ClassID:

144051

F04D15/0263 - 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 responsive to a condition of the pump the condition being temperature, ingress of humidity or leakage

Recent Application in this class:
#1
20250137700
2025-05-01

CALIBRATING COMPRESSOR BEARING SYSTEMS

#2
20240392790
2024-11-28

FLUID DELIVERY SYSTEM HEALTH MONITORING SYSTEMS AND METHODS

#3
20230366600
2023-11-16

Calibrating compressor bearing systems

#4
20230160388
2023-05-25

Water Heating System and Valving for These

#5
20220074417
2022-03-10

Fluid delivery system health monitoring systems and methods

#6
20220057351
2022-02-24

Pump device and method for determining the concentration of a substance inside a liquid

#7
20220056918
2022-02-24

Pump assembly and method of controlling a pump

#8
20210310492
2021-10-07

Motor leakage current detector, devices using same and related methods

#9
20210246901
2021-08-12

MAGNETICALLY COUPLED PUMP HAVING A DOUBLE-SHELL SPLIT CAN

#10
20210108644
2021-04-15

Electric oil pump having temperature sensors on circuit board and transmission to execute energization prohibition control of pump

#11
20200263694
2020-08-20

Water Heating System and Valving for These

#12
20200240414
2020-07-30

Pump cooling systems

#13
20200166038
2020-05-28

METHOD OF OPERATING OIL WELL USING ELECTRIC CENTRIFUGAL PUMP UNIT

#14
20200063744
2020-02-27

PUMP SYSTEM FOR REMOVING WATER FROM POOL COVERS AND SUMPS

#15
20200049152
2020-02-13

Variable speed pumping control system with active temperature and vibration monitoring and control means

#16
20190309757
2019-10-10

Apparatus, systems and methods for protecting pumps

#17
20190301480
2019-10-03

PUMP APPARATUS

#18
20190086286
2019-03-21

Pump seal leakage detection system

#19
20190048875
2019-02-14

Thermally controlled utility pump and methods relating to same

#20
20180328366
2018-11-15

Switching of a pump based on the throughput determined by a thermal flow meter

#21
20180156220
2018-06-07

Water Heating System and Valving for These

#22
20160298637
2016-10-13

Apparatus, systems and methods for protecting pumps

#23
20150159658
2015-06-11

Motor-driven compressor with switching element

#24
20150159655
2015-06-11

Motor-driven compressor with switching element

#25
20150152860
2015-06-04

PUMP CONDITION MONITORING AND RECOVERY

#26
20150010392
2015-01-08

Modular water pump

#27
20140234142
2014-08-21

Device for transmitting power through rotating magnetic fields

#28
20140099211
2014-04-10

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

#29
20130129480
2013-05-23

Compression apparatus

#30
20130108476
2013-05-02

Pump freeze protection

#31
20120286601
2012-11-15

Pressure-resistant explosion-proof connector

#32
20110274560
2011-11-10

Pump Assemblies, Controllers and Methods of Controlling Fluid Pumps Based on Air Temperature

#33
20110002791
2011-01-06

Pump System for Removing Water from Pool Covers and Sumps

#34
20100047089
2010-02-25

HIGH TEMPERATURE MONITORING SYSTEM FOR ESP

#35
20090317261
2009-12-24

Pumping system and method of operation

#36
20080044293
2008-02-21

Pump Arrangement with Speed Control

#37
20080017252
2008-01-24

Electronic control device for a pump