ClassID:

129182

E03B7/045 - CPC Classification

Classification description:

Water main or service pipe systems; Domestic or like local pipe systems diverting initially cold water in warm water supply

Recent Application in this class:
#1
20250277356
2025-09-04

WAIT WATER COLLECTION SYSTEM

#2
20250163689
2025-05-22

TUB FAUCET HAVING A CONTROL VALVE WITH REDUCED BACKPRESSURE

#3
20240218637
2024-07-04

Smart faucet controller and method

#4
20240117611
2024-04-11

Sanitary system for instant hot water

#5
20230167982
2023-06-01

A WATER HEATING SYSTEM

#6
20230151590
2023-05-18

Cold water discharge apparatus

#7
20230015469
2023-01-19

Water temperature control system and method

#8
20220333359
2022-10-20

Water conservation system

#9
20220196626
2022-06-23

WATER QUALITY MONITORING METHOD FOR WATER SUPPLY SYSTEM, WATER SUPPLY SYSTEM, AND REFRIGERATION APPARATUS

#10
20220074176
2022-03-10

Water conserving shower system and thermochromic fixtures used therein

#11
20210207848
2021-07-08

Cold-storage instantaneous heat pump water heater

#12
20210002875
2021-01-07

Tub faucet having a control valve with reduced backpressure

#13
20200400346
2020-12-24

Water heating apparatus and water heating system

#14
20200385966
2020-12-10

Water temperature control system and method

#15
20200378624
2020-12-03

DOMESTIC HOT WATER SUPPLY SYSTEM

#16
20200362544
2020-11-19

Drinking water supply system having an acoustic sensor or a presence detector, method for controlling the same, and computer program

#17
20200284006
2020-09-10

Drinking water supply system with groupwise control, method for controlling the same, and computer program

#18
20200283999
2020-09-10

Drinking water supply system with volume or pressure control function, method for controlling same, and computer program

#19
20200283998
2020-09-10

Drinking Water Supply System with Drinking Water Quality Monitoring Function, Method for Controlling Same, and Computer Program

#20
20200277760
2020-09-03

SYSTEM AND METHOD OF HOT WATER RECIRCULATION USING A BI-DIRECTIONAL COLD-WATER SUPPLY LINE

#21
20200132311
2020-04-30

Recirculation valve and hot water recirculation system using the same

#22
20200018405
2020-01-16

Environmentally responsive fluid diversion device and system with override capability

#23
20190382989
2019-12-19

Water conserving shower system and thermochromic fixtures used therein

#24
20190345698
2019-11-14

Cold water recycling and reusing apparatus

#25
20190277011
2019-09-12

Tub faucet having a control valve with reduced backpressure

#26
20190242096
2019-08-08

Multi-use reservoir that conserves and allows reuse of water

#27
20190234622
2019-08-01

HOT WATER ENERGY CONSERVATION

#28
20190093904
2019-03-28

DEVICE AND WATER SYSTEM FOR PREVENTING THE PROLIFERATION OF LIVING BEINGS IN WATER PIPES

#29
20190055718
2019-02-21

Discharge cold switching valve and its switching method

#30
20190041067
2019-02-07

Water systems

#31
20180371728
2018-12-27

Tub faucet having a control valve with reduced backpressure

#32
20180291592
2018-10-11

Apparatus and Method for Conserving Water by Diverting Water of Improper Temperature

#33
20180238586
2018-08-23

Instantaneous hot water circulation unit with scale cleaning function

#34
20180224133
2018-08-09

On-demand hot water repurposing system and method

#35
20180216322
2018-08-02

Faucet assembly

#36
20180180298
2018-06-28

Liquid distribution unit

#37
20180172286
2018-06-21

Method and a liquid distribution system for saving liquid and thermal energy

#38
20180171607
2018-06-21

Water quality maintenance systems

#39
20180135870
2018-05-17

Water system with a continuous flow heater and a flushing station

#40
20180128498
2018-05-10

Water conservation via convective circulation

#41
20180094413
2018-04-05

Water temperature control system and method

#42
20180002903
2018-01-04

Diverter module for conserving water supplied by a hot water tank

#43
20170298596
2017-10-19

Hot water delivery

#44
20170175368
2017-06-22

Mechanically operated hot water bypass valve operated without electricity

#45
20170138020
2017-05-18

Economizer system and method for saving heat and water

#46
20170067235
2017-03-09

Cooled water recovery method and apparatus

#47
20170059186
2017-03-02

Hot water recovery

#48
20160377301
2016-12-29

Circulating hot water system and or appliance

#49
20160333883
2016-11-17

BATTERY-POWERED HOT WATER RECIRCULATION PUMP

#50
20160215911
2016-07-28

Pipe connector and arrangement with a pipe connector

#51
20160201303
2016-07-14

Tub faucet having a control valve without hammering

#52
20160158396
2016-06-09

Self-cleaning surfaces

#53
20160138811
2016-05-19

Hot water supply system

#54
20160040402
2016-02-11

System For Recirculating Water Between CoId Water And Hot Water

#55
20150377497
2015-12-31

Hot water energy conservation

#56
20150368886
2015-12-24

Water-Saving Mixer Tap

#57
20150354832
2015-12-10

Hot water supply apparatus

#58
20150027551
2015-01-29

Thermostatic valve with anti-failure provisions

#59
20140261763
2014-09-18

Water and heat waste reduction techniques

#60
20140202552
2014-07-24

High purity water system

#61
20140202543
2014-07-24

Method and a liquid distribution system for retaining the temperature of a liquid in the system

#62
20140034166
2014-02-06

WATER CONTROL VALVE ASSEMBLY

#63
20130299010
2013-11-14

Water control fixture having bypass valve

#64
20130228233
2013-09-05

Hot water recovery

#65
20130167956
2013-07-04

Liquid supply with circulation via through-passing inner pipes

#66
20130026242
2013-01-31

Modular water-saving device

#67
20130014846
2013-01-17

Recycling water saver faucet

#68
20120325918
2012-12-27

Bypass valve for a water circulation system

#69
20120298204
2012-11-29

ENERGY SAVING SYSTEM AND METHOD FOR HEATING WATER

#70
20120266961
2012-10-25

WATER CONSERVATION SYSTEMS AND METHODS OF USING THE SAME

#71
20120222757
2012-09-06

Water control fixture having bypass valve

#72
20120211085
2012-08-23

Tap liquid savings in a liquid distribution system

#73
20120192965
2012-08-02

WATER SUPPLY SYSTEM WITH RECIRCULATION

#74
20120118414
2012-05-17

Water saver system

#75
20120061483
2012-03-15

COLD AND HOT WATER SUPPLY SYSTEM WITH IMPROVED CONTROL PART

#76
20120004778
2012-01-05

Vacation Faucet Apparatus and Method

#77
20110174404
2011-07-21

Water circulation system for preventing the growth of micro-organisms

#78
20110139269
2011-06-16

Water Retention and Recycling System

#79
20110132989
2011-06-09

Water control fixture having a failed closed bypass valve

#80
20100300555
2010-12-02

Method and system for controlled release of hot water from a fixture

#81
20100251974
2010-10-07

Non-invasive Demand Response Hot Water Recirculation Pump Signaling and Control Appliance

#82
20100212750
2010-08-26

High Purity Water System

#83
20100193058
2010-08-05

Connection fitting

#84
20100096025
2010-04-22

Water control fixture having bypass valve

#85
20090293961
2009-12-03

Water saver system

#86
20090230200
2009-09-17

Water control valve assembly

#87
20090145490
2009-06-11

Water conservation / hot water recirculation system utilizing timer and demand method

#88
20090095356
2009-04-16

Method and apparatus for conserving water

#89
20090057239
2009-03-05

METHOD AND APPARATUS FOR WATER DISTRIBUTION

#90
20090020172
2009-01-22

Method and Apparatus for Water Distribution

#91
20090007975
2009-01-08

Water control fixture having auxiliary functions

#92
20080302429
2008-12-11

Smith water saver

#93
20080105305
2008-05-08

Method and system for controlled release of hot water from a fixture

#94
20070278318
2007-12-06

Water control fixture having bypass valve

#95
20070137709
2007-06-21

Thermostatically controlled bypass valve

#96
20070131783
2007-06-14

Water control valve assembly

#97
20070114290
2007-05-24

Water control fixture having thermostatically controlled bypass valve

#98
20060049267
2006-03-09

Water control fixture having thermostatically controlled bypass valve

#99
20050242199
2005-11-03

Water control fixture having thermostatically controlled bypass valve

#100
20050242198
2005-11-03

Water circulating system having thermostatically controlled bypass valve

#101
20050183773
2005-08-25

Multi-story water distribution system

#102
20050183772
2005-08-25

Apparatus for maintaining fluid temperature

#103
20050022871
2005-02-03

Method for operating a multi family/commercial plumbing system

#104
17971372
2025-02-04

Tub faucet having a control valve with reduced backpressure

#105
17036708
2023-08-01

Bypass valve

#106
15235907
2018-01-09

Bypass valve

#107
13912078
2016-05-31

Hot water recovery apparatus