ClassID:

86303

C02F1/687 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water; Devices for dosing the additives Devices for dosing solid compounds

Recent Application in this class:
#1
20260097979
2026-04-09

SILICA FERTILIZATION SYSTEMS AND METHODS

#2
20260084994
2026-03-26

SYSTEMS AND METHODS FOR CONTROLLING PRODUCT WATER MINERAL CONTENT AND ALKALINITY

#3
20260049012
2026-02-19

AUTOMATED RAINFALL FLOCCULANT DISBURSEMENT STRUCTURE FOR SEDIMENT AND EROSION CONTROL

#4
20260048369
2026-02-19

ENHANCED WATER DISPENSING SYSTEM

#5
20260022025
2026-01-22

PROCESS FOR PRODUCING A HIGHLY CONCENTRATED PURE AQUEOUS SOLUTION OF MAGNESIUM HYDROGENCARBONATE OR CALCIUM HYDROGENCARBONATE AND PRESSURE VESSEL FOR STORING AND/OR DOSING THE SOLUTION INTO THE WATER TO BE OPTIMIZED

#6
20250230084
2025-07-17

Filter Assembly

#7
20250214875
2025-07-03

SYSTEM AND METHOD FOR INJECTING ACTIVATED CARBON INTO AN UNDERGROUND WATER AQUIFER.

#8
20250187954
2025-06-12

SALT CELL SYSTEM WITH SHIELD BODY ASSEMBLY AND RELATED METHODS

#9
20250161887
2025-05-22

AUTONOMOUS DISPENSING DEVICE

#10
20250122104
2025-04-17

System for Flow-Controlled Material Dosing for Use with Sedimentation Tanks

#11
20250101721
2025-03-27

REMOTE-OPERATED FLUSHING SYSTEM

#12
20240409439
2024-12-12

System and Method for Environmental Management of Carbon Dioxide in Water Systems

#13
20240392541
2024-11-28

REMOTE-OPERATED FLUSHING SYSTEM

#14
20240286938
2024-08-29

STERILE AND/OR PURIFIED FLUID AND/OR SOLUTION DELIVERY SYSTEM

#15
20240246835
2024-07-25

SYSTEM AND METHOD FOR PRODUCING ALKALINE WATER HAVING PH STABILITY AND INCREASED MINERAL CONTENT

#16
20240199461
2024-06-20

WATER SOFTENER SYSTEM

#17
20240165536
2024-05-23

METHOD AND APPARATUS FOR WATER PURIFICATION USING CONTINUOUS HYDROTHERMAL OXIDATION REGIME

#18
20240141666
2024-05-02

Water purification, sterilization and disinfection lamp

#19
20240076215
2024-03-07

FILTER FOR CONTROLLING PH OF PURIFIED WATER AND WATER PURIFIER INCLUDING THE SAME

#20
20240059583
2024-02-22

System and method for producing alkaline water having pH stability and increased mineral content

#21
20240059335
2024-02-22

Water Softener Device

#22
20230340763
2023-10-26

FLUID FLUSHING SYSTEM

#23
20230298454
2023-09-21

Remote water softener monitoring system

#24
20230225300
2023-07-20

ENVIRONMENTAL TREATMENT DISTRIBUTION SYSTEMS AND METHODS

#25
20230107189
2023-04-06

Filter system with enhanced display

#26
20230079803
2023-03-16

Waste Treatment Package and Formulation for Treating Toilet Waste

#27
20220412113
2022-12-29

Swimming Pool Chemical Dispenser

#28
20220389702
2022-12-08

STRUCTURAL DRAIN TRAP FOR PREVENTING SPREAD OF PATHOGENS BETWEEN FLOORS

#29
20220380239
2022-12-01

Method of Use for Toilet Waste Material Treatment

#30
20220371927
2022-11-24

HYPOCHLORITE COMPOSITIONS, METHODS OF MANUFACTURE AND USES THEREOF

#31
20220315458
2022-10-06

WATER TREATMENT

#32
20220298047
2022-09-22

DEVICE FOR DISTRIBUTING MINERALIZED WATER AND ASSOCIATED METHOD

#33
20220177335
2022-06-09

MOBILE DEVICE FOR TREATING WATER

#34
20220169544
2022-06-02

SILVER ION BIOCIDE DELIVERY SYSTEMS AND PROCESSES

#35
20220081334
2022-03-17

METHOD FOR THE REMOVAL OF AT LEAST ONE CONTAMINANT FROM AN AQUEOUS LIQUOR OR A GAS

#36
20220033048
2022-02-03

BALLAST WATER TREATMENT DEVICE

#37
20220018101
2022-01-20

Remote-operated flushing system

#38
20210400929
2021-12-30

Water quality converter

#39
20210355014
2021-11-18

Process and device for treating wastewater or sludge

#40
20210340786
2021-11-04

SWIMMING POOL CHEMICAL DISPENSER

#41
20210188672
2021-06-24

Pool and spa water quality control system and method

#42
20210177127
2021-06-17

Water enrichment Bottle

#43
20210171371
2021-06-10

Sterile and/or purified fluid and/or solution delivery system

#44
20210163351
2021-06-03

Process and apparatus for treating water with hydrated lime slurry and for dissolving scale

#45
20210155519
2021-05-27

WATER CONDITIONER FOR PREVENTING OR REDUCING MINERAL PRECIPITATES

#46
20210039971
2021-02-11

Silver ion biocide delivery system

#47
20210039962
2021-02-11

Water filter cartridge having tank limescale protection

#48
20210024393
2021-01-28

ION REMOVAL SYSTEM

#49
20200361800
2020-11-19

Composition for water treatment and methods of manufacture

#50
20200317551
2020-10-08

Mobile device for treating water

#51
20200315179
2020-10-08

Method of controlling water surface inhabiting pests

#52
20200290905
2020-09-17

COMPOUND DISPENSER

#53
20200290902
2020-09-17

MOLLUSK REPELLANT AND METHODS OF WATER TREATMENT

#54
20200216339
2020-07-09

Chemical dispensing system and method

#55
20200152043
2020-05-14

Remote water softener monitoring system

#56
20200130802
2020-04-30

BALLAST WATER TREATMENT DEVICE AND BALLAST WATER TREATMENT METHOD

#57
20200068898
2020-03-05

METHODS AND SYSTEMS FOR CONTROLLING INVASIVE MUSSEL SPECIES

#58
20200055753
2020-02-20

Water treatment system

#59
20200055721
2020-02-20

Beverage dispenser with improved monitoring and method therefore

#60
20190366401
2019-12-05

Method and system for in situ treatment of water or soil

#61
20190114898
2019-04-18

Remote water softener monitoring system

#62
20190106340
2019-04-11

Silver ion biocide delivery system

#63
20190039923
2019-02-07

Device and method for treating harmful algal blooms using modified clay

#64
20180368415
2018-12-27

Method of controlling water surface inhabiting pests

#65
20180230030
2018-08-16

Composition for water treatment and methods of manufacture

#66
20180229991
2018-08-16

Drinking water supply device and method of controlling the same

#67
20180065872
2018-03-08

Time-release tablet and methods

#68
20180044208
2018-02-15

Multiple-bore solute cartridge carrier

#69
20180037485
2018-02-08

Sterile and/or purified fluid and/or solution delivery system

#70
20180029763
2018-02-01

Plasticizer blend for chlorine stability of water-soluble films

#71
20180001262
2018-01-04

Treatment of industrial water systems

#72
20170291816
2017-10-12

Apparatus for the extraction of phosphorus from wastewater

#73
20170240441
2017-08-24

RDPreheating water jackets

#74
20170152165
2017-06-01

Systems, compositions and methods for providing safe and healthy water and water-based products

#75
20170152093
2017-06-01

Package system for packaging and administering controlled dosages of chemical agents

#76
20170144903
2017-05-25

Mollusk repellant and methods of water treatment

#77
20170001892
2017-01-05

Tank overflow pipe adjustable dechlorinating device

#78
20160369489
2016-12-22

Water straining and chemical additive device for marine vessels and recreational vehicles

#79
20160354727
2016-12-08

Composition, system, and method for treating water systems

#80
20160326014
2016-11-10

Multi-effect desalination apparatus partially dosing acids into some evaporator and desalination method using the same

#81
20160176723
2016-06-23

APPARATUS FOR ENHANCING THE BIOPHYSICAL EFFECTS OF WATER

#82
20160167000
2016-06-16

Multiple batch system for the preparation of a solution of calcium hydrogen carbonate suitable for the remineralization of desalinated water and of naturally soft water

#83
20160143290
2016-05-26

Method of controlling water surface inhabiting pests

#84
20150374166
2015-12-31

Selective hydrogen adding equipment for living organism applicable fluid

#85
20150368127
2015-12-24

Process and apparatus for treating water with hydrated lime slurry and for dissolving scale

#86
20150218835
2015-08-06

SYSTEM AND METHOD FOR CONTROLLING WATER QUALITY IN A RECREATIONAL WATER INSTALLATION

#87
20150203386
2015-07-23

Process and apparatus for slaking lime and dissolving scale

#88
20150187448
2015-07-02

Mobile boration system

#89
20140377410
2014-12-25

Systems, compositions and methods for providing safe and healthy water and water-based products

#90
20140124454
2014-05-08

Water treatment composition and method of using same

#91
20140116954
2014-05-01

Removal of ions from aqueous fluid

#92
20140069515
2014-03-13

Mobile boration system

#93
20130334146
2013-12-19

Granular Chemical Feeder

#94
20130334119
2013-12-19

Water conditioner for preventing or reducing mineral precipitation

#95
20130313204
2013-11-28

System and method for controlling water quality in a recreational water installation

#96
20130256238
2013-10-03

Method and apparatus for dissolving sodium carbonate in water

#97
20130239991
2013-09-19

Composition, system, and method for treating water systems

#98
20130233796
2013-09-12

TREATMENT OF INDUSTRIAL WATER SYSTEMS

#99
20130128687
2013-05-23

RAPID RATE CHEMCIAL SOLUTION GENERATOR

#100
20130126403
2013-05-23

AUTOMATED SANTIZATION AND DISINFECTION OF RECREATIONAL AND COMMERCIAL BODIES OF WATER

#101
20130019757
2013-01-24

Selective hydrogen adding equipment for living organism applicable fluid

#102
20120266378
2012-10-25

Self disinfecting drain trap

#103
20120263629
2012-10-18

Selective hydrogen adding equipment for living organism applicable fluid

#104
20120248019
2012-10-04

APPARATUS FOR ENHANCING THE BIOPHYSICAL EFFECTS OF WATER

#105
20120148707
2012-06-14

WATER FILTRATION AND FLAVOR ADDITIVE DEVICE

#106
20120082654
2012-04-05

Method For Preventing And Controlling Organisms That Infest Aqueous Systems

#107
20120067829
2012-03-22

Water treatment feeder device and a water treatment feeder system

#108
20120012526
2012-01-19

Accelerated bioremediation using supplemental compositions and oxygenated water

#109
20110215048
2011-09-08

TO WATER TREATMENT SYSTEMS

#110
20110163124
2011-07-07

AUTOMATIC DRY GRANULAR CHEMICAL DISPENSER, FOR EXAMPLE FOR THE CHLORINATION OF WATER IN A SWIMMING POOL

#111
20110124944
2011-05-26

Process for incorporating a dry treatment product into a liquid waste

#112
20100326904
2010-12-30

WASTEWATER TREATMENT

#113
20100320157
2010-12-23

Container, and device and method for producing a disinfecting solution

#114
20100284865
2010-11-11

GENERATOR OF HYDROGEN-ABUNDANT WATER IN THE SHAPE OF A TORPEDO

#115
20100243576
2010-09-30

Dewatering method

#116
20100218844
2010-09-02

Method and apparatus for changeover of container in a fluid dispenser

#117
20100204441
2010-08-12

MEANS FOR AND METHODS OF PROCESSING SUPERFINE DRY POLYMER

#118
20100133297
2010-06-03

Fluid container having an additive dispensing system

#119
20100108581
2010-05-06

WATER TREATMENT CARTRIDGES

#120
20100012560
2010-01-21

Chemical solution feeder and method

#121
20100006513
2010-01-14

Method, device and system for water treatment

#122
20090092673
2009-04-09

Biocide

#123
20090050577
2009-02-26

System to meter chemicals into water in a swimming pool

#124
20090050576
2009-02-26

Method for Adjusting Chlorine Concentration In Salt Water Swimming Pools and Chloride Salts Dispenser Therefor

#125
20080223792
2008-09-18

Apparatus for the incorporation of a dry treatment product into a liquid waste

#126
20080135062
2008-06-12

DISINFECTING TABLET

#127
20080095862
2008-04-24

Biocide

#128
20080029458
2008-02-07

Dewatering system

#129
20080020096
2008-01-24

System for Adding Consumable Enhancing Additives to Drinking Water

#130
20070235081
2007-10-11

Anion-liquid-saving apparatus

#131
20070108121
2007-05-17

Water treatment product, delivery method and means of packaging

#132
20070102360
2007-05-10

POLYMER BLENDING SYSTEM

#133
20060191824
2006-08-31

Fluid container having an additive dispensing system

#134
20060144798
2006-07-06

Waterways lime spreader

#135
20060131241
2006-06-22

Phosphonamide and phosphonamide blend compositions to treat water

#136
20060043011
2006-03-02

Biocide

#137
20050126199
2005-06-16

Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants

#138
20050104031
2005-05-19

Phosphonamide and phosphonamide blend compositions and method to treat water

#139
20050084411
2005-04-21

Method and system for producing a disinfecting solution

#140
20050035328
2005-02-17

Modified amine for boiler water treatment

#141
20050011820
2005-01-20

Wastewater treatment system

#142
18381572
2025-12-23

Automated swimming pool chemical dispensing system with spin-down sediment filter to control the swimming pool chemistry

#143
17824731
2023-04-18

Beverage creation device

#144
17226543
2023-06-06

Drop-in treatment apparatus and system for PFAS-impacted liquids

#145
15883906
2021-01-19

Chemical delivery system for AC drain line

#146
15169379
2018-04-24

Apparatus and related methods for cleaning and using swimming pools and other water

#147
14577244
2017-12-26

Chemical release system

#148
14453194
2019-08-06

Air conditioning drain treatment apparatus

#149
14207097
2016-12-27

Mollusk repellant and methods of water treatment