ClassID:

129144

E03B2001/045 - CPC Classification

Classification description:

Methods or layout of installations for water supply for domestic or like local supply; Greywater supply systems using household water

Recent Application in this class:
#1
20260125881
2026-05-07

WATER RECYCLING SYSTEM

#2
20250283319
2025-09-11

WATERWAY INSTALLATION STRUCTURE IN A TOILET

#3
20250122700
2025-04-17

GREYWATER CAPTURE AND CONTROL SYSTEM

#4
20250116053
2025-04-10

AUTOMATED APPLIANCES WITH WATER RECYCLING

#5
20250075475
2025-03-06

RECIRCULATING SHOWER SYSTEM

#6
20250052040
2025-02-13

WATER EFFICIENT DISH PRE-RINSE AND PRE-WASH SYSTEM

#7
20250019951
2025-01-16

Water Recycling System For Toilets

#8
20240410140
2024-12-12

SYSTEM AND METHOD FOR RECOVERING AND REUSING GRAYWATER

#9
20240410139
2024-12-12

System and Method for Evaporative Loss Compensation and Water Storage System for Swimming Pools

#10
20240301666
2024-09-12

Water Reclamation Assembly

#11
20240151010
2024-05-09

Recirculating Shower System

#12
20240093477
2024-03-21

Waterway installation structure in a toilet

#13
20240084559
2024-03-14

DISPENSING DEVICE AND HAND WASHING DEVICE

#14
20240035260
2024-02-01

A SYSTEM FOR WATER DISTRIBUTION

#15
20240018761
2024-01-18

Recirculating shower system

#16
20230407608
2023-12-21

BATHROOM SYSTEM

#17
20230183951
2023-06-15

SANITARY DEVICE HAVING AT LEAST ONE DISPENSER FOR A LIQUID

#18
20230075157
2023-03-09

Indoor grey water purification and reuse device, system and method for public buildings

#19
20220381010
2022-12-01

METHODS AND SYSTEMS FOR THE AUTOMATIC MANAGEMENT OF WASTEWATER AND FRESHWATER FOR RECREATIONAL VEHICLES

#20
20220316191
2022-10-06

SYSTEMS AND METHODS FOR POINT OF USE WATER MODIFICATION

#21
20220316190
2022-10-06

SYSTEMS AND METHODS FOR MANAGING HOME APPLIANCE WATER USE

#22
20220298046
2022-09-22

Bath water recycling system

#23
20220162836
2022-05-26

Systems and methods for water re-use

#24
20220162105
2022-05-26

Method and system for vertically utilizing unconventional water source

#25
20220018100
2022-01-20

Anti-waste sanitary system

#26
20220002985
2022-01-06

Recirculating shower system

#27
20210404153
2021-12-30

System and method for recovering and reusing graywater

#28
20210404152
2021-12-30

RECYCLED WATER SYSTEM

#29
20210172156
2021-06-10

Recycling device and a method therein for recycling used water from a used water source

#30
20210148095
2021-05-20

Intake filter for water collection system with pressure activated backwash valve

#31
20210062477
2021-03-04

Water recycle system

#32
20210017741
2021-01-21

Washing unit

#33
20210010248
2021-01-14

Lifeline system for compact house

#34
20200399876
2020-12-24

Pre-rinse tank with managed flow release

#35
20200385285
2020-12-10

SENSOR SYSTEM FOR A SYSTEM ALLOWING FOR PURIFICATION AND RECYCLING OF WATER OR SEPARATION OF WATER

#36
20200378094
2020-12-03

Drain diverted dirty water and continuously circulated clean water system

#37
20200363140
2020-11-19

Heat recovery unit for gray water

#38
20200318323
2020-10-08

Environmentally-friendly shower water recycling system

#39
20200299940
2020-09-24

Method for individually adjusting output water temperature in a device comprising multiple outlets

#40
20200299937
2020-09-24

Water recirculation device and method for adjusting a water temperature in a water recirculating device

#41
20200299936
2020-09-24

Reference water temperature in water recirculating devices

#42
20200256041
2020-08-13

Water treatment system

#43
20200240121
2020-07-30

Wastewater re-use systems

#44
20200224977
2020-07-16

Heat recovery unit for gray water

#45
20200101185
2020-04-02

A METHOD FOR DISINFECTION AND CLEANING OF AT LEAST ONE PART OF A DEVICE INTENDED FOR RECYCLING OF WATER

#46
20200087898
2020-03-19

System and Method For Conserving and Reusing Water in a Dwelling

#47
20200024836
2020-01-23

Automated device for saving shower water

#48
20190323210
2019-10-24

METHOD FOR ADAPTING A WATER RECYCLING DEVICE TO EXTERNAL CONDITIONS

#49
20190323209
2019-10-24

METHOD FOR ADAPTING A WATER RECYCLING DEVICE TO A USER PREFERENCE

#50
20190275449
2019-09-12

Disposable filter unit for a system allowing for purification and recycling of water or separation of water

#51
20190136497
2019-05-09

Holding tank for portable toilet

#52
20190085535
2019-03-21

Water conservation system for use in building

#53
20190083914
2019-03-21

Device and method for purifying and recycling shower water

#54
20190048563
2019-02-14

Intake filter for water collection system with pressure activated backwash valve

#55
20190047878
2019-02-14

Residential grey water recycling system

#56
20190017251
2019-01-17

SYSTEM FOR WATER RECIRCULATION

#57
20190003158
2019-01-03

SHOWER

#58
20180355588
2018-12-13

MULTIPLE DRAINING SYSTEM FOR SINKS OR BASINS

#59
20180297872
2018-10-18

Waste treatment system

#60
20180274211
2018-09-27

Drain diverted dirty water and continuously circulated clean water system

#61
20180201516
2018-07-19

Device and method for purifying and recycling shower water

#62
20180171608
2018-06-21

Method and system for recycling domestic greywater

#63
20180142461
2018-05-24

Elevatable building for preventing flood damage

#64
20180127953
2018-05-10

Drain Water Receiver

#65
20180022618
2018-01-25

Water recycling system and method

#66
20180014697
2018-01-18

Bathing apparatus with recycling system

#67
20170332564
2017-11-23

Shower flower water collection device

#68
20170320576
2017-11-09

GREY WATER INTERFACE VALVE LIQUID LEVEL SENSOR SYSTEM

#69
20170306592
2017-10-26

Purple Pipe Washing Machine Kit

#70
20170254055
2017-09-07

Fluid dispensing system, a system for processing waste material and a fluid monitoring system

#71
20170241117
2017-08-24

Water disposable system using unwanted water

#72
20170226722
2017-08-10

Portable Restroom Safety Center

#73
20170210648
2017-07-27

Waste treatment system

#74
20170073942
2017-03-16

Water storage tank structure and operating method for the reverse osmosis water purifying system

#75
20170008629
2017-01-12

Method and system for managing the grey water in an aircraft

#76
20160369482
2016-12-22

Water collection apparatus

#77
20160368802
2016-12-22

Circulating water utilization system

#78
20160362884
2016-12-15

BOTTOM RECEIVER UNIT FOR A WATER FLOWING PRODUCT

#79
20160319522
2016-11-03

A WATER HYBRID DEVICE

#80
20160319521
2016-11-03

Siphon aid for siphoning grey water

#81
20160312447
2016-10-27

REGULATION METHOD FOR WATER HYBRID DEVICES INVOLVING PURIFICATION, CIRCULATION AND/OR SEPARATION

#82
20160309965
2016-10-27

SHOWER OUTFLOW DIVERSION SYSTEM

#83
20160289087
2016-10-06

Method and system for remotely monitoring a group of circulating-water utilization systems

#84
20160258136
2016-09-08

Modular electrical appliance which reuses greywater

#85
20160230376
2016-08-11

TOILET WATER SAVING SYSTEM USING WASTE WATER

#86
20160177545
2016-06-23

System and method of greywater recovery and reuse

#87
20160073850
2016-03-17

Food waste collector system with overhead sprayer

#88
20150376873
2015-12-31

Water diverter fitting.

#89
20150344323
2015-12-03

Device and method for purifying and recycling shower water

#90
20150299009
2015-10-22

Waste treatment system

#91
20150204055
2015-07-23

System for recycling grey water

#92
20150151223
2015-06-04

Self-clearing filter

#93
20150040311
2015-02-12

Grey water interface valve liquid level sensor system

#94
20150021247
2015-01-22

Method and system for water reclamation, purification, and reuse for residential, commercial, and agricultural applications

#95
20140339803
2014-11-20

Mobile reservoir system and method for reusing unused clean water

#96
20140326331
2014-11-06

Efficient water utilization system

#97
20140299555
2014-10-09

Method and system for recycling domestic greywater

#98
20140230141
2014-08-21

WATER CONSERVATION APPARATUS AND METHODS OF USING SAME

#99
20140096842
2014-04-10

CIRCULAR SHOWER MACHINE

#100
20140021112
2014-01-23

Systems and methods for treating grey water on-board passenger transport vehicles

#101
20140008279
2014-01-09

System for using whitewater and soapy water in places of residence

#102
20130126402
2013-05-23

Grey water filtering system

#103
20130061944
2013-03-14

Systems and methods for water conservation

#104
20130036539
2013-02-14

Flushing water container system for flushing water of a mobile toilet

#105
20130025695
2013-01-31

TOILET WATER SUPPLY SYSTEM AND METHOD THEREFOR

#106
20130025686
2013-01-31

Method and Apparatus for Collecting and Distributing Household Greywater to Landscape Irrigation

#107
20130001141
2013-01-03

Water filtering system

#108
20120247563
2012-10-04

Water conservation apparatus and methods of using same

#109
20120234397
2012-09-20

LIQUID SEPARATION SYSTEMS FOR INSTALLING IN LIQUID DISTRIBUTION SYSTEMS, AND COMPONENTS, KITS AND METHODS THEREFOR

#110
20120199220
2012-08-09

GREY WATER PROCESSING AND DISTRIBUTION SYSTEM

#111
20120192349
2012-08-02

Accessible bathtub and drain

#112
20120125443
2012-05-24

Water collection and distribution monitoring system and methods

#113
20120090707
2012-04-19

Gray water recycling system

#114
20120067792
2012-03-22

Apparatus and Method for Water Treatment

#115
20120037234
2012-02-16

Graywater systems

#116
20120024766
2012-02-02

Wastewater re-use systems

#117
20110308618
2011-12-22

WATER RECOVERY SYSTEMS AND METHODS

#118
20110226341
2011-09-22

DEVICE AND METHOD FOR REUSING GREYWATER

#119
20110225722
2011-09-22

DEVICE FOR DISPENSING SHOWER WATER IN A CLOSED LOOP, AND SHOWER EQUIPMENT INCLUDING SUCH A DEVICE

#120
20110146800
2011-06-23

Domestic water recycling apparatus and fluid contamination detection system therefor

#121
20110088162
2011-04-21

SINK DRAIN WATER COLLECTOR

#122
20110083755
2011-04-14

WATER ECONOMIZER SYSTEM FOR DOMESTIC INSTALLATIONS AND THE LIKE

#123
20110067769
2011-03-24

WASTE SHOWER WATER RECYCLE APPARATUS

#124
20110052320
2011-03-03

GRAYWATER RECYCLING SYSTEM INCLUDING RAINWATER RECOVERY

#125
20110036410
2011-02-17

Recycling of grey water

#126
20110024338
2011-02-03

Grey water diversion system

#127
20100319790
2010-12-23

USABLE WATER USAGE DEVICE

#128
20100300951
2010-12-02

Gray Water Recycling System

#129
20100275364
2010-11-04

Accessible bathtub

#130
20100269908
2010-10-28

Water conserving devices and processes

#131
20100212758
2010-08-26

SYSTEM USED TO FEED WC FLUSHING TANKS WITH RECYCLED WATER

#132
20100192294
2010-08-05

Sink insert

#133
20100126233
2010-05-27

ELECTRONIC GREYWATER REUSING WASHING MACHINE

#134
20100125938
2010-05-27

INSTALLATION FOR RECYCLING SANITARY WATER

#135
20100122945
2010-05-20

Grey water conservation mechanism

#136
20100122944
2010-05-20

Grey water filtering system

#137
20100122740
2010-05-20

Grey water holding tank

#138
20100122738
2010-05-20

Excess grey water disposal

#139
20100043129
2010-02-25

METHOD AND CONTROL SYSTEM FOR PROCESSING GREYWATER

#140
20100018911
2010-01-28

Water Distribution Manifold Assembly

#141
20090288720
2009-11-26

TOILET SUPPLY DIVERTER FOR PREHEATING BATHING WATER

#142
20090272447
2009-11-05

Grey Water Diversion Device

#143
20090222981
2009-09-10

Integrated domestic utility system

#144
20090205266
2009-08-20

Modularized Self-sustaining Building System

#145
20090178965
2009-07-16

Collection and use system of reclaimed water in family life

#146
20090145500
2009-06-11

Water recovery systems and control valves

#147
20090113620
2009-05-07

Openable twin tank flush box using recycled water

#148
20080272057
2008-11-06

RECYCLING OF WASTE WATER

#149
20080257753
2008-10-23

Grey Water Filtering System

#150
20080250709
2008-10-16

Waste Water Distribution System

#151
20080175668
2008-07-24

Graywater recycling system including rainwater recovery

#152
20080017250
2008-01-24

Wastewater diverting system

#153
20070261166
2007-11-15

DEVICE FOR SELECTING A DRAINAGE OUTLET FOR DRAINING WASTEWATER

#154
20070261162
2007-11-15

Portable handsink and method for use

#155
20060196952
2006-09-07

Water recovery systems and control valves

#156
20060144769
2006-07-06

Greywater recycling system

#157
20060070670
2006-04-06

Multiple outlet single valve

#158
20050072467
2005-04-07

Gray water reclamation system and method for providing and operating same

#159
20050066439
2005-03-31

Users water storage

#160
17859475
2023-01-10

Freshwater conservation drain system

#161
17372066
2023-01-24

Water conservation apparatus

#162
17342348
2022-07-12

Shower water saver

#163
14957283
2017-08-15

Clean water conservation tank for a toilet

#164
14793458
2016-06-28

Water collection apparatus