ClassID:

131829

E04H4/1218 - 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 Devices for removal of polluted water; Circumferential gutters

Sub-classes:
Recent Application in this class:
#1
20260145102
2026-05-28

SWIMMING POOL FILTER DETECTION SYSTEM AND METHOD

#2
20260117545
2026-04-30

AUTOMATIC SWIMMING POOL CLEANING ROBOT CAPABLE OF LATERAL TRANSLATION

#3
20260055629
2026-02-26

POOL PUMP WITH MULTIPLE OFFSET OUTLETS

#4
20260014500
2026-01-15

MIKVAH SANITATION DEVICES

#5
20250389130
2025-12-25

RECONFIGURABLE SPA FILTER TREATMENT SYSTEMS AND METHODS FOR TREATING FILTERED WATER FOR SPAS AND HOT TUBS

#6
20250347133
2025-11-13

TREATMENT SYSTEM AND UNIT FOR ONE OR MORE FLUIDIC SYSTEMS

#7
20250296859
2025-09-25

WATER IONIZER

#8
20250223822
2025-07-10

TREATMENT SYSTEM AND UNIT FOR ONE OR MORE FLUIDIC SYSTEMS

#9
20250214008
2025-07-03

SWIMMING POOL FILTER DETECTION SYSTEM AND METHOD

#10
20250146313
2025-05-08

POOL FILTER PROTECTION DEVICE

#11
20250136406
2025-05-01

Backwash Hose Reel Directly Supportable on a Pool Filter

#12
20250001330
2025-01-02

APPARATUS FOR FILTERING AND CLEANING WATER IN A MIKVAH (JEWISH RITUAL PURIFICATION BATH), WHICH COMPLY WITH JEWISH RELIGIOUS LAWS (HALACHA), AND APPLICATIONS THEREOF

#13
20240328525
2024-10-03

Leaf Pot Pressure Relief Device

#14
20240218685
2024-07-04

PRE-ASSEMBLED STOCK TANK POOL WITH FILTER PUMP SYSTEM AND OPTIONAL HEATER UNIT

#15
20240060321
2024-02-22

NON-INFLATABLE ABOVE-GROUND POOL

#16
20230313547
2023-10-05

RECONFIGURABLE SPA FILTER TREATMENT SYSTEMS AND METHODS FOR TREATING FILTERED WATER FOR SPAS AND HOT TUBS

#17
20230287699
2023-09-14

WATER DISTRIBUTION DEVICE FOR MAINTENANCE OF AN ARTIFICIAL BASIN

#18
20230279685
2023-09-07

AUTOMATIC SWIMMING POOL CLEANING ROBOT CAPABLE OF LATERAL TRANSLATION

#19
20230057876
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

#20
20220243488
2022-08-04

Pool step structure with integrated plumbing

#21
20220172313
2022-06-02

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

#22
20220162869
2022-05-26

Portable hot tub

#23
20220127170
2022-04-28

Swimming pool filter including an anti-pathogenic dosing element capable of automatically dosing

#24
20220056720
2022-02-24

Adjustable angle and height gutter drain

#25
20210285249
2021-09-16

Pool Cleaning System, Pool Cleaning Device, and Pool Cleaning Transportation Cart

#26
20210270053
2021-09-02

Reconfigurable spa filter treatment systems and methods for treating filtered water for spas and hot tubs

#27
20210096517
2021-04-01

SYSTEM AND METHOD FOR OCCUPANCY MONITORING

#28
20210017781
2021-01-21

Mikvah sanitation devices

#29
20200362580
2020-11-19

Quadric surface grate cover

#30
20200318372
2020-10-08

Automatic swimming pool cleaners optionally providing dual filtration

#31
20200074579
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

#32
20200027186
2020-01-23

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

#33
20190388807
2019-12-26

FILTERS PRINCIPALLY FOR USE IN CONNECTION WITH SWIMMING POOLS AND SPAS

#34
20190355083
2019-11-21

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

#35
20190323250
2019-10-24

Swimming pool filtration system with means to spray backwash away from the system

#36
20190236744
2019-08-01

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

#37
20190203490
2019-07-04

Automatic swimming pool cleaners optionally providing dual filtration

#38
20190194966
2019-06-27

POOL VALVE ASSEMBLY

#39
20190169869
2019-06-06

Polyvinyl chloride conduit for backwashing pool filters

#40
20180148946
2018-05-31

Pool cleaning system, pool cleaning device, and pool cleaning transportation cart

#41
20170321441
2017-11-09

Bottom of pool cleaning device

#42
20170183885
2017-06-29

Pool water filtration system

#43
20170114559
2017-04-27

Adapter for pool cleaning system

#44
20170101794
2017-04-13

Pool apparatus

#45
20170002580
2017-01-05

SYSTEMS INCLUDING VARIABLE SPEED PUMPS FOR CLEANING SWIMMING POOLS AND SPAS

#46
20160153209
2016-06-02

Universal swimming pool main drain adaptor

#47
20150354241
2015-12-10

Pool skimmer basket

#48
20150337554
2015-11-26

Swimming pool water exchange device

#49
20150218834
2015-08-06

Underwater wildlife connection swimming pool

#50
20150129480
2015-05-14

System for removal of contaminants in water

#51
20150107012
2015-04-23

SYSTEMS INCLUDING VARIABLE SPEED PUMPS FOR CLEANING SWIMMING POOLS AND SPAS

#52
20140366261
2014-12-18

Safety grate cover for a swimming pool

#53
20140109308
2014-04-24

Spa ledge with spill sill

#54
20130205490
2013-08-15

Safety device for drain sump

#55
20130180901
2013-07-18

Strainer for pump

#56
20120227175
2012-09-13

Swimming pool circulation and cleaning system

#57
20120144578
2012-06-14

Safety grate cover for a swimming pool

#58
20120066827
2012-03-22

Pool fluid control system

#59
20110284440
2011-11-24

MULTIFUNCTIONAL EQUIPMENT FOR FILTERING POOL WATER

#60
20090064404
2009-03-12

Modular swimming pool

#61
20090050545
2009-02-26

Lid particularly for a pool return skimmer

#62
20090031489
2009-02-05

Swimming Pool Overflow Grating

#63
20090019633
2009-01-22

Apparatus and system for a suction entrapment and entanglement avoidance retrofit/new installation

#64
20080308478
2008-12-18

Screen for swimming pool skimmer and method of using same

#65
20080307576
2008-12-18

Pools Arrangement

#66
20080230453
2008-09-25

Pool skimmer debris gate

#67
20080229490
2008-09-25

Safety grate cover for a swimming pool

#68
20080163415
2008-07-10

Pool grating having curves therein

#69
20080128342
2008-06-05

Sump grate for a swimming pool

#70
20080099383
2008-05-01

Rotatable Indicator for Spa Tub Filter Cartridge Replacement

#71
20080098506
2008-05-01

Drain cover with fluid flow enhancer

#72
20080078711
2008-04-03

POOL SWEEP FILTER ADAPTER

#73
20070187311
2007-08-16

Filtering structure for swimming pool

#74
20060138033
2006-06-29

Leaf trap device

#75
20060021922
2006-02-02

Filtration installation for filtering the water of a water pool

#76
20050242014
2005-11-03

Water intake guard

#77
20050092668
2005-05-05

Compact filtering unit for a swimming pool basin

#78
19282847
2025-10-28

Swimming pool safety pipe assembly and method therefor

#79
16589701
2020-07-28

System and method for automated water operations for aquatic facilities using image-based machine learning

#80
16297434
2020-08-11

Channel drain assembly

#81
15494749
2019-04-02

Filter booster pump combination