ClassID:

168994

G01N33/0021 - 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 involving the use of a carrier gas for transport to the sensor

Recent Application in this class:
#1
20250116642
2025-04-10

MEASURING SYSTEM OF GASEOUS SUBSTANCES

#2
20240280723
2024-08-22

GEOLOGICAL HYDROGEN PRODUCTIVITY EVALUATION SYSTEM

#3
20240226870
2024-07-11

LABORATORY ON LOCATION TEST SYSTEM FOR ACCREDITATION OF BREATHING AIR QUALITY

#4
20240219361
2024-07-04

A METHOD AND SYSTEM FOR ANALYZING FLUID INCLUSIONS

#5
20240175853
2024-05-30

METHOD FOR CHARACTERIZING AN ANALYTE PRESENT IN A GAS SAMPLE CONTAINING AT LEAST ONE PARASITIC CHEMICAL SPECIES

#6
20240077396
2024-03-07

THERMAL ANALYSIS APPARATUS

#7
20230417720
2023-12-28

DEVICES AND METHODS FOR QUANTIFYING NITRIC OXIDE

#8
20230287297
2023-09-14

Perfume Compositions

#9
20220381730
2022-12-01

Sensors with capacitive transduction via metamaterials for gas detection

#10
20220297110
2022-09-22

Laboratory on location test system for accreditation of breathing air quality

#11
20210080438
2021-03-18

DEVICES, SYSTEMS AND METHODS FOR ANALYZING FLUID STREAMS

#12
20200110067
2020-04-09

Devices and methods for quantifying nitric oxide

#13
20190382684
2019-12-19

Perfume compositions

#14
20190353624
2019-11-21

Method for calibration, and measurement and analysis method

#15
20190101545
2019-04-04

Rotaxane-type probe for molecular imaging

#16
20190027353
2019-01-24

Apparatus and method for analyzing evolved gas

#17
20180052143
2018-02-22

Analysis device

#18
20170299562
2017-10-19

Bell cap aerosol adaptor

#19
20160320362
2016-11-03

Method and apparatus for reducing gas consumption in continuous flow analytical instruments

#20
20160209382
2016-07-21

Devices for use in detection and identification of trace and vapor amounts of substances

#21
20160123942
2016-05-05

Gas curtain at inlet for trace detectors

#22
20150226716
2015-08-13

Mobile scent tester

#23
20140345370
2014-11-27

Devices, systems and methods for analyzing fluid streams

#24
20140291218
2014-10-02

Sensing system for detecting a substance in a dialysate

#25
20140268529
2014-09-18

Array of elements and a human-computer interface device

#26
20120247182
2012-10-04

Mobile scent tester

#27
20060052953
2006-03-09

Analyzing system for the detection of reducing and oxidizing gases in a carrier gas with a metal-oxide-semiconductor sensor arrangement

#28
17355859
2022-05-31

Laboratory on location test system for accreditation of breathing air quality