ClassID:

144024

F04D13/14 - CPC Classification

Classification description:

Pumping installations or systems; Combinations of two or more pumps the pumps being all of centrifugal type

Recent Application in this class:
#1
20260110304
2026-04-23

COOLING DISTRIBUTION UNIT PUMP EFFICIENCY OPTIMIZATION

#2
20260078774
2026-03-19

ELECTRONICALLY COMMUTATED MOTOR AND MODULAR ASSEMBLY HAVING SAID ELECTRONICALLY COMMUTATED MOTOR

#3
20260055771
2026-02-26

PUMPING ARRANGEMENT IN AN ELECTRICAL SUBMERSIBLE PUMP

#4
20250347294
2025-11-13

FLUID ASSEMBLY, DRIVE ASSEMBLY, FLUID CONTROL APPARATUS AND MANUFACTURING METHOD THEREFOR

#5
20250327456
2025-10-23

Twin Pump Unit Casing Having Motor Mounted Touchscreens

#6
20250290517
2025-09-18

FLUID CONTROL DEVICE AND ELECTRIC PUMP DEVICE

#7
20250290516
2025-09-18

FLUID CONTROL APPARATUS AND MANUFACTURING METHOD THEREFOR, AND DRIVING ASSEMBLY

#8
20250283470
2025-09-11

Valve Pump Unit

#9
20250243864
2025-07-31

DUAL ENGINE PARALLEL PUMPING TRAILER SYSTEM

#10
20250198265
2025-06-19

Electric Submersible Pump Assembly

#11
20250188938
2025-06-12

MOBILE EMERGENCY WATER SUPPLY AND DRAINAGE DEVICE

#12
20250163918
2025-05-22

IN-LINE PUMPING APPARATUS, SYSTEM, AND METHOD FOR INCREASING LIQUID FLOW IN GRAVITY NETWORKS

#13
20250154904
2025-05-15

FUEL CONTROL SYSTEM

#14
20250129787
2025-04-24

PUMP UNIT

#15
20250100704
2025-03-27

PUMP SYSTEM

#16
20250067259
2025-02-27

BOOSTER PUMP CONTROLLER AND METHOD OF USE

#17
20250012293
2025-01-09

ELECTRIC WATER PUMP

#18
20240229800
2024-07-11

Dual Body Variable Duty Performance Optimizing Pump Unit

#19
20240191716
2024-06-13

In-line pumping apparatus, system and method for increasing liquid flow in gravity networks

#20
20240167480
2024-05-23

DUAL ENGINE PARALLEL PUMPING TRAILER SYSTEM

#21
20240141924
2024-05-02

ASSEMBLY COMPRISING FLUID CONTROL UNITS FOR A MOTOR VEHICLE

#22
20230340959
2023-10-26

Multi-stage turbomachine

#23
20230332605
2023-10-19

Pumping System and Method of Use Thereof

#24
20230323885
2023-10-12

PUMPING ARRANGEMENT

#25
20230313802
2023-10-05

Dual body variable duty performance optimizing pump unit

#26
20230184253
2023-06-15

Electric submersible pump (ESP) assembly with load absorbing coupling

#27
20230132118
2023-04-27

Aircraft fuel system with clutched augmentor pump

#28
20230123229
2023-04-20

System and method for a simplified high pressure monobore multiport pod missile

#29
20230121945
2023-04-20

Multiple-pump device

#30
20230081667
2023-03-16

Protecting centrifugal pumps from cavitation through applied mathematical technique

#31
20230069806
2023-03-02

Heat dissipation device and cooling device

#32
20230019711
2023-01-19

Liquid cooling multi-pumping unit

#33
20220381267
2022-12-01

OVERSPEED SAFEGUARDS IN HYDRAULICALLY CONTROLLED FUEL BOOST PUMP

#34
20220325724
2022-10-13

In-line pumping apparatus, system and method for increasing liquid flow in gravity networks

#35
20220243735
2022-08-04

Pump device and cooling device

#36
20220213777
2022-07-07

Electrically-driven fracturing well site system

#37
20220136517
2022-05-05

Sealing device and integrated pump

#38
20220090602
2022-03-24

Balancing axial thrust in submersible well pumps

#39
20220039290
2022-02-03

Liquid cooling multi-pumping unit

#40
20220025890
2022-01-27

PUMP DEVICE, COOLING UNIT, AND COOLING SYSTEM

#41
20220025889
2022-01-27

PUMP GROUP COMPRISING TWO COMMAND MODULES

#42
20210388931
2021-12-16

System and method for a simplified high pressure monobore multiport pod missile

#43
20210373517
2021-12-02

Adaptive power management recognition and assignment system

#44
20210277915
2021-09-09

PUMP ASSEMBLY AND IMPROVED FAN SHROUD THEREFOR

#45
20210255676
2021-08-19

Heat exchange module and serial pump thereof

#46
20210254623
2021-08-19

Pumping device, a single-use device and a method for operating a pumping device

#47
20210239123
2021-08-05

Energy-saving optimization for a pumping plant

#48
20210228058
2021-07-29

Dishwashing appliance and electric motor for a fluid pump with a thermal-protection assembly

#49
20210123450
2021-04-29

Electric compressor system for vehicle

#50
20210025399
2021-01-28

Water pump module

#51
20200392890
2020-12-17

Hybrid driven double pump

#52
20200370568
2020-11-26

Device for protection of wastewater pumps for wet accumulation chambers

#53
20200340684
2020-10-29

Circulation pump assembly

#54
20200248697
2020-08-06

COMBINED-PURPOSE PRESSURE BOOSTER PUMP

#55
20200248695
2020-08-06

Balancing axial thrust in submersible well pumps

#56
20200182249
2020-06-11

Integrated sump pump controller with status notifications

#57
20200067376
2020-02-27

Compact, modular, pump or turbine with integral modular motor or generator and coaxial fluid flow

#58
20200063741
2020-02-27

Dual body variable duty performance optimizing pump unit

#59
20190383292
2019-12-19

Pump assembly having an axial flux electric motor

#60
20190376520
2019-12-12

Gas compression device and method for manufacturing the same

#61
20190345920
2019-11-14

Modular pumping system

#62
20190323517
2019-10-24

Centrifugal pump

#63
20190271217
2019-09-05

Integrated electric submersible pumping system with electromagnetically driven impeller

#64
20190226491
2019-07-25

Blower device and blower system equipped with blower device

#65
20190187763
2019-06-20

Pump module having two impellers in series and a multiple plate housing

#66
20190186503
2019-06-20

Systems and methods for implementing a fan array with quick connect and modular control

#67
20190121406
2019-04-25

Heat exchange module and serial pump thereof

#68
20190120234
2019-04-25

Water pumping control device and system

#69
20190063441
2019-02-28

Dual pump system

#70
20190024666
2019-01-24

Self-sensing parallel control of pumps

#71
20190017513
2019-01-17

Multi-pump control system with power consumption optimization

#72
20190017512
2019-01-17

Multi-pump control system with power consumption optimization

#73
20190017511
2019-01-17

Multi-pump control system with power consumption optimization

#74
20180363636
2018-12-20

Portable alternative-energy powered pump assembly

#75
20180346316
2018-12-06

Multiple pump system

#76
20180313271
2018-11-01

Recirculation of fluid through a turbomachine centrifugal pump

#77
20180310432
2018-10-25

Cooling systems

#78
20180216320
2018-08-02

Modular, adaptable and expandable booster pump system

#79
20180163730
2018-06-14

PUMP COMMUNICATION MODULE, PUMP SYSTEM USING SAME AND METHODS RELATED THERETO

#80
20180156223
2018-06-07

Cooling system for cooling a motorcompressor unit

#81
20180094633
2018-04-05

Pump, pump assembly and liquid cooling system

#82
20180087512
2018-03-29

Double volute end suction pump

#83
20180045202
2018-02-15

Pump system for high pressure application

#84
20180003180
2018-01-04

PUMPING ENERGY MANAGEMENT CONTROL SYSTEM

#85
20170343153
2017-11-30

Apparatus for regulating at least one fluid flow in a vehicle

#86
20170342999
2017-11-30

Centrifugal pump and fan assembly

#87
20170299123
2017-10-19

PUMP STATION AND PIPELINE OPTIMIZATION

#88
20170298939
2017-10-19

Pressure reducing rotor assembly for a pump

#89
20170254333
2017-09-07

MULTI-PUMP SYSTEM WITH SYSTEM CHECK

#90
20170212560
2017-07-27

Heat exchange module and serial pump thereof

#91
20170211576
2017-07-27

Progressive vortex pump

#92
20170184110
2017-06-29

Fluid conditioning module

#93
20170175746
2017-06-22

Integrated sump pump controller with status notifications

#94
20170150646
2017-05-25

Liquid cooling station

#95
20170102008
2017-04-13

Methods and systems for cooling a pressurized fluid with a reduced-pressure fluid

#96
20170081835
2017-03-23

METHOD FOR PUMPING A LIQUID, PUMPING STATION, AND PUMPING AREA

#97
20170058886
2017-03-02

Test and monitoring system for a pump installation

#98
20170051754
2017-02-23

DISCHARGE HEAD FOR A VERTICAL PUMP AND VERTICAL PUMP

#99
20170009773
2017-01-12

Two-Stage Centrifugal Pump

#100
20160377094
2016-12-29

Pump system and its controlling method for cleaning strainer

#101
20160338223
2016-11-17

Electronic device and liquid cooling heat dissipation structure thereof

#102
20160273540
2016-09-22

Centrifugal cooling pump for a nuclear reactor having a thermal barrier and a vaned wheel flywheel

#103
20160265534
2016-09-15

Chopper pump with mixing nozzles for a sewage wet-well

#104
20160229681
2016-08-11

Multiple pump system

#105
20160169250
2016-06-16

Pump device

#106
20160123098
2016-05-05

Downhole tool and method to boost fluid pressure and annular velocity

#107
20160097393
2016-04-07

Wakeboat with dynamic wave control

#108
20160017887
2016-01-21

Pressure reducing rotor assembly for a pump

#109
20150330412
2015-11-19

System and method for cleaning submersible motor pumps covered with suction sleeves and disposed horizontally or vertically

#110
20150308435
2015-10-29

Side-by-side dual pump and motor with control device

#111
20150300357
2015-10-22

Pump system for high pressure application

#112
20150252808
2015-09-10

In-line dual pump and motor with control device

#113
20150167657
2015-06-18

Pumping system for a wellbore and methods of assembling the same

#114
20150148972
2015-05-28

Device and method for operating parallel centrifugal pumps

#115
20150143892
2015-05-28

Test and monitoring system for a dual sump pump system

#116
20150125313
2015-05-07

Pressure compensation control of a fixed displacement pump in a pumping and metering system and associated method

#117
20150104290
2015-04-16

Supersonic compressor with separator

#118
20150078918
2015-03-19

Apparatus for compressing a wet gas flow

#119
20140271123
2014-09-18

Two pump design with coplanar interface surface

#120
20140212267
2014-07-31

Controllable coolant pump

#121
20140123381
2014-05-08

High-efficiency pump systems

#122
20140034162
2014-02-06

Multiple pump system

#123
20130327405
2013-12-12

Chopper pump with mixing nozzles for a sewage wet-well

#124
20130294928
2013-11-07

Dual pump and motor with control device

#125
20130289781
2013-10-31

System and method for pressure control in a network

#126
20130183137
2013-07-18

Centrifugal pump with secondary impeller and dual outlets

#127
20130156543
2013-06-20

Single system with integrated compressor and pump and method

#128
20130028760
2013-01-31

Pump motor combination

#129
20130017098
2013-01-17

Method for optimizing the energy of pumps

#130
20120328460
2012-12-27

Two-stage rotodynamic blood pump

#131
20120244015
2012-09-27

Systems and methods for implementing a fan array with quick connect and modular control

#132
20120060929
2012-03-15

Systems and methods for routing pressurized fluid

#133
20110200469
2011-08-18

Submersible motor pump, motor pump, and tandem mechanical seal

#134
20110176933
2011-07-21

Method for determining the functional relation of several pumps

#135
20110150676
2011-06-23

Redundant sump pump system

#136
20100297895
2010-11-25

Marine propulsion system

#137
20100186787
2010-07-29

Dishwashing machine with a pump with a brushless permanent magnet motor

#138
20100172749
2010-07-08

Wall of turbo machine and turbo machine

#139
20100168848
2010-07-01

Two-stage rotodynamic blood pump with axially movable rotor assembly for adjusting hydraulic performance characteristics

#140
20100143109
2010-06-10

Water pump for pumping coolant in a low temperature and in a high temperature circuit

#141
20100139718
2010-06-10

PUMP DEVICE FOR A DISHWASHER, AND ASSOCIATED APPARATUS

#142
20100047094
2010-02-25

AMPHIBIOUS MODULAR PUMPS

#143
20100043718
2010-02-25

Submerged motor for aquarium

#144
20090304521
2009-12-10

Synchronous torque balance in multiple pump systems

#145
20090283457
2009-11-19

Waste water management system and method

#146
20090201975
2009-08-13

Degassing centrifugal apparatus with sensor

#147
20090151801
2009-06-18

METHOD, SYSTEM AND APPARATUS FOR AN EFFICIENT DESIGN AND OPERATION OF A PUMP MOTOR

#148
20090038781
2009-02-12

Heat exchange system

#149
20080213102
2008-09-04

Fluid pump having multiple outlets for exhausting fluids having different fluid flow characteristics

#150
20080193276
2008-08-14

Stacked self-priming pump and centrifugal pump

#151
20080181792
2008-07-31

FLOATING PUMP

#152
20080099213
2008-05-01

Pump system for a firefighting vehicle

#153
20080056912
2008-03-06

Pump system and method using planetary gear assembly

#154
20080038126
2008-02-14

Assembly for transporting fluids

#155
20070264129
2007-11-15

Rollable pumping apparatus

#156
20070097784
2007-05-03

Process for the continuous production of emulsions

#157
20070059166
2007-03-15

Pump apparatus and methods of making and using same

#158
20060266532
2006-11-30

Multi-drive converter unit for driving multiple fire suppression accessories

#159
20060207659
2006-09-21

Pump system including host and satellite pumps and method of the same

#160
20060196959
2006-09-07

Integrated injection-pumping fixture for transferring heat between higher and lower-temperature loops in a hydronic heating system

#161
20060104840
2006-05-18

Electric motor pump for swimming pool maintenance

#162
20060057003
2006-03-16

Sealless pump

#163
20060016903
2006-01-26

Integrated fixture for transferring heat between higher and lower-temperature loops in a hydronic heating system

#164
20050214141
2005-09-29

Driving motor, especially for a pump

#165
20050207904
2005-09-22

Transporting method and transporting facility for easily polimerizable material

#166
20050196269
2005-09-08

Stacked self-priming pump and centrifugal pump

#167
20050188927
2005-09-01

Coolant pumps with coupling means

#168
20050103286
2005-05-19

Electric twin flow pump apparatus

#169
20050000892
2005-01-06

Sludge extractor

#170
18607255
2024-07-02

Pump station for fertilization and irrigation system and water feeding pump or fertilizer applying pump thereof

#171
18437855
2025-05-27

Efficient system for pumping low-density liquids

#172
15200020
2018-09-11

Multistage compressors and reverse compressors comprising a series of centrifugal pumps alternating flow toward and away from axle with better flow transitions between stages