ClassID:

169068

G01N33/188 - CPC Classification

Classification description:

Investigating or analysing materials by specific methods not covered by groups -; Water Determining the state of nitrification

Recent Application in this class:
#1
20260009761
2026-01-08

ELECTROCHEMICAL METHOD FOR DETECTION, IDENTIFICATION, AND QUANTIFICATION OF ANALYTES, AND EQUIPMENT TO PERFORM SAID METHOD

#2
20250224389
2025-07-10

WATER QUALITY MEASUREMENT METHOD, DEVICE, EQUIPMENT, AND STORAGE MEDIUM

#3
20250093320
2025-03-20

METHOD FOR ESTIMATING ABUNDANCE AND DISTRIBUTION FEATURES OF ANTIBIOTIC RESISTANCE GENES IN SURFICIAL SEDIMENTS OF LAKE AND RESERVOIR

#4
20250020624
2025-01-16

SYSTEMS AND METHODS FOR DETERMINING WATER QUALITY PARAMETERS

#5
20250003940
2025-01-02

BIOSENSOR, BIOSENSOR COMPONENTS, AND USE THEREOF

#6
20240427955
2024-12-26

INTELLIGENT SIMULATION DEVICE FOR BOTTOM SEDIMENT POLLUTION PROCESS AND CONTROL AS WELL AS EXPERIMENTAL METHOD

#7
20240353370
2024-10-24

PORTABLE ELECTROCHEMICAL NUTRIENT TESTING DEVICE FOR SOIL HEALTH MONITORING

#8
20240310350
2024-09-19

METHOD AND SYSTEM FOR PREDICTING EFFLUENT AMMONIA NITROGEN (NH4-N) AND ELECTRONIC DEVICE

#9
20240003800
2024-01-04

System for Deep Sediment Flow Culture Simulating In-situ Water Pressure

#10
20230152272
2023-05-18

CALIBRATION LIQUID FOR WATER QUALITY MEASUREMENT DEVICE, CALIBRATION-LIQUID-FILLED CONTAINER FOR WATER QUALITY MEASUREMENT DEVICE, AND CALIBRATION METHOD USING CALIBRATION LIQUID FOR WATER QUALITY MEASUREMENT DEVICE

#11
20230088167
2023-03-23

Nitrogen sensor apparatus for simultaneously measuring nitrate/nitrite and ammonium in wastewater and method of operating same

#12
20220268726
2022-08-25

WATER QUALITY MEASURING SYSTEM

#13
20220260547
2022-08-18

Predictive model for water quality deterioration

#14
20220214271
2022-07-07

Portable flow cell detector comprising a UV-LED emitting at 235 nm

#15
20220169532
2022-06-02

Methods and system for evaluating and maintaining disinfectant levels in a potable water supply

#16
20210208060
2021-07-08

Portable flow cell detector comprising a UV-led emitting at 235 nm

#17
20210055204
2021-02-25

Detection system and method for determining contaminant concentration in feed water stream

#18
20200249215
2020-08-06

SYSTEM, APPARATUS, AND METHOD FOR MEASURING ION CONCENTRATION WITH A STANDARD DEVIATION CORRECTION

#19
20200132655
2020-04-30

Cartridge-based sensor system for monitoring properties of field soils and wastewater

#20
20190210897
2019-07-11

Electrochemical analysis device for reagentless detection

#21
20190194034
2019-06-27

Methods and system for evaluating and maintaining disinfectant levels in a potable water supply

#22
20180031536
2018-02-01

Determination of aqueous nitrate concentration

#23
20170299511
2017-10-19

Optical nitrate sensor compensation algorithm for multiparameter water quality measurement

#24
20170254752
2017-09-07

Optical nitrate sensor for multiparameter water quality measurement

#25
20170097329
2017-04-06

Optical sensor for fluid analysis

#26
20160327511
2016-11-10

System, apparatus, and method for measuring ion concentration with a standard deviation correction

#27
20160299090
2016-10-13

A METHOD FOR QUANTITATIVE DETERMINATION OF NITROGEN IN AN AQUEOUS FLUID

#28
20160054281
2016-02-25

Optical sensor for fluid analysis

#29
20160054228
2016-02-25

Total nitrogen measurement apparatus

#30
20150291628
2015-10-15

NOVEL AZA BODIPY COMPOUND FOR THE SELECTIVE DETECTION OF NITRITE IONS IN WATER AND A PROCESS FOR PREPARATION THEREOF

#31
20150260701
2015-09-17

Method and apparatus for simultaneous online assay of nitrites and nitrates in water samples

#32
20150014165
2015-01-15

Solid state amperometric chloramine sensor

#33
20070233397
2007-10-04

System for detection and prediction of water quality events

#34
20070215556
2007-09-20

SYSTEM FOR DETECTION AND PREDICTION OF WATER NITRIFICATION

#35
18973214
2025-06-24

Monitoring method and device of dissolved greenhouse gases in wastewater

#36
16295585
2020-04-21

Water quality analyzer

#37
14522388
2017-08-01

Method for measuring the amount of extracellular fluid surrounding a surface disposed within a plant and the ionic population and identity of the dominant ion in that fluid