Patents-Review.com
ClassID:

168992 ⎘

G01N33/0018 - 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; Sample conditioning by diluting a gas

Recent Application in this class:
#1
20260133099
2026-05-14

Gas Collection Device

 #2
20260043778
2026-02-12

DEVICE FOR MEASURING ODOR

 #3
20240077464
2024-03-07

CHEMICAL SENSOR SYSTEM

 #4
20230133140
2023-05-04

Gas measuring apparatus with a compact design

 #5
20230123798
2023-04-20

DILUTER, ANALYSIS SYSTEM, AND ANALYSIS METHOD

 #6
20220343447
2022-10-27

VERIFICATION METHOD FOR AN OXYGEN REDUCTION SYSTEM

 #7
20220229032
2022-07-21

EXHAUST GAS ANALYZING DEVICE, GAS SUPPLY METHOD, AND EXHAUST GAS SAMPLING DEVICE

 #8
20220137006
2022-05-05

Odor evaluation device, odor evaluation method and device for preparing gas for odor evaluation

 #9
20210333255
2021-10-28

Electro-pneumatic module for enhanced gas titration/dilution processing

 #10
20200400632
2020-12-24

Wide-concentration multi-component hazardous gas detector and implementation method thereof

 #11
20200348275
2020-11-05

Calibration of a gas sensor

 #12
20200284742
2020-09-10

Method and system for measuring conductivity of decationized water

 #13
20200116688
2020-04-16

Methods of using dilution of a second type to calibrate one or more sensors

 #14
20200088611
2020-03-19

Monitoring device for a system for generating medical compressed air

 #15
20200057040
2020-02-20

Gas phase standard preparation device and method to use

 #16
20190391121
2019-12-26

System and method for determining a contamination level in an emissions measurement device or system

 #17
20190391053
2019-12-26

Intelligent bag filling for exhaust sampling system

 #18
20190226950
2019-07-25

Injection apparatus and injection method for liquid sample for standard gas production

 #19
20190145945
2019-05-16

ELECTROCHEMICAL GAS SENSOR FOR USE IN ULTRA LOW OXYGEN STORAGE ENVIRONMENTS

 #20
20190101474
2019-04-04

Open emission analysis method and device

 #21
20190094110
2019-03-28

Leak detection method for open emission analysis, and open emission analysis device

 #22
20180275105
2018-09-27

Molecular detection apparatus and molecular detection method

 #23
20170074756
2017-03-16

Intelligent bag filling for exhaust sampling system

 #24
20160299083
2016-10-13

GAS SENSOR

 #25
20150316447
2015-11-05

Exhaust gas analyzer verification system

 #26
20150153255
2015-06-04

Exhaust gas dilution device

 #27
20150153254
2015-06-04

Intelligent bag filling for exhaust sampling system

 #28
20150020582
2015-01-22

System for taking exhaust gas samples from internal combustion engines

 #29
20140309947
2014-10-16

Method for identification and quantitative determination of an unknown organic compound in a gaseous medium

 #30
20130133308
2013-05-30

Apparatus and methods for determination of total and solid carbon content of engine exhaust

 #31
20120265089
2012-10-18

System and method for detecting valid breaths from a capnometry signal

 #32
20120090382
2012-04-19

DEVICE AND METHOD FOR ANALYSING GAS AND ASSOCIATED MEASUREMENT STATION

 #33
20110048105
2011-03-03

Dilution system test apparatus with added capability and method of operating same

 #34
20110030450
2011-02-10

Field olfactometer with differential flow-based dynamic dilution

 #35
20090003125
2009-01-01

EXHAUST GAS ANALYZER

 #36
20080257012
2008-10-23

Co2 Tracing Method for Measuring Raw Exhaust Gas Flow Rate at Exit From an Internal Combusting Engine for a Motor Vehicle and Measuring Equipment for Carrying Out Said Method

 #37
20080060453
2008-03-13

Thermophoresis-resistant gas dilution apparatus for use in emissions analysis

 #38
20070068236
2007-03-29

Sampler for engine exhaust dilution

 #39
20060144448
2006-07-06

Production of variable concentration fluid mixtures

 #40
20060144124
2006-07-06

Exhaust gas analyzer