ClassID:

168996

G01N33/0024 - CPC Classification

Classification description:

Investigating or analysing materials by specific methods not covered by groups -; Gaseous mixtures, e.g. polluted air; General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels a chemical reaction taking place or a gas being eliminated in one or more channels

Recent Application in this class:
#1
20250100161
2025-03-27

SUBSTRATE CARRIER DETERIORATION DETECTION AND REPAIR

#2
20250035601
2025-01-30

CHEMICAL ANALYSIS PROCESS IN GAS PHASE

#3
20230191619
2023-06-22

System with substrate carrier deterioration detection and repair

#4
20230122407
2023-04-20

Protective enclosure for gas sensors

#5
20220018822
2022-01-20

Protective enclosure for gas sensors

#6
20210118665
2021-04-22

Substrate carrier deterioration detection and repair

#7
20200132628
2020-04-30

COMPACT MEASURING APPLIANCE AND METHOD FOR DETECTING HYDROCARBONS

#8
20190285599
2019-09-19

Method for calculating amount of ammonia in gas sample

#9
20190131119
2019-05-02

Substrate carrier deterioration detection and repair

#10
20180128798
2018-05-10

METHODS AND SYSTEMS FOR ANALYSING A FLUID MIXTURE

#11
20170336375
2017-11-23

Gas analysis apparatus

#12
20170276634
2017-09-28

Electrochemical gas sensor, filter and methods

#13
20170241927
2017-08-24

Ozone concentration analyzer and methods using same

#14
20170176378
2017-06-22

Gas component concentration measurement device and method for gas component concentration measurement

#15
20160084811
2016-03-24

Dual gas sensor structure and measurement method

#16
20140301899
2014-10-09

Gas analysis apparatus

#17
20140273258
2014-09-18

Functional Element for Arranging in Front of the Active Measuring Region of a Sensor Element

#18
20130039811
2013-02-14

Apparatus for the determination of a concentration of a component to be measured in a gas

#19
20130017618
2013-01-17

Chemical explosive detector

#20
20120279277
2012-11-08

Measuring device and method for detecting the hydrocarbon content in gases

#21
20110265550
2011-11-03

Measuring instrument and method for detecting the content of oil, hydrocarbons and oxidizable gases in air or compressed air

#22
20100293925
2010-11-25

Method for determining the nitrogen dioxide concentration in exhaust gases

#23
20100266768
2010-10-21

METHOD OF DOPING AND APPARATUS FOR DOPING

#24
20100041571
2010-02-18

Multiplexed lateral flow assay arrays

#25
20090302230
2009-12-10

Use of a Broad Band UV Light Source for Reducing The Mercury Interference in Ozone Measurements

#26
20070051641
2007-03-08

Oxides of nitrogen gas sensors and methods

#27
20070051163
2007-03-08

Method and apparatus for gas measurement at substantially constant pressure