ClassID:

144044

F04D15/02 - CPC Classification

Classification description:

Control, e.g. regulation, of pumps, pumping installations or systems Stopping of pumps, or operating valves, on occurrence of unwanted conditions

Sub-classes:
Recent Application in this class:
#1
20260117778
2026-04-30

SAFETY CONTROLS FOR ELECTRICAL SUBMERSIBLE PUMP SYSTEMS

#2
20250341215
2025-11-06

METHOD OF STARTING AND STOPPING PUMP APPARATUSES COUPLED IN SERIES

#3
20240044338
2024-02-08

Motor control device

#4
20230202777
2023-06-29

Automatic headland fan control

#5
20220364565
2022-11-17

Sensing device, system and method for a pump

#6
20220090485
2022-03-24

Autonomous failure prediction and pump control for well optimization

#7
20220025738
2022-01-27

Fallback prevention valve apparatus, system and method

#8
20210324867
2021-10-21

Shear pin and drive shaft spring brake in electrical submersible pump

#9
20210324846
2021-10-21

Systems and methods for maintaining pool systems

#10
20210071673
2021-03-11

Drive protection and management method of a pressurization system

#11
20210002913
2021-01-07

PUMPING SYSTEMS PRINCIPALLY FOR SWIMMING POOLS AND SPAS

#12
20200240418
2020-07-30

Water pumping control device and system

#13
20200042024
2020-02-06

Pump Controller System and Method

#14
20190360302
2019-11-28

Fallback prevention valve apparatus, system and method

#15
20190309757
2019-10-10

Apparatus, systems and methods for protecting pumps

#16
20190120234
2019-04-25

Water pumping control device and system

#17
20170107990
2017-04-20

CENTRIFUGAL PUMP STAGE, CENTRIFUGAL PUMP AND USE OF A PUMP STAGE

#18
20160334810
2016-11-17

Pump controller system and method

#19
20160115960
2016-04-28

Coolant pump with plastic bonded magnet

#20
20150301534
2015-10-22

Pipeline system for fluids

#21
20150300566
2015-10-22

Rotatable apparatus

#22
20150252809
2015-09-10

External automatic control smart air pump

#23
20150211511
2015-07-30

Pump controller system and method

#24
20150005957
2015-01-01

Pump controller system and method

#25
20140339174
2014-11-20

Method of monitoring a low water volume within a water circulation system

#26
20140334945
2014-11-13

Pump controller system and method

#27
20140334943
2014-11-13

Pump controller system and method

#28
20140334942
2014-11-13

Pump controller system and method

#29
20140099211
2014-04-10

Detection of well fluid contamination in sealed fluids of well pump assemblies

#30
20130230410
2013-09-05

Air pump having an auto-stop control device

#31
20120082572
2012-04-05

Fluid pump

#32
20110181431
2011-07-28

Pump controller system and method

#33
20100141194
2010-06-10

Pump controller system and method

#34
20100135823
2010-06-03

SEWAGE PUMPING

#35
20090104044
2009-04-23

Pump controller system and method

#36
20080260540
2008-10-23

Pump controller system and method

#37
20080181789
2008-07-31

Pump controller system and method

#38
20080181787
2008-07-31

Pump controller system and method

#39
20080181785
2008-07-31

Pump controller system and method

#40
20080157989
2008-07-03

Pump failure alarm device

#41
20080140353
2008-06-12

Pump controller system and method

#42
20080131296
2008-06-05

Pump controller system and method

#43
20080131295
2008-06-05

Pump controller system and method

#44
20080131294
2008-06-05

Pump controller system and method

#45
20080131291
2008-06-05

Pump controller system and method

#46
20080131289
2008-06-05

Pump controller system and method

#47
20080131286
2008-06-05

Pump controller system and method

#48
20080063535
2008-03-13

Pump controller system and method

#49
20070243085
2007-10-18

Magnetic drive pump

#50
20050123408
2005-06-09

Pump control system and method

#51
18932156
2026-04-28

Safety controls for electrical submersible pump systems