ClassID:

144047

F04D15/0227 - 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 working fluid the condition being a liquid level or a lack of liquid supply Lack of liquid level being detected using a flow transducer

Recent Application in this class:
#1
20250376983
2025-12-11

HYDRAULIC PUMP

#2
20250198415
2025-06-19

DETERMINING AND UTILIZING A DESIRED FREQUENCY FOR A MECHANICAL SHAKER FOR A SUMP PUMP SYSTEM

#3
20250172153
2025-05-29

Detecting and Utilizing a Rise Rate for Sump Pump System Control

#4
20250172152
2025-05-29

SYSTEMS AND METHODS FOR MANIPULATING CONTROL OF SUMP PUMPS TO EXTEND LIFESPANS OF SUMP PUMPS

#5
20250172151
2025-05-29

DETECTING AND UTILIZING WATER VIBRATIONS IN SUMP PUMP SYSTEM CONTROL

#6
20250146492
2025-05-08

SUMP PUMP SMART HOME INTEGRATION

#7
20240384724
2024-11-21

Adaptive Learning System for Improving Sump Pump Control

#8
20240287993
2024-08-29

Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system

#9
20240141905
2024-05-02

Detecting and utilizing water vibrations in sump pump system control

#10
20240035478
2024-02-01

Systems and methods for manipulating control of sump pumps to extend lifespans of sump pumps

#11
20240003352
2024-01-04

Adaptive learning system for improving sump pump control

#12
20240003351
2024-01-04

Detecting and utilizing a rise rate for sump pump system control

#13
20230220847
2023-07-13

Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system

#14
20210396235
2021-12-23

System for detecting dry running of a pump

#15
20190257313
2019-08-22

Water pump

#16
20180328366
2018-11-15

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

#17
20180313365
2018-11-01

FLUID CIRCULATOR WITH DISPLAY

#18
20180023574
2018-01-25

Flow control

#19
20170058886
2017-03-02

Test and monitoring system for a pump installation

#20
20150301534
2015-10-22

Pipeline system for fluids

#21
20150247504
2015-09-03

Bilge pump arrangement having back flow preventer

#22
20150147190
2015-05-28

Test and monitoring system for a sump pump installation operable from a remote location

#23
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

#24
20150143900
2015-05-28

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

#25
20150143897
2015-05-28

Battery-powered backup power system for a sump pump installation

#26
20150143896
2015-05-28

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

#27
20150143895
2015-05-28

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

#28
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

#29
20150143893
2015-05-28

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

#30
20150143892
2015-05-28

Test and monitoring system for a dual sump pump system

#31
20140314582
2014-10-23

Flow control

#32
20140212264
2014-07-31

System and method for fluid level sensing and control

#33
20130289781
2013-10-31

System and method for pressure control in a network

#34
20130199775
2013-08-08

Monitoring Flow Past Submersible Well Pump Motor with Sail Switch

#35
20130108479
2013-05-02

Entrapment detection for variable speed pump system using load coefficient

#36
20110076156
2011-03-31

Flow control

#37
20100189572
2010-07-29

Pump assembly having an integrated user interface

#38
20080232976
2008-09-25

SHOWER FLOW SIMULATOR

#39
20070154320
2007-07-05

Flow control

#40
17245686
2023-09-19

Adaptive learning system for improving sump pump control