ClassID:

144027

F04D15/0005 - CPC Classification

Classification description:

Control, e.g. regulation, of pumps, pumping installations or systems by using valves

Sub-classes:
Recent Application in this class:
#1
20260139677
2026-05-21

AUTOMATIC EXHAUST MECHANISM

#2
20260036147
2026-02-05

STACKED AIR-PULSE GENERATING DEVICE

#3
20260009387
2026-01-08

Valve Pump Unit

#4
20250347294
2025-11-13

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

#5
20250283470
2025-09-11

Valve Pump Unit

#6
20250198414
2025-06-19

AUTOMATIC EXHAUST MECHANISM

#7
20250198413
2025-06-19

AUTOMATIC EXHAUST MECHANISM

#8
20250198412
2025-06-19

AUTOMATIC EXHAUST MECHANISM

#9
20250198411
2025-06-19

AUTOMATIC EXHAUST MECHANISM

#10
20250154962
2025-05-15

PUMP HOUSING WITH AN INTERIOR FOR ACCOMMODATING A PUMP ROTOR

#11
20240410374
2024-12-12

FLUID TRANSPORTATION NETWORK AND METHOD

#12
20240392791
2024-11-28

PRESSURE CONTROLLED PUMP SYSTEMS

#13
20240337274
2024-10-10

Adjusting apparatus for improving anti-cavitation effect of water pump and control method thereof

#14
20240209860
2024-06-27

HYDRAULIC SYSTEM FOR A HOUSEHOLD APPLIANCE

#15
20240209778
2024-06-27

METHODS, SYSTEMS, AND APPARATUS TO CONTROL A FLUID PROVIDED TO COMPONENTS IN A FLUID PUMP OF A CLOSED LOOP SYSTEM

#16
20240117808
2024-04-11

PUMP APPARATUS AND SYSTEM

#17
20240077081
2024-03-07

TWO-PHASE LIQUID-GAS FLOW SYSTEM FOR TESTING ELECTRICAL SUBMERSIBLE PUMPS

#18
20240068481
2024-02-29

MULTIPORT FLUID PUMP WITH RESERVE CAPACITY IMPELLER

#19
20240068478
2024-02-29

VARIABLE SPEED HYDRAULIC MOTOR DRIVEN FUEL SYSTEMS

#20
20240035477
2024-02-01

Integrated water pump and valve device

#21
20240003362
2024-01-04

THROTTLE VALVE FOR COOLANT CIRCULATION SYSTEM

#22
20230417463
2023-12-28

APPARATUS FOR CONNECTION TO AN HVAC-R SYSTEM DURING MAINTENANCE OR COMMISSIONING AND METHODS OF MAINTENANCE OR COMMISSIONING FOR AN HVAC-R SYSTEM

#23
20230374999
2023-11-23

Pump housing with an interior for accommodating a pump rotor

#24
20230340964
2023-10-26

Sand protection device for downhole pump

#25
20230313800
2023-10-05

Multifunctional pump assembly

#26
20230220848
2023-07-13

VACUUM PUMP AND VACUUM PUMP CLEANING SYSTEM

#27
20230194005
2023-06-22

Hydraulic valve device and centrifugal pump assembly including such hydraulic valve device

#28
20230151818
2023-05-18

COMPRESSOR ASSEMBLY INCLUDING A FLOW-RESTRICTING VALVE

#29
20230049932
2023-02-16

Centrifugal pump

#30
20230011820
2023-01-12

MULTISTAGE CENTRIFUGAL PUMP

#31
20220379717
2022-12-01

Thermal management assembly of a vehicle

#32
20220349408
2022-11-03

Liquid suck-back system and liquid suck-back method

#33
20220316498
2022-10-06

Submersible pump apparatus

#34
20220268290
2022-08-25

Pump housing with an interior for accommodating a pump rotor

#35
20220252072
2022-08-11

Liquefied gas unloading and deep evacuation system

#36
20220220977
2022-07-14

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

#37
20220170677
2022-06-02

APPARATUS FOR CONNECTION TO AN HVAC-R SYSTEM DURING MAINTENANCE OR COMMISSIONING AND METHODS OF MAINTENANCE OR COMMISSIONING FOR AN HVAC-R SYSTEM

#38
20220056914
2022-02-24

High-low system for balers, compactors and transfer station compactors

#39
20220049702
2022-02-17

Dual priming system for a pump

#40
20220025903
2022-01-27

Turbine pump assembly with turbine exhaust cooled heat exchanger for active hydraulic oil

#41
20220025738
2022-01-27

Fallback prevention valve apparatus, system and method

#42
20210396240
2021-12-23

Centrifugal pump device

#43
20210372416
2021-12-02

Remote control smart blower

#44
20210363998
2021-11-25

Density gas separation appartus for electric submersible pumps

#45
20210340985
2021-11-04

System for pumping a fluid and method for its operation

#46
20210277902
2021-09-09

REGENERATIVE PUMP START AND ACTUATION STAGE FOR HIGH-SPEED CENTRIFUGAL FUEL PUMP

#47
20210270274
2021-09-02

Multiphase flow loop for pump performance evaluation

#48
20210220684
2021-07-22

SUBMERSIBLE WATER LIFTING ASSEMBLY AND AUTOMATIC FIRE FIGHTING SYSTEM FOR UNMANNED PLATFORMS HAVING SAID SYSTEM

#49
20210199120
2021-07-01

Pump housing with an interior for accommodating a pump rotor

#50
20210140437
2021-05-13

Flow path conversion pump

#51
20210123440
2021-04-29

Pump assemblies configured for drive and pump end interchangeability

#52
20210079921
2021-03-18

Test system fluid evacuation

#53
20210062814
2021-03-04

Liquefied gas unloading and deep evacuation system

#54
20210025400
2021-01-28

Device for protecting an electric pump against overpressures

#55
20210010477
2021-01-14

Centrifugal pump unit and method for moving a valve element in a pump unit

#56
20200378387
2020-12-03

Micropump

#57
20200347946
2020-11-05

AIR RELEASE VALVE

#58
20200324737
2020-10-15

Washer fluid pump

#59
20200306401
2020-10-01

ENCLOSED VESSEL SANITATION SYSTEM

#60
20200277968
2020-09-03

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

#61
20200271130
2020-08-27

Compressor

#62
20200200180
2020-06-25

Air pump for an inflatable body

#63
20200182309
2020-06-11

Viscous coupling for a coolant pump

#64
20200166427
2020-05-28

SUBSEA VALVE, FLOW SYSTEM AND METHOD OF USE

#65
20200158115
2020-05-21

INERTIA VACUUM ASSISTED SELF-PRIMING PUMP

#66
20200116161
2020-04-16

Centrifugal pump assembly

#67
20200095997
2020-03-26

BRUSHLESS MOTOR INTEGRATED PUMP

#68
20200088201
2020-03-19

Multiphase pump

#69
20200080549
2020-03-12

Vacuum pumping arrangement

#70
20200072238
2020-03-05

Pump assembly

#71
20200072223
2020-03-05

Centrifugal pump assembly

#72
20200061287
2020-02-27

Vented reservoir for medical pump

#73
20200011335
2020-01-09

Variable inlet conductance vacuum pump, vacuum pump arrangement and method

#74
20190360302
2019-11-28

Fallback prevention valve apparatus, system and method

#75
20190328959
2019-10-31

Method and system for detecting malfunction of a MEMS micropump

#76
20190257313
2019-08-22

Water pump

#77
20190249674
2019-08-15

COMBINED SUMP PUMP WITH A BACKUP PUMP STRUCTURE

#78
20190203725
2019-07-04

Impeller pump

#79
20190136860
2019-05-09

Blower system for blowing fluid off of a passing vehicle

#80
20190113039
2019-04-18

Water Distribution Network

#81
20190101130
2019-04-04

Pump housing with an interior for accommodating a pump rotor

#82
20190085847
2019-03-21

Multi-pump system with system check

#83
20190063441
2019-02-28

Dual pump system

#84
20190048945
2019-02-14

Viscous coupling for a coolant pump

#85
20180347831
2018-12-06

Pump device, industrial water system, method for operating an industrial water system, and self-teaching method for a delivery pump in an industrial water system

#86
20180140768
2018-05-24

Vented reservoir for medical pump

#87
20180080167
2018-03-22

Discharge/recirculation system for household appliances

#88
20180073509
2018-03-15

Centrifugal pump assembly

#89
20180003181
2018-01-04

Safety vacuum release system

#90
20180003180
2018-01-04

PUMPING ENERGY MANAGEMENT CONTROL SYSTEM

#91
20170363086
2017-12-21

MODIFIED OIL PUMP FOR USE IN NON-OIL TRANSPORT

#92
20170356449
2017-12-14

Hydraulic system

#93
20170336081
2017-11-23

Hydraulic system

#94
20170328366
2017-11-16

Centrifugal pump

#95
20170307462
2017-10-26

Subsea Valve, Flow System and Method of Use

#96
20170298966
2017-10-19

Magnetically controlled valve and pump devices and methods of using the same

#97
20170284551
2017-10-05

Water pump with check valve

#98
20170204863
2017-07-20

Turbine pump assembly with vacuum purged centrifugal impeller shrouds

#99
20170184110
2017-06-29

Fluid conditioning module

#100
20170159673
2017-06-08

Centrifugal pump with high and low inlet configurations

#101
20170107987
2017-04-20

Actuation method and efficiency

#102
20170102008
2017-04-13

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

#103
20170058886
2017-03-02

Test and monitoring system for a pump installation

#104
20170037856
2017-02-09

Integral pump pressure relief valve

#105
20160377045
2016-12-29

Energy-generating pump

#106
20160327047
2016-11-10

SELFPRIMING SYSTEM HAVING VALVE FOR A CENTRIFUGAL PUMP

#107
20160271324
2016-09-22

Vented reservoir for medical pump

#108
20160138595
2016-05-19

SUBSEA FLUID PROCESSING SYSTEM WITH INTERMEDIATE RE-CIRCULATION

#109
20160123351
2016-05-05

Boosting system, and boosting method of gas

#110
20160123288
2016-05-05

Multiple stage fuel pump

#111
20160047385
2016-02-18

Valve and pump arrangement with valve

#112
20160017701
2016-01-21

Below motor equalizer of electrical submersible pump and method for connecting

#113
20150337843
2015-11-26

Below motor equalizer of electrical submersible pump and method for filling

#114
20150301534
2015-10-22

Pipeline system for fluids

#115
20150240953
2015-08-27

Three-dimensional flow-optimized control slider system with linear control behavior

#116
20150240801
2015-08-27

Enhanced method for controlling a pumping station within a fluid circulation system, related circulation system and pumping station for realizing said method

#117
20150211528
2015-07-30

Method for controlling a circulation pump in an installation comprising at least two circulation circuits

#118
20150159654
2015-06-11

System and method for continuous solids slurry depressurization

#119
20150144818
2015-05-28

Test and monitoring system for a sump pump installation having a self-protecting valve assembly for admitting water to the sump container

#120
20150143900
2015-05-28

Test and monitoring system for a sump pump installation having a self-monitoring liquid level sensing module

#121
20150143897
2015-05-28

Battery-powered backup power system for a sump pump installation

#122
20150143896
2015-05-28

Test and monitoring system for a sump pump installation including trend analysis of pump performance

#123
20150143895
2015-05-28

Test and monitoring system for a sump pump installation having a variable test cycle time out

#124
20150143894
2015-05-28

Test and monitoring system for a sump pump installation having a self-monitoring valve module for admitting water to the sump pit

#125
20150143893
2015-05-28

Test and monitoring system for a battery-powered DC pump installation

#126
20150143892
2015-05-28

Test and monitoring system for a dual sump pump system

#127
20150110606
2015-04-23

TURBO COMPRESSION SYSTEM

#128
20150093240
2015-04-02

Mechanical coolant pump

#129
20150016967
2015-01-15

Mechanical coolant pump

#130
20150016966
2015-01-15

Mechanical coolant pump

#131
20140314543
2014-10-23

Compressor system and method of controlling the same

#132
20140255176
2014-09-11

Pump housing with an interior for accommodating a pump rotor

#133
20140205465
2014-07-24

Safety vacuum release system

#134
20140178208
2014-06-26

SYSTEM FOR GATHERING GAS FROM A GAS FIELD COMPRISING A HIGH EFFICIENT HIGH PRESSURE COMPRESSOR

#135
20140147246
2014-05-29

Method and system for detecting malfunction of a MEMS micropump

#136
20140135693
2014-05-15

Vented reservoir for medical pump

#137
20140133960
2014-05-15

Cap for cooperating with a flow control element of a valve for a self-priming electric pump

#138
20140079568
2014-03-20

Overheat control mechanism for electrical vacuum pumps

#139
20120148419
2012-06-14

Pump control and method

#140
20120128515
2012-05-24

Inflatable and deflatable air pump

#141
20110229345
2011-09-22

Pumping system for pumping liquid from a lower level to an operatively higher level

#142
20100313972
2010-12-16

Check Valve For A Self-Priming Pump

#143
20100253094
2010-10-07

COMBINED PUMP AND VALVE APPARATUS

#144
20090041592
2009-02-12

Pump

#145
20080304955
2008-12-11

Centrifugal pump casing relief system

#146
20080236517
2008-10-02

Water pump and control method for same

#147
20080190870
2008-08-14

Filter and pump unit, filter and pump apparatus having such a unit and also method for filtering out

#148
20070245480
2007-10-25

Spa with waterfall

#149
20070177990
2007-08-02

Centrifugal pump casing relief system

#150
20070102060
2007-05-10

Manual bulk liquid pump control and distribution system

#151
20070036665
2007-02-15

Check valve for a self-priming pump

#152
20070031265
2007-02-08

VALVE AND PUMP DEVICES FOR EXPELLING FLUID FROM VESSELS

#153
20060042668
2006-03-02

Dishwasher pump and filtration system

#154
20050268499
2005-12-08

Method and apparatus for pumping with a dredge

#155
20050207904
2005-09-22

Transporting method and transporting facility for easily polimerizable material

#156
20050100460
2005-05-12

Check valve for a submersible turbine pump

#157
18607255
2024-07-02

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

#158
18499790
2024-10-01

Systems and methods for maintaining the prime of a pump

#159
17575468
2023-06-13

Electric priming pump device

#160
15494749
2019-04-02

Filter booster pump combination