ClassID:

131828

E04H4/1209 - CPC Classification

Classification description:

Swimming or splash baths or pools; Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment Treatment of water for swimming pools

Sub-classes:
Recent Application in this class:
#1
20260138058
2026-05-21

DOMESTIC SWIMMING-POOL FILTER WITHOUT BACKWASHING

#2
20260132646
2026-05-14

SUSTAINABLE HEAT TRANSFER SYSTEM THAT INCLUDES A DIGITAL PROCESSING FACILITY AND A RECREATIONAL MAN-MADE SWIMMING LAGOON THAT PROVIDES COOLING TO SUCH FACILITY, THE SYSTEM BEING CONFIGURED FOR CONTRIBUTING TO ENVIRONMENTAL SUSTAINABILITY AND COMMUNITY BENEFITS

#3
20260085536
2026-03-26

SKIMMER FLOW REGULATOR VALVE

#4
20260071453
2026-03-12

Swimming Pool Backwash Filtration Device

#5
20260049492
2026-02-19

DECK JET ASSEMBLY WITH INTEGRATED LIGHTING

#6
20260043260
2026-02-12

POOL ROBOT AND AUTOMATIC UNDERWATER SPREADING METHOD

#7
20260022580
2026-01-22

COLD PLUNGE SYSTEM WITH QUICK RELEASE HOSE-ARM

#8
20260011173
2026-01-08

SYSTEM AND METHOD FOR AUTOMATED MAINTENANCE AND OPTIMIZATION OF SWIMMING POOLS

#9
20250361738
2025-11-27

HYBRID WATER MONITORING SYSTEM

#10
20250347132
2025-11-13

SELF-MAINTAINING HOT TUB OR SPA

#11
20250262580
2025-08-21

POOL PUMP INLET FILTER ASSEMBLY

#12
20250230678
2025-07-17

Pool and Spa Cartridge Filter Cleaning Device

#13
20250197034
2025-06-19

DECELERATION POOL FOR ROCKET LANDING SYSTEM

#14
20250180007
2025-06-05

SYSTEM FOR CONTROLLING A FLUID CIRCULATION PUMP AND IONIZER

#15
20250154783
2025-05-15

METHOD, APPARATUS AND SYSTEM FOR MONITORING WATER QUALITY IN A BATHING UNIT SYSTEM

#16
20250136479
2025-05-01

POOL FILTRATION SYSTEM AND METHOD

#17
20250109603
2025-04-03

POOL STAIRCASE WITH ENCLOSED FILTERING COMPONENTS

#18
20250109602
2025-04-03

Pool Skimmer Debris Guard Device

#19
20250092702
2025-03-20

Freestanding Sun Shelf

#20
20250066230
2025-02-27

VENTURI DESIGN AND SYSTEM EMPLOYING SUCH FOR DOSING USE IN WATER TREATMENT

#21
20250066224
2025-02-27

DECONTAMINATION APPARATUS, KITS, METHODS, AND SYSTEMS

#22
20250065250
2025-02-27

FLAT FILTER MEDIA

#23
20250010222
2025-01-09

FILTER, WATER FILTER, AND ABOVE-GROUND POOL

#24
20240424433
2024-12-26

SYSTEMS AND METHODS FOR IN-LINE FILTERING OF DEBRIS IN SWIMMING POOLS AND SPAS

#25
20240254022
2024-08-01

ACID-DISPENSING SYSTEM FOR POOLS

#26
20240218688
2024-07-04

HEATER CONDENSATE pH CONTROL SYSTEM AND METHOD

#27
20240218687
2024-07-04

INTEGRATED POOL PAD EQUIPMENT

#28
20240181471
2024-06-06

MULTI-CYCLONE SEDIMENT FILTER

#29
20240175278
2024-05-30

Hot Tub Filterwell Dispersant Technology

#30
20240141666
2024-05-02

Water purification, sterilization and disinfection lamp

#31
20240117649
2024-04-11

Accessory Filtration System for Swimming Pools

#32
20240093386
2024-03-21

CHLORINATOR

#33
20230407658
2023-12-21

FILTER CARTRIDGE FOR SWIMMING POOLS AND SPAS

#34
20230366228
2023-11-16

Swimming Pool Backwash Filtration Device

#35
20230323694
2023-10-12

Gravitational bouyancy filter for a swimming pool

#36
20230313546
2023-10-05

POOL STRAINER BASKET INSECT AND ORGANIC MATTER TRAP

#37
20230258013
2023-08-17

MULTI PARAMETER SWIMMING POOL FLUID ANALYSIS AND REGULATING METHOD AND DEVICE

#38
20230250660
2023-08-10

Autonomous dispensing device

#39
20230192523
2023-06-22

ALGAE PREVENTIVE DEVICE

#40
20230160226
2023-05-25

SELF-MAINTAINING HOT TUB OR SPA

#41
20230137224
2023-05-04

Variable speed pumping system and method

#42
20230116404
2023-04-13

VARIABLE SPEED PUMPING SYSTEM AND METHOD

#43
20230115422
2023-04-13

VARIABLE SPEED PUMPING SYSTEM AND METHOD

#44
20230094680
2023-03-30

Pool strainer basket insect and organic matter trap

#45
20230058612
2023-02-23

PUBLICLY ACCESSIBLE URBAN BEACH ENTERTAINMENT COMPLEX WITH A CENTERPIECE MAN-MADE TROPICAL-STYLE LAGOON AND METHOD FOR PROVIDING EFFICIENT UTILIZATION OF LIMITED USE LAND

#46
20230003042
2023-01-05

Swimming pool cleaning device including a removable filter device

#47
20220395769
2022-12-15

Durable, collapsible, and configurable strainer basket for pool equipment

#48
20220250952
2022-08-11

Pool filtration system and method

#49
20220213709
2022-07-07

Pool filtration system

#50
20220188960
2022-06-16

Publicly accessible urban beach entertainment complex with a centerpiece man-made tropical-style lagoon and method for providing efficient utilization of limited use land

#51
20220169533
2022-06-02

System and a method for comprehensive monitoring, analysis and maintenance of water and equipment in swimming pools

#52
20220135447
2022-05-05

ELECTROLYSIS CELL FOR AN ELECTROLYTIC TREATMENT OF A LIQUID

#53
20220089459
2022-03-24

Plumbed in-line sensor system for swimming pools and spas

#54
20220056719
2022-02-24

SYSTEMS, ASSEMBLIES, AND METHODS OF REDUCING HEAD LOSS IN HEATING DEVICES

#55
20210404200
2021-12-30

Intelligent solar aware load controller

#56
20210324649
2021-10-21

Fluid chemistry manifolds and systems

#57
20210293043
2021-09-23

Device and system utilizing ultrasonic waves in spectrophotometrically monitoring the quality of water in swimming-pools

#58
20210214249
2021-07-15

Water Treatment Device

#59
20210190372
2021-06-24

Systems and methods for managing temperature control of bodies of water

#60
20210147255
2021-05-20

Swimming pool water monitoring device and method

#61
20210131132
2021-05-06

Swimming pool cleaning device including a removable filter device

#62
20210102393
2021-04-08

FLOAT FEEDER DEVICE FOR REGULATING THE FLOW OF CONCENTRATED CHLORINATED WATER FROM A CHLORINE GENERATOR

#63
20200353384
2020-11-12

Durable, collapsible, and configurable strainer basket for pool equipment

#64
20200270888
2020-08-27

Filter assembly having an outer filter element and an inner filter element removably installed within the outer filter element

#65
20200269271
2020-08-27

Spa filtration and massage system for a hot tub

#66
20200222833
2020-07-16

Submersible water filtration apparatus with multi-stage filtration

#67
20200197838
2020-06-25

Adjustable bernoulli skimmer basket

#68
20200148552
2020-05-14

System and a method for comprehensive monitoring, analysis and maintenance of water and equipment in swimming pools

#69
20200131793
2020-04-30

Automated cleaning device

#70
20200074577
2020-03-05

Publicly accessible urban beach entertainment complex with a centerpiece man-made tropical-style lagoon and method for providing efficient utilization of limited use land

#71
20200061502
2020-02-27

Submersible water filtration apparatus with multi-stage filtration

#72
20200051057
2020-02-13

Publicly accessible urban beach entertainment complex including a surf feature with a centerpiece man-made tropical-style lagoon and method for providing efficient utilization of limited use land

#73
20200041033
2020-02-06

Valve actuators principally for water-circulation systems of swimming pools or spas

#74
20200011080
2020-01-09

Swimming pool cleaning device including a removable filter device

#75
20200001161
2020-01-02

Water flow control device for swimming training

#76
20190383049
2019-12-19

Threaded attachment system for wall-mounted pool skimmer

#77
20190330868
2019-10-31

Pumping Compartment for a Portable Hot Tub or Swim Spa

#78
20190257807
2019-08-22

Swimming pool floating maintenance system

#79
20190234091
2019-08-01

Composition and method for water conditioning

#80
20190218806
2019-07-18

Water treatment and purification system and methods thereof

#81
20190217230
2019-07-18

Filter system

#82
20190177994
2019-06-13

Device for disinfecting water

#83
20190144319
2019-05-16

SYSTEM FOR SANITIZING AND CLARIFYING WATER, AND RELATED COMPONENTS AND METHODS

#84
20190112828
2019-04-18

Portable pool filter system

#85
20190063096
2019-02-28

System and method of a pool filter operation

#86
20180354833
2018-12-13

Combination ultraviolet ray and ozone water sanitizing unit

#87
20180318734
2018-11-08

Multiple cartridge fluid filter canister

#88
20180305948
2018-10-25

Automated cleaning device

#89
20180296947
2018-10-18

Mechanical filter element, apparatus and method

#90
20180266131
2018-09-20

Multi parameter swimming pool fluid analysis and regulating method and device

#91
20180238066
2018-08-23

Swimming pool funnel

#92
20180178104
2018-06-28

Water flow control device for swimming training

#93
20180147510
2018-05-31

Filter system

#94
20180112429
2018-04-26

Filter assembly having an outer filter element and an inner filter element removably installed within the outer filter element

#95
20180066445
2018-03-08

Swimming pool cleaning device including a removable filter device

#96
20180023311
2018-01-25

Pool drain with water diversion features

#97
20180003181
2018-01-04

Safety vacuum release system

#98
20170334748
2017-11-23

AUTOMATICALLY ACTIVATED SELF-IONISING DEVICE OPERATING BY MEANS OF MECHANICAL KINETIC-ENERGY, PROVIDED WITH A SYSTEM FOR PURIFYING WATER BY MEANS OF IONISATION, FOR SWIMMING POOLS FOR HOME OR PUBLIC USE OR SIMILAR

#99
20170314282
2017-11-02

Fluid circulation monitoring system

#100
20170284115
2017-10-05

System and methods for pool and spa filter cleaning

#101
20170275905
2017-09-28

INTELLIGENT POOL APPARATUS

#102
20170267552
2017-09-21

3-dimensional porous mono-polar electrode body, electric sterilization filter including 3-dimensional porous mono-polar electrode body, and water treatment method using 3-dimensional porous mono-polar electrode body

#103
20170235318
2017-08-17

Method of monitoring a fluid level within a fluid volume

#104
20170191237
2017-07-06

Floating lake system and methods of treating water within a floating lake

#105
20170167152
2017-06-15

Composition and method for water conditioning

#106
20170089086
2017-03-30

Method for water treatment

#107
20170066667
2017-03-09

Ozone-assisted fluid treatment apparatus and method

#108
20170056798
2017-03-02

System and method of a pool filter operation

#109
20170044785
2017-02-16

Skimmer basket for swimming pools

#110
20170030098
2017-02-02

APPARATUS FOR IMPROVING SWIMMING POOL WATER CIRCULATION SYSTEM

#111
20160356054
2016-12-08

Automatic water refill apparatus for an above-ground pool

#112
20160347635
2016-12-01

DEVICE FOR DISINFECTING WATER USING OZONE AND ULTRAVIOLET LIGHT

#113
20160346792
2016-12-01

DEVICE FOR FILTERING A LIQUID BY CYCLONIC EFFECT

#114
20160341326
2016-11-24

Liquid container leveler

#115
20160340205
2016-11-24

Systems and methods for interrelated control of chlorinators and pumps

#116
20160298351
2016-10-13

Swimming pool cleaning device including a removable filter device

#117
20160205938
2016-07-21

Calcium hypochlorite compositions with transient color indicators and method of using the same

#118
20160194892
2016-07-07

Systems, assemblies, and methods of reducing head loss in heating devices

#119
20160177587
2016-06-23

Apparatus and method for cooling swimming pool water

#120
20160177586
2016-06-23

Climate controlled waterside enclosure

#121
20160175634
2016-06-23

COMPOSITIONS INCLUDING MATRIX AND BIOMATERIAL, USES THEREOF AND METHODS OF USING THE SAME

#122
20160145883
2016-05-26

Threaded attachment system for wall-mounted pool skimmer

#123
20160123031
2016-05-05

Drop-in chlorinator for portable spas

#124
20160083971
2016-03-24

Handheld Pool Skimmer

#125
20160083970
2016-03-24

POOL FILTER SYSTEMS INCLUDING POOL JET FITTINGS

#126
20160083276
2016-03-24

Composition and method for water conditioning

#127
20160028183
2016-01-28

Water bonding device and methods of use

#128
20160023143
2016-01-28

Gas-evacuating filter

#129
20160023138
2016-01-28

Adaptable basket

#130
20160017622
2016-01-21

Water treatment and purification system and methods thereof

#131
20160017621
2016-01-21

Dispensing systems

#132
20160002941
2016-01-07

HIGH EFFICIENCY, LOW-PRESSURE FILTRATION UNIT

#133
20150368134
2015-12-24

Pool water purifying device

#134
20150368128
2015-12-24

Floating dispensers

#135
20150345164
2015-12-03

System and method for maintaining water quality in large water bodies

#136
20150337556
2015-11-26

Pool cleaning apparatus

#137
20150322683
2015-11-12

METHOD AND APPARATUS FOR DELIVERING CHLORINE INTO A BODY OF WATER

#138
20150247332
2015-09-03

Floating weir basket for use in pool skimmers

#139
20150247331
2015-09-03

Floating weir basket for use in pool skimmers

#140
20150166361
2015-06-18

System and method for maintaining water quality in large water bodies

#141
20150136678
2015-05-21

Quick release pool skimmer basket apparatus

#142
20150125212
2015-05-07

Floating lake system and methods of treating water within a floating lake

#143
20150114915
2015-04-30

Velocity reducing pool filter port

#144
20150096730
2015-04-09

Header for heat exchanger

#145
20150089733
2015-04-02

OVERFLOW PREVENTION DEVICE

#146
20150076048
2015-03-19

Swimming Pool Cleaner With A Rigid Debris Canister

#147
20150040996
2015-02-12

Valved Cover Device

#148
20150001141
2015-01-01

DEVICE FOR GENERATING ELECTRICITY FROM A PRESSURIZED WATER CIRCULATION SYSTEM

#149
20140339174
2014-11-20

Method of monitoring a low water volume within a water circulation system

#150
20140331398
2014-11-13

Pool filter systems including pool fittings

#151
20140299525
2014-10-09

Ozone-assisted fluid treatment apparatus

#152
20140277777
2014-09-18

Local feature controller for pool and spa equipment

#153
20140263092
2014-09-18

Method for Purifying Water without the Use of Salts, and Water-Purification Reactor

#154
20140263091
2014-09-18

Fluid Sanitization Assembly And Related Methods Of Use

#155
20140251884
2014-09-11

Apparatus for cleaning an immersed surface having a single reversible electric driving and pumping motor

#156
20140238913
2014-08-28

COMBINED UV AND HEATER FOR SPA APPLICATIONS

#157
20140217010
2014-08-07

Multiple orientation pool skimming net with three-point leveraging configurations

#158
20140205465
2014-07-24

Safety vacuum release system

#159
20140202941
2014-07-24

WHIRLPOOL SKIMMER

#160
20140144849
2014-05-29

Swimming Pool Chemical Mixer

#161
20140102966
2014-04-17

Spa Filter Bypass

#162
20140077401
2014-03-20

Centrifugal self-priming mixed and inverted-umbrella shaped aerator

#163
20140076814
2014-03-20

CYANURIC ACID REMOVAL

#164
20140076789
2014-03-20

Pool cleaning apparatus

#165
20140060656
2014-03-06

Multi-position valve actuators

#166
20130334113
2013-12-19

Portable swimming pool stair assembly with integral filter and circulation system

#167
20130327721
2013-12-12

Apparatus for mechanically treating a liquid composition and method for mechanically treating such a liquid composition

#168
20130270199
2013-10-17

Filter media for use in pool filters

#169
20130240432
2013-09-19

Suctioning device for travelling a tank bottom

#170
20130213866
2013-08-22

Sustainable system for treating water bodies affected by bacteria and microalgae at low cost

#171
20130193043
2013-08-01

CLEANING OF SWIMMING POOLS

#172
20130161267
2013-06-27

Method for water treatment

#173
20130134104
2013-05-30

Method and arrangement for a water treatment

#174
20130126440
2013-05-23

METHOD AND SYSTEM FOR MANAGING A RESERVOIR OF WATER REQUIRING RECIRCULATION AT TIME INTERVALS

#175
20130092151
2013-04-18

Pool heating device system

#176
20130067654
2013-03-21

POOL WATER TREATMENT DEVICE WITH SIMPLIFIED HYDRAULIC PRIMING, AND POOL EQUIPPED WITH SUCH A DEVICE

#177
20130031711
2013-02-07

Pool filter systems including pool jet fittings

#178
20130015111
2013-01-17

Debris catching device for surge tanks in swimming pool circulation systems

#179
20120318748
2012-12-20

ELECTROCHLORINATION METHOD FOR ABOVE-GROUND SWIMMING POOLS

#180
20120298589
2012-11-29

Drop-in chlorinator for portable spas

#181
20120291193
2012-11-22

SYSTEM FOR FILTERING WATER FROM SWIMMING POOLS

#182
20120189491
2012-07-26

ROBOTIC POOL CLEANER WITH INTERNAL ULTRAVIOLET WATER STERILIZATION

#183
20120107140
2012-05-03

Method of operating a safety vacuum release system

#184
20120074050
2012-03-29

Swimming pool cleaner with a rigid debris canister

#185
20120024796
2012-02-02

Sustainable method and system for treating water bodies affected by bacteria and microalgae at low cost

#186
20120018360
2012-01-26

FLUID STRAINER ASSEMBLY

#187
20110226682
2011-09-22

Methods and apparatus for a pool treatment and water system

#188
20110154585
2011-06-30

Apparatus for cleaning an immersed surface having a single reversible electric driving and pumping motor

#189
20110127224
2011-06-02

Filter media for use in pool filters

#190
20110108490
2011-05-12

Efficient filtration process of water in a tank for recreational and ornamental uses, where the filtration is performed over a small volume of water and not over the totality of the water from the tank

#191
20110010835
2011-01-20

Drop-in chlorinator for portable spas

#192
20100092308
2010-04-15

Method of operating a safety vacuum release system

#193
20100000300
2010-01-07

Device for measuring physical and/or chemical parameters of water circulating in a treatment circuit of a leisure pool

#194
20090321368
2009-12-31

Control system

#195
20090232701
2009-09-17

Robotic Pool Cleaner with Internal Ultraviolet Water Sterilization

#196
20090126915
2009-05-21

Header for Heat Exchanger

#197
20090090665
2009-04-09

Methods and apparatus for a pool treatment and water system

#198
20090026148
2009-01-29

Method for reducing maintence frequency and extending the life of pool and hot tub filters and filtration systems

#199
20080290046
2008-11-27

Control system

#200
20080289706
2008-11-27

Control system

#201
20080223464
2008-09-18

Flow Diverters for Valves, Valves, and In-Floor Pool Cleaning Systems

#202
20080216877
2008-09-11

CLEANING SYSTEM FOR ABOVE-GROUND CONTAINER AND METHODS THEREOF

#203
20080184472
2008-08-07

Bathing pool assembly with water full of nano-scale ozone bubbles for rehabilitation

#204
20080135465
2008-06-12

Energy saving system for use with swimming pool filter systems

#205
20080099392
2008-05-01

Fluid strainer assembly

#206
20060151370
2006-07-13

Pipe-connecting device

#207
20060021922
2006-02-02

Filtration installation for filtering the water of a water pool

#208
20050092696
2005-05-05

Apparatus, system and method for use in backwashing pool filters

#209
20050028265
2005-02-10

Swimming pool water circulator

#210
19095944
2026-01-06

Sustainable heat transfer system that includes a digital processing facility and a recreational man-made swimming lagoon that provides cooling to such facility, the system being configured for contributing to environmental sustainability and community benefits

#211
18353078
2024-05-21

Devices for in-water automatic spreading

#212
16863749
2020-07-28

Durable, collapsible, and configurable strainer basket for pool equipment

#213
16554071
2020-04-14

Chemical dispensing system

#214
16438754
2020-11-10

Pool drain with water diversion features

#215
15890145
2020-05-26

Waterjet apparatus with plaster attachment device for cleaning artificial bodies of water

#216
15697970
2019-06-25

Customizable pool automation control system, and method for customizing pool automation control

#217
15588623
2018-12-25

Swimming pool hose retention device

#218
15132420
2019-02-12

Swimming pool aerator

#219
14861042
2017-12-19

Pool water level and vacuum monitor

#220
14805395
2017-11-28

Flush mounted vinyl nozzle assembly and methods of use

#221
14299313
2016-09-06

Pool sweeper

#222
14225857
2014-10-21

Pool skimmer basket system

#223
13846891
2016-03-15

Device and method for winterizing the skim filter port of an in-ground pool

#224
13792884
2015-05-19

Swimming pool net