ClassID:

144049

F04D15/0245 - 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

Sub-classes:
Recent Application in this class:
#1
20260117779
2026-04-30

LIQUID SUPPLY DEVICE WITH FUNCTION OF REDUCING GENERATION OF PARTICLES

#2
20250116276
2025-04-10

WELL MANAGEMENT SYSTEM

#3
20240183904
2024-06-06

SUMP/EJECTOR PUMP MONITOR AND SUMP/EJECTOR PUMP FAILURE WARNING SYSTEM

#4
20230250824
2023-08-10

Pump control system capable of detecting fault of pump

#5
20230160388
2023-05-25

Water Heating System and Valving for These

#6
20230086225
2023-03-23

Well management system

#7
20220290537
2022-09-15

Safety valve for electrical submersible centrifugal pumping system

#8
20210396235
2021-12-23

System for detecting dry running of a pump

#9
20210324846
2021-10-21

Systems and methods for maintaining pool systems

#10
20210311123
2021-10-07

Sump/ejector pump monitor and sump/ejector pump failure warning system

#11
20210277562
2021-09-09

Drain pump driving apparatus and laundry treatment machine including the same

#12
20210189623
2021-06-24

Laundry treatment machine and method for controlling the same

#13
20210071674
2021-03-11

Well management system

#14
20210071673
2021-03-11

Drive protection and management method of a pressurization system

#15
20200362866
2020-11-19

Priming protection

#16
20200263694
2020-08-20

Water Heating System and Valving for These

#17
20200240418
2020-07-30

Water pumping control device and system

#18
20200011330
2020-01-09

Parallel circulation pump coordinating control assembly

#19
20200003218
2020-01-02

Volumetric real time flow engine

#20
20180310797
2018-11-01

Method of determining whether process water is present in a circulation pump of an appliance for washing and rinsing goods, and appliance and computer program therewith

#21
20180283390
2018-10-04

Pump selection using dynamic priority numbers

#22
20180196097
2018-07-12

Sump/ejector pump monitor and sump/ejector pump failure warning system

#23
20180128088
2018-05-10

Method for inverting oil continuous flow to water continuous flow

#24
20170268517
2017-09-21

Apparatus and method for monitoring a pump

#25
20170248643
2017-08-31

Sump/ejector pump monitor and sump/ejector pump failure warning system

#26
20160246290
2016-08-25

No flow detection means for sensorless pumping control applications

#27
20150355254
2015-12-10

Sump/ejector pump monitor and sump/ejector pump failure warning system

#28
20140039805
2014-02-06

Systems and methods to monitor pump cavitation

#29
20130343907
2013-12-26

Pump using multi voltage electronics with run dry and over current protection

#30
20130294931
2013-11-07

Pump control unit located in the power cord and compatible with multiple pump units

#31
20130272845
2013-10-17

Axial compressor and control method thereof to stabilize fluid

#32
20120101788
2012-04-26

Method for determining faults during the operation of a pump unit

#33
20120020810
2012-01-26

Priming protection

#34
20110052416
2011-03-03

Variable Speed Pumping System and Method

#35
20110044823
2011-02-24

Variable speed pumping system and method

#36
20080240931
2008-10-02

Method for determining faults during the operation of a pump unit

#37
20070285039
2007-12-13

Solar circulation pump and method for controlling a solar circulation pump, for controlling the starting of and for setting the performance of a solar circulation pump

#38
20070154321
2007-07-05

Priming protection

#39
20060045750
2006-03-02

Variable speed pumping system and method

#40
20050084384
2005-04-21

Smart fan and pump controller