20200370568
2020-11-26

Device for protection of wastewater pumps for wet accumulation chambers

#43
20200353299
2020-11-12

Apparatus for diluting and applying firefighting chemical

#44
20200291944
2020-09-17

Cutting blade assembly

#45
20200284262
2020-09-10

Progressing cavity device with cutter disks

#46
20200149533
2020-05-14

Cutting assembly for a chopper pump

#47
20200030809
2020-01-30

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

#48
20200011329
2020-01-09

Fluid transfer device

#49
20190353167
2019-11-21

Chopper pump with double-edged cutting bars

#50
20190321828
2019-10-24

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

#51
20190316590
2019-10-17

Vortex pump

#52
20190264690
2019-08-29

Multistage centrifugal grinder pump

#53
20190257320
2019-08-22

Finger pump

#54
20190218892
2019-07-18

Well debris handling system

#55
20190218891
2019-07-18

Well debris handling system

#56
20190170154
2019-06-06

ASSEMBLY FOR REDUCING SIZE OF SUSPENDED SOLIDS

#57
20190170145
2019-06-06

Shredding assembly for a grinder pump and centrifugal grinder pump

#58
20190154047
2019-05-23

Pump for pumping liquid as well as impeller assembly

#59
20190072116
2019-03-07

Hydraulically powered rotary actuator

#60
20190063190
2019-02-28

Well debris handling system

#61
20190059686
2019-02-28

Blade and pump impeller assembly for a dishwasher

#62
20190055955
2019-02-21

Method for Treatment of a Liquid that Contains Chippings

#63
20190054432
2019-02-21

Low shear, low velocity differential, impeller having a progressively tapered hub volume with periods formed into a bottom surface, systems and methods for suspension cell culturing

#64
20190001284
2019-01-03

System comprising a pump attached to a tank casing for mixing a fluid

#65
20180258937
2018-09-13

Chopper pump with double-edged cutting bars

#66
20180231003
2018-08-16

Method and system for injecting slurry using concentrated slurry pressurization

#67
20180209448
2018-07-26

Cavitation pump unit

#68
20180202453
2018-07-19

Grinder pump and cutting assembly thereof

#69
20180184626
2018-07-05

Contra-rotating multi-layer propeller unit for multi-phase flow

#70
20180172017
2018-06-21

Rotary parts for a slurry pump

#71
20180163741
2018-06-14

Impeller for a Centrifugal Pump, and Centrifugal Pump

#72
20180119697
2018-05-03

Progressing cavity device with cutter disks

#73
20180116188
2018-05-03

Pond pump with a self-cleaning filter unit

#74
20180106264
2018-04-19

Waste water pump

#75
20180100508
2018-04-12

Relating to pumps

#76
20180051718
2018-02-22

Volute pump

#77
20170368513
2017-12-28

Agitator having shrouded vanes for submersible pumps

#78
20170321701
2017-11-09

Liquid pump

#79
20170306965
2017-10-26

Cutting assembly for a chopper pump

#80
20170298940
2017-10-19

Shred and shear pump

#81
20170268170
2017-09-21

METHOD OF AND AN ARRANGEMENT FOR TRANSFERRING A PROCESS LIQUID, AN INDUSTRIAL FACILITY AND A METHOD OF SIMPLIFYING THE LAYOUT OF SUCH

#82
20170260993
2017-09-14

Slurry pump impeller

#83
20170241421
2017-08-24

SUBMERSIBLE DISK-TYPE PUMP FOR VISCOUS AND SOLIDS-LADEN FLUIDS HAVING HELICAL INDUCER

#84
20170175757
2017-06-22

Rotodynamic Pumps that Resist Clogging

#85
20170152853
2017-06-01

MICRONIZING DEVICE OF INTEGRATED MILLING FUNCTION AND VANE SHEARING FUNCTION

#86
20170097017
2017-04-06

Submersible pump and method of pumping fluid

#87
20170058911
2017-03-02

Centrifugal pump with serrated impeller

#88
20170036214
2017-02-09

Cutting blade assembly

#89
20170022997
2017-01-26

Pump for the conveyance of a fluid with varying viscosity

#90
20160363123
2016-12-15

Hybrid radial axial cutter

#91
20160319484
2016-11-03

Method of and an arrangement for transferring a process liquid, an industrial facility and a method of simplifying the layout of such

#92
20160265534
2016-09-15

Chopper pump with mixing nozzles for a sewage wet-well

#93
20160245290
2016-08-25

Double suction pump with agitators

#94
20160215794
2016-07-28

Pump with cutting wheel and pre-cutter

#95
20160208812
2016-07-21

Pump with cutting wheel and pre-cutter

#96
20160195091
2016-07-07

Pump for pumping liquid as well as an impeller assembly

#97
20160169250
2016-06-16

Pump device

#98
20160156303
2016-06-02

Control device and pump apparatus

#99
20160138605
2016-05-19

Debris removing impeller back vane

#100
20160108918
2016-04-21

Cutter system for pump suction

#101
20150377255
2015-12-31

Shred and shear pump

#102
20150377254
2015-12-31

Submersible pump

#103
20150377246
2015-12-31

IMPELLER FOR A CENTRIFUGAL SLURRY PUMP

#104
20150376890
2015-12-31

Intake nozzle for suction hose

#105
20150354558
2015-12-10

Volute pump

#106
20150345505
2015-12-03

Casing liner for sewage pump and sewage pump with the same

#107
20150337842
2015-11-26

Centrifugal pump with coalescing effect, design method and use thereof

#108
20150292523
2015-10-15

Conical impeller and applications thereof

#109
20150292516
2015-10-15

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

#110
20150285252
2015-10-08

GRINDER PUMP WITH REGENERATIVE IMPELLER

#111
20150260202
2015-09-17

PUMP DEVICE

#112
20150240837
2015-08-27

Liner coupling pin

#113
20150240831
2015-08-27

Lubricant retainer for pump shaft bearing assembly

#114
20150174538
2015-06-25

Double-cone pumping device

#115
20150159654
2015-06-11

System and method for continuous solids slurry depressurization

#116
20150152869
2015-06-04

GRINDER PUMP

#117
20150118024
2015-04-30

CENTRIFUGAL PUMP WITH SELF-CLEANING WEAR PLATE

#118
20150090123
2015-04-02

Froth pump and method

#119
20150064034
2015-03-05

MODULAR INTAKE FILTER SYSTEM, APPARATUS AND METHOD

#120
20150053414
2015-02-26

Open ended inverted shroud with dip tube for submersible pump

#121
20150030429
2015-01-29

Waste pump

#122
20150023783
2015-01-22

Wastewater pump

#123
20140377055
2014-12-25

Cutter system for pump suction

#124
20140356127
2014-12-04

METHOD AND PUMP FOR PUMPING HIGHLY VISCOUS FLUIDS

#125
20140341705
2014-11-20

Adjustable side liner for a pump

#126
20140199165
2014-07-17

Liquid pump

#127
20140190643
2014-07-10

Method of and an arrangement for transferring a process liquid, an industrial facility and a method of simplifying the layout of such

#128
20140178190
2014-06-26

Multiphase pumping system

#129
20140119975
2014-05-01

Screw type liquid ring pump with integrated macerator

#130
20140112755
2014-04-24

Pumps

#131
20140079558
2014-03-20

Impeller for a centrifugal pump

#132
20140064929
2014-03-06

Cutter apparatus for centrifugal pump

#133
20140027546
2014-01-30

Pump and submersible solids processing arrangement

#134
20140023485
2014-01-23

Centrifugal pump

#135
20130327405
2013-12-12

Chopper pump with mixing nozzles for a sewage wet-well

#136
20130294910
2013-11-07

Waste water pump

#137
20130280107
2013-10-24

Pump device

#138
20130270375
2013-10-17

Grinder pump basin system

#139
20130108411
2013-05-02

Cutter assembly and high volume submersible shredder pump

#140
20130039745
2013-02-14

Centrifugal pump

#141
20120312392
2012-12-13

Pump system with vacuum source

#142
20120261084
2012-10-18

System and method for the pumped feed of chips to a continuous digester

#143
20120251319
2012-10-04

Chopper pump with cutting inserts

#144
20120174400
2012-07-12

Split fan wheel and split shroud assemblies and methods of manufacturing and assemblying the same

#145
20120114462
2012-05-10

Screw-type centrifugal pump with cutting inserts

#146
20120085688
2012-04-12

Grinder pump basin system

#147
20120051905
2012-03-01

Pump designed for installation conversion

#148
20120051897
2012-03-01

Wear reduction device for rotary solids handling equipment

#149
20120037740
2012-02-16

Comminutor with screening conditioner

#150
20120020777
2012-01-26

DURABLE PUMPS FOR ABRASIVES

#151
20120001444
2012-01-05

Improvements relating to pump seal assemblies

#152
20110194926
2011-08-11

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

#153
20110164973
2011-07-07

Pump housing support

#154
20110164841
2011-07-07

Lubricant retainer for pump shaft bearing assembly

#155
20110158800
2011-06-30

Liner coupling pin

#156
20110142599
2011-06-16

Adjustable side liner for a pump

#157
20110109171
2011-05-12

Wattmeter circuit for operating a grinder pump assembly to inhibit operating under run dry or blocked conditions

#158
20110049280
2011-03-03

Cutting wheels for grinder pumps

#159
20110008183
2011-01-13

Vacuum source and float valve for a self-priming pump

#160
20100215504
2010-08-26

Pump rotor and pump comprising a pump rotor of said type

#161
20100172751
2010-07-08

Pump and pump impeller

#162
20100162889
2010-07-01

Combined pumping and separating machine for the oil circuit of a turbojet

#163
20100143098
2010-06-10

Pump assembly and method

#164
20100135765
2010-06-03

Slurry pump having impeller flow elements and a flow directing device

#165
20100092276
2010-04-15

Chopper pump

#166
20100047094
2010-02-25

AMPHIBIOUS MODULAR PUMPS

#167
20100028136
2010-02-04

Centrifugal chopper pump with impeller assembly

#168
20100003124
2010-01-07

Pump with cutting impeller and pre-cutter

#169
20090324402
2009-12-31

Centrifugal pump

#170
20090232639
2009-09-17

Wear plate for a centrifugal pump

#171
20090169365
2009-07-02

Pump for contaminated liquid

#172
20090123270
2009-05-14

Pump for pumping liquids including solid matter

#173
20090092479
2009-04-09

Pump with cutting impeller

#174
20090081050
2009-03-26

PUMP SYSTEM

#175
20090067992
2009-03-12

Sewage pump

#176
20090050721
2009-02-26

Pump assemblies having a quick-release latching mechanism and methods for securing pump assemblies in a tank

#177
20080290011
2008-11-27

Wireless liquid level sensing assemblies and grinder pump assemblies employing the same

#178
20080267773
2008-10-30

Multistage slurry pump

#179
20080256773
2008-10-23

Split fan wheel and split shroud assemblies and methods of manufacturing and assembling the same

#180
20080236160
2008-10-02

Continuous flow sonic reactor and method

#181
20080159847
2008-07-03

Centrifugal Pump With Screw Pump Accelerator and Reverse Flow Vane

#182
20080152481
2008-06-26

Pump with cutting impeller and pre-chopper

#183
20080142340
2008-06-19

Bulk material pump feeder with reduced disk jamming

#184
20080095630
2008-04-24

BLADE WHEEL FOR A SEWAGE PUMP

#185
20080008577
2008-01-10

Centrifugal pump with mechanical seal arrangement

#186
20070274820
2007-11-29

Centrifugal pump

#187
20070258824
2007-11-08

ROTOR FOR VISCOUS OR ABRASIVE FLUIDS

#188
20070193635
2007-08-23

Rotary pump, hydrodynamic mixer with a rotary pump, and also the use of the rotary pump for the processing of fluids

#189
20070164136
2007-07-19

Cutting tool pertaining to a centrifugal pump

#190
20070125893
2007-06-07

Cutting ring element for a centrifugal chopper pump

#191
20070102547
2007-05-10

Sewage pump

#192
20070090211
2007-04-26

Pump impeller and chopper plate for a centrifugal pump

#193
20070069052
2007-03-29

Split fan wheel and split shroud assemblies and methods of manufacturing and assembling the same

#194
20070069050
2007-03-29

Two stage sewage grinder pump

#195
20070028963
2007-02-08

High viscosity fluid transfer apparatus

#196
20060266856
2006-11-30

Cutting ring element for a centrifugal chopper pump

#197
20060255194
2006-11-16

Pump impeller and chopper plate for a centrifugal pump

#198
20060182627
2006-08-17

Hydraulic submersible mud pump

#199
20060157322
2006-07-20

Bulk material pump feeder with reduced disk jamming

#200
20060110261
2006-05-25

Pump System with a vacuum source coupled to a separator

#201
20060060685
2006-03-23

Grinder pump system

#202
20050268499
2005-12-08

Method and apparatus for pumping with a dredge

#203
20050265865
2005-12-01

Pump with turbulence inducing tab

#204
20050238479
2005-10-27

Centrifugal pump with screw pump accelerator

#205
20050100440
2005-05-12

Pump for molten materials with suspended solids

#206
20050095124
2005-05-05

Impeller and wear plate

#207
20050053494
2005-03-10

Open face cooling system for submersible motor

#208
20050053461
2005-03-10

Impeller and cutting elements for centrifugal chopper pumps

#209
20050047908
2005-03-03

Apparatus for axial adjustment of chopper pump clearances

#210
20050045757
2005-03-03

Pump impeller and chopper plate for a centrifugal pump

#211
19233303
2026-05-19

Submersible pump with external slicer

#212
18635953
2025-06-17

Grinder pump and cutting assemblies thereof

#213
18435664
2024-09-24

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

#214
18121282
2024-12-24

Submersible pump with external slicer

#215
18054358
2023-12-05

Split volute for submersible pump

#216
17658484
2023-04-25

Internal combustion submersible dredging system

#217
17496274
2022-07-26

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

#218
16380593
2020-10-27

Dual stage grinder pump

#219
16045998
2019-11-26

Cutter assembly and submersible shredder pump having a cutter assembly

#220
15793828
2018-10-23

Electric submersible motor thrust bearing system