ClassID:

86599

C02F2209/07 - CPC Classification

Classification description:

Controlling or monitoring parameters in water treatment Alkalinity

Recent Application in this class:
#1
20260152421
2026-06-04

DEVICE FOR MEASURING THE ALKALINITY OF A LIQUID PRESENT IN AN EXTERNAL RESERVOIR AND PROCESS FOR MEASURING THE ALKALINITY OF A LIQUID PRESENT IN AN EXTERNAL RESERVOIR

#2
20260132065
2026-05-14

METHOD FOR PRODUCING PURE WATER FROM WHICH BORON HAS BEEN REMOVED, PURE WATER PRODUCTION DEVICE, AND ULTRAPURE WATER PRODUCTION SYSTEM

#3
20260116784
2026-04-30

COMPOSITIONS AND METHOD FOR WASTEWATER TREATMENT

#4
20260115659
2026-04-30

SYSTEMS AND METHODS FOR CARBON SEQUESTRATION USING ENHANCED WEATHERING

#5
20260084994
2026-03-26

SYSTEMS AND METHODS FOR CONTROLLING PRODUCT WATER MINERAL CONTENT AND ALKALINITY

#6
20260084104
2026-03-26

SYSTEMS AND METHODS FOR CARBON SEQUESTRATION USING ENHANCED WEATHERING

#7
20250382208
2025-12-18

System and Method for Producing and Purifying Alkalinity for Addition to a Body of Water

#8
20250320142
2025-10-16

DATA-DRIVEN RECIRCULATING AQUACULTURE SYSTEM

#9
20250236549
2025-07-24

SYSTEMS AND METHODS FOR ONLINE CONTROL OF A CHEMICAL TREATMENT SOLUTION USING SCALE SATURATION INDICES

#10
20250223203
2025-07-10

INTELLIGENT DOSING CONTROL METHOD, DEVICE AND SYSTEM FOR SOFTENING AND REMOVING HARDNESS

#11
20250163712
2025-05-22

SYSTEMS AND METHODS FOR CONTROLLING AN ALKALINITY LEVEL OF A POOL OR SPA

#12
20250074807
2025-03-06

BIOSOLIDS QUALITY AND DEWATERABILITY

#13
20250066229
2025-02-27

REMINERALIZATION OF DESALINATED AND OF FRESH WATER BY DOSING OF A CALCIUM CARBONATE SOLUTION IN SOFT WATER

#14
20250059073
2025-02-20

In-Situ Acid Neutralization And Carbon Mineralization

#15
20250044274
2025-02-06

MULTI-FUNCTIONAL WATER QUALITY SENSOR

#16
20250033998
2025-01-30

AQUATIC INSTALLATION PREDICTIVE MAINTENANCE SYSTEM AND METHOD

#17
20250019278
2025-01-16

Acid Rain Diffusion Based on Vulnerable Zone Classifications

#18
20250001358
2025-01-02

SYSTEMS AND METHODS FOR CARBON SEQUESTRATION USING ENHANCED WEATHERING

#19
20240409439
2024-12-12

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

#20
20240368008
2024-11-07

ENHANCED INORGANIC COAGULANTS FOR WASTEWATER TREATMENT

#21
20240336503
2024-10-10

Production Efficiency Optimization For Bipolar Electrodialysis Device

#22
20240327253
2024-10-03

In-situ acid neutralization and carbon mineralization

#23
20240317619
2024-09-26

PRETREATMENT TO REMOVE AMMONIA FROM HIGH STRENGTH WASTEWATER WITH MEMRBANE AERATED BIOFILM SIDESTREAM

#24
20240270614
2024-08-15

WATER MANAGEMENT SYSTEM

#25
20240051858
2024-02-15

METHOD FOR REMOVING AMMONIACAL NITROGEN FROM HYPERSALINE EFFLUENTS THROUGH A CONSORTIUM CONTAINING HIGH-SALINITY-RESISTANT HETEROTROPHIC NITRIFYING AND AEROBIC DENITRIFYING MICROORGANISMS

#26
20230391645
2023-12-07

WATER TREATMENT METHOD, CONTROL APPARATUS, AND WATER TREATMENT SYSTEM

#27
20230348305
2023-11-02

SYSTEM AND METHOD FOR TREATMENT OF ANIMAL MANURE CONTAINING WASTEWATER

#28
20230347279
2023-11-02

Systems and methods for carbon sequestration using enhanced weathering

#29
20230312374
2023-10-05

Systems and methods for carbon sequestration using enhanced weathering

#30
20230302404
2023-09-28

Systems and methods for carbon sequestration using enhanced weathering

#31
20230166993
2023-06-01

DATA-DRIVEN RECIRCULATING AQUACULTURE SYSTEM

#32
20230166991
2023-06-01

Methods and systems for streaming current analyzer calibration and reporting

#33
20220402784
2022-12-22

Water management system

#34
20220194834
2022-06-23

Method for treating wastewater or sludge

#35
20220117119
2022-04-14

Datacenter cooling fluid quality analysis and mitigation

#36
20220064038
2022-03-03

SYSTEMS AND METHODS FOR ONLINE CONTROL OF A CHEMICAL TREATMENT SOLUTION USING SCALE SATURATION INDICES

#37
20220064037
2022-03-03

PROCESS COOLING WATER SYSTEM CONTROL SYSTEMS AND METHODS FOR IRON AND STEELMAKING APPLICATIONS

#38
20210382485
2021-12-09

Intelligent solar powered pool skimming robot

#39
20210331942
2021-10-28

Methods for online control of a chemical treatment solution using scale saturation indices

#40
20210317007
2021-10-14

Spa/pool water treatment system and method

#41
20210261448
2021-08-26

Apparatus and Method for Producing Alkaline Water

#42
20210255105
2021-08-19

Determination of water treatment parameters based on absorbance and fluorescence

#43
20210247785
2021-08-12

Chemical controller system and method

#44
20210171375
2021-06-10

PRETREATMENT TO REMOVE AMMONIA FROM HIGH STRENGTH WASTEWATER WITH MEMRBANE AERATED BIOFILM SIDESTREAM

#45
20210163327
2021-06-03

Process for treating frac flowback and produced water including naturally occurring radioactive material

#46
20210155510
2021-05-27

Method for determining a dose of coagulant for treating raw water

#47
20210147266
2021-05-20

Method for increasing the magnesium ion concentration in feed water

#48
20210009453
2021-01-14

Recirculating, purifying, disinfecting, cooling, decontaminating, feedback controlled water system for drinking water and other uses to improve health and well being of animals and humans

#49
20200407250
2020-12-31

Method of optimizing the chemical precipitation process in water treatment plants and waste water treatment plants

#50
20200231466
2020-07-23

INTELLIGENT SYSTEMS AND METHODS FOR PROCESS AND ASSET HEALTH DIAGNOSIS, ANOMOLY DETECTION AND CONTROL IN WASTEWATER TREATMENT PLANTS OR DRINKING WATER PLANTS

#51
20200178725
2020-06-11

Coffee machine with sensors

#52
20200156968
2020-05-21

Enhanced inorganic coagulants for wastewater treatment

#53
20190270655
2019-09-05

Methods for optimizing water treatment coagulant dosing

#54
20190227581
2019-07-25

Chemical controller system and method

#55
20190039926
2019-02-07

Aerobic nitritation of ammonia and integrated anammox processes

#56
20190025273
2019-01-24

Multi-functional water quality sensor

#57
20190025267
2019-01-24

Automated titration in a recirculating fluid system

#58
20190010061
2019-01-10

TREATED WATER INDICATING SYSTEM AND METHOD

#59
20180370827
2018-12-27

WASTEWATER TREATMENT PLANT ONLINE MONITORING AND CONTROL

#60
20180354830
2018-12-13

Method of using microbial DNA sequencing in recovering renewable resources from wastewater and other waste streams

#61
20180327295
2018-11-15

Wastewater treatment and solids reclamation system

#62
20180297863
2018-10-18

Spa/pool water treatment system and method

#63
20180134586
2018-05-17

Process of making alkaline and acidic water

#64
20180118594
2018-05-03

Biological nutrient removal process control system

#65
20170327392
2017-11-16

Method and apparatus for water treatment

#66
20170326497
2017-11-16

Gas capture apparatus and method

#67
20170275183
2017-09-28

METHOD FOR REMOVING CARBON DIOXIDE FROM OCEAN WATER AND QUANTIFYING THE CARBON DIOXIDE SO REMOVED

#68
20170238581
2017-08-24

Production of alkaline spring water

#69
20170234793
2017-08-17

Determination of water treatment parameters based on absorbance and fluorescence

#70
20170217788
2017-08-03

WATER SUPPLY MANAGEMENT SYSTEM

#71
20170191237
2017-07-06

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

#72
20170029288
2017-02-02

Multi-port flow switching valve

#73
20170022728
2017-01-26

Intelligent solar powered pool skimming robot

#74
20160332115
2016-11-17

Method for the purification of gases containing volatile organic compounds

#75
20160272519
2016-09-22

Control system for nitrogen and phosphorus removal

#76
20160259348
2016-09-08

Chemical controller system and method

#77
20160152500
2016-06-02

Production of biomass for use in the treatment of Fischer-Tropsch reaction water

#78
20160023932
2016-01-28

Method for deammonification process control using pH, specific conductivity, or ammonia

#79
20150336828
2015-11-26

Method for improving quality of aquaculture pond water

#80
20150266759
2015-09-24

WASTEWATER TREATMENT APPARATUS WITH DUAL-LEVEL CONTROL

#81
20150191369
2015-07-09

Hardness reduction apparatus and method

#82
20150125212
2015-05-07

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

#83
20150101991
2015-04-16

Method and apparatus for water treatment

#84
20150048032
2015-02-19

System and method for controlling the chemical properties of a body of liquid

#85
20150037463
2015-02-05

Micronized CaCOslurry injection system for the remineralization of desalinated and fresh water

#86
20150034553
2015-02-05

Wastewater treatment plant online monitoring and control

#87
20140326680
2014-11-06

Salt water pool chlorinator having a sensor

#88
20140277746
2014-09-18

Chemical injection control method and chemical injection controller

#89
20140158637
2014-06-12

Process for generating oxygenated water

#90
20140106464
2014-04-17

Method and apparatus for analyzing alkalinity conditions in aqueous liquids

#91
20140054230
2014-02-27

Method for monitoring and controlling the chemistry of a ZLD process in power plants

#92
20130334141
2013-12-19

Method and composition for operation of evaporative cooling towers at increased cycles of concentration

#93
20130026105
2013-01-31

Method to inhibit scale formation in cooling circuits using carbon dioxide

#94
20130020257
2013-01-24

Mainstream Wastewater Treatment

#95
20120284165
2012-11-08

METHOD FOR REMOVING CARBON DIOXIDE FROM OCEAN WATER AND QUANTIFYING THE CARBON DIOXIDE SO REMOVED

#96
20120273430
2012-11-01

Method and composition for operation of evaporative cooling towers at increased cycles of concentration

#97
20120168358
2012-07-05

METHOD TO INHIBIT SCALE FORMATION IN COOLING CIRCUITS USING CARBON DIOXIDE

#98
20120152359
2012-06-21

Method and apparatus for water treatment

#99
20120043223
2012-02-23

Water treatment method

#100
20110284475
2011-11-24

Apparatus and Method for Treatment of a Contaminated Water-Based Fluid

#101
20110266227
2011-11-03

Apparatus for determining coagulant amount

#102
20110062377
2011-03-17

Clarification of water and wastewater

#103
20100326896
2010-12-30

SYSTEM INCLUDING A DIGESTER AND A DIGESTER EMULATOR

#104
20100313964
2010-12-16

Devices for treating, sensing, or otherwise acting upon fluid

#105
20100176060
2010-07-15

Method to inhibit scale formation in cooling circuits using carbon dioxide

#106
20100150818
2010-06-17

Clarification of water and wastewater

#107
20090277841
2009-11-12

METHOD FOR MINIMIZING CORROSION, SCALE, AND WATER CONSUMPTION IN COOLING TOWER SYSTEMS

#108
20090236283
2009-09-24

Method of denitrifying wastewater

#109
20090236235
2009-09-24

Water treatment system and method

#110
20090032459
2009-02-05

Colored wastewater discoloration method

#111
20080288111
2008-11-20

Method and apparatus for determination of coagulant injection rate in water treatment process

#112
20080116136
2008-05-22

Water treatment system

#113
20080087602
2008-04-17

METHOD AND APPARATUS FOR TREATING WASTEWATER

#114
20070175804
2007-08-02

Coagulation-sedimentation apparatus

#115
20070075017
2007-04-05

System for treating wastewater

#116
20060286263
2006-12-21

Functional Water

#117
20060091046
2006-05-04

Recycled irrigation water treatment system including reverse osmosis

#118
20060027463
2006-02-09

Water treatment apparatus utilizing ozonation and electrolytic chlorination

#119
20050263457
2005-12-01

Water treatment process

#120
20050127010
2005-06-16

Water treatment system

#121
20050103644
2005-05-19

Water treatment system and method

#122
20050103631
2005-05-19

Water treatment system and method

#123
18785323
2025-04-08

Treatment method for complete harmless treatment of activated sludge and complete resource utilization of activated sludge's products

#124
17715227
2024-04-23

Biosolids quality and dewaterability

#125
16843632
2024-01-09

Water filtration system with waste water treatment

#126
16411458
2020-03-03

Water monitoring device with replaceable reagent cartridge

#127
15990242
2019-05-14

Water monitoring device with replaceable reagent cartridge

#128
14988554
2017-10-03

Water monitoring device and method

#129
14340862
2015-08-18

Treatment of potable water