ClassID:

86543

C02F2201/3221 - CPC Classification

Classification description:

Apparatus for treatment of water, waste water or sewage; Details relating to UV-irradiation devices; Lamp arrangement Lamps suspended above a water surface or pipe

Recent Application in this class:
#1
20250340461
2025-11-06

Drinking Water Dispenser with Built-in UV Sterilization System

#2
20250187947
2025-06-12

FLUID STERILIZATION DEVICE

#3
20250100903
2025-03-27

FLUID STERILIZATION DEVICE

#4
20250059068
2025-02-20

STERILIZATION MODULE, WATER PURIFICATION DEVICE, AND SYSTEM COMPRISING WATER PURIFICATION DEVICE

#5
20240228331
2024-07-11

LIQUID TREATMENT METHOD AND APPARATUS

#6
20240228329
2024-07-11

LIGHT-BASED DISINFECTION AND/OR SANITIZATION OF A SUBSTANCE

#7
20240051851
2024-02-15

METHODS AND SYSTEMS FOR USING ULTRAVIOLET LIGHT-EMITTING DIODES FOR DISINFECTION OF STATIONARY FLUIDS

#8
20240025771
2024-01-25

Sterilization module, water purification device, and system comprising water purification device

#9
20230360902
2023-11-09

PHOTOREACTOR AND SOURCE FOR GENERATING UV AND VUV

#10
20230088023
2023-03-23

FLUID DISINFECTION APPARATUS AND METHODS

#11
20230030118
2023-02-02

Ultraviolet light disinfection apparatus, control box and massage pool

#12
20220388873
2022-12-08

Bottlecap with UV LED and a removable filter cartridge for water purification

#13
20220135441
2022-05-05

Sterilization module, water purification device, and system comprising water purification device

#14
20220041470
2022-02-10

SOLAR POWERED SANITIZING WATER BOTTLE

#15
20220031138
2022-02-03

Multifunctional Mopping Machine

#16
20210163315
2021-06-03

Liquid treatment method and apparatus

#17
20200399154
2020-12-24

System and method for water purification

#18
20200290894
2020-09-17

Water purifier

#19
20200283310
2020-09-10

LIQUID SANITATION DEVICE AND METHOD

#20
20200270034
2020-08-27

Water purification cap

#21
20200172413
2020-06-04

Sterilization module, water purification device, and system comprising water purification device

#22
20200140291
2020-05-07

FLUID DISINFECTION APPARATUS AND METHODS

#23
20200079658
2020-03-12

Water treatment system

#24
20190276336
2019-09-12

Water purifier

#25
20190177183
2019-06-13

Sterilizing apparatus

#26
20190135660
2019-05-09

Liquid sanitation device and method

#27
20190100445
2019-04-04

Ultraviolet irradiation of aquatic environment

#28
20190055148
2019-02-21

Method for controlling chlorinated nitrogen-containing disinfection by-product in water

#29
20190039920
2019-02-07

Ultraviolet transparent enclosure

#30
20180215634
2018-08-02

Sterilization module, water purification device, and system comprising water purification device

#31
20180179945
2018-06-28

Assembly comprising a wet compartment and at least one anti-fouling energy source

#32
20180155903
2018-06-07

System separation device

#33
20180141829
2018-05-24

Personal system and apparatus for sanitizing water

#34
20170369335
2017-12-28

Ultraviolet transparent enclosure

#35
20170327388
2017-11-16

WATER PURIFIER

#36
20170240437
2017-08-24

Ultraviolet reactor with planar light source

#37
20170225984
2017-08-10

Air cleaning fountain

#38
20170101328
2017-04-13

Ultraviolet transparent enclosure

#39
20170081213
2017-03-23

Method for inducing continuous separation of copper ions from copper using UV-light source

#40
20170056915
2017-03-02

Air cleaning fountain

#41
20170056808
2017-03-02

Air cleaning fountain

#42
20170029292
2017-02-02

Biocidal purification device

#43
20160355410
2016-12-08

Recipient with variable geometry for UV water purification

#44
20150344329
2015-12-03

Ultraviolet transparent enclosure

#45
20150274548
2015-10-01

UV light source having combined ionization and formation of excimers

#46
20150136671
2015-05-21

SANITIZER SYSTEM

#47
20150129777
2015-05-14

Sterilization device

#48
20130020501
2013-01-24

UV Disinfecting Apparatus and System for Use With Contaminated Water

#49
20120279872
2012-11-08

METHOD AND SYSTEM FOR COMBINED PHOTOCATALYTIC AND ELECTROCHEMICAL WASTEWATER REMEDIATION

#50
20120261319
2012-10-18

Ultraviolet water sterilization

#51
20120211432
2012-08-23

Stand-alone integrated water treatment system for distributed water supply to small communities

#52
20120037571
2012-02-16

METHOD AND APPARATUS FOR SANITIZING WATER USING AN ULTRAVIOLET LIGHT

#53
20110226966
2011-09-22

Outdoor water treatment apparatus to kill bacteria with ultraviolet light

#54
20110174993
2011-07-21

WATER PURIFYING DRINK CONTAINERS

#55
20110163044
2011-07-07

Ceramic structure for water treatment, water treatment apparatus and method

#56
20110127448
2011-06-02

Treating Mixable Materials By Radiation

#57
20110081274
2011-04-07

UV disinfectant device for biofilm flow cell

#58
20100314263
2010-12-16

Stand-alone integrated water treatment system for distributed water supply to small communities

#59
20100224562
2010-09-09

Ultraviolet Disinfection System and Method

#60
20100166600
2010-07-01

Method and system for selective ultraviolet disinfection

#61
20100122946
2010-05-20

Water disinfection apparatus

#62
20100084349
2010-04-08

System and method for monitoring water transmission of UV light in disinfection systems

#63
20090250407
2009-10-08

System and method of water treatment

#64
20080302737
2008-12-11

Apparatus and method for purifying water in a storage tank

#65
20080302735
2008-12-11

Apparatus and method for removing arsenic and inorganic compositions from water

#66
20080105623
2008-05-08

System and method for monitoring water transmission of UV light in disinfection systems

#67
20080078945
2008-04-03

Apparatus for and method of treating a fluid

#68
20070199904
2007-08-30

Methods for treatment of organic matter in liquid

#69
20070170121
2007-07-26

Ultraviolet laser system for decomposing chemical pollutants

#70
20070131872
2007-06-14

WATER-PURIFICATION DEVICE FOR A POTABLE WATER SYSTEM

#71
20070045561
2007-03-01

Ultraviolet light treatment chamber

#72
20070029265
2007-02-08

Ultra violet water treatment device and system

#73
20060192136
2006-08-31

UV water disinfector

#74
20060186059
2006-08-24

Apparatus for disinfecting fluid using ultraviolet radiation

#75
20060157425
2006-07-20

Methods and systems for treating wastewater using ultraviolet light

#76
20050224335
2005-10-13

Apparatus and method for photocatalytic purification and disinfection of fluids

#77
20050092931
2005-05-05

UV water disinfector

#78
20050051741
2005-03-10

Method and apparatus for the uv-treatment of aqueous liquids

#79
17670429
2025-01-07

Ultraviolet light for sump water treatment