ClassID:

168141

G01N2021/8578 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems specially adapted for particular applications; Investigating moving fluids or granular solids Gaseous flow

Sub-classes:
Recent Application in this class:
#1
20260092863
2026-04-02

HIGH-PRESSURE ON-LINE OXYGEN MEASUREMENT SENSOR WITH INTEGRATED FLAMEPROOF HOUSING

#2
20260063569
2026-03-05

FUEL CELL CONTAMINATION DETECTION

#3
20250271350
2025-08-28

NESTED SLIT DESIGN FOR SINGLE RECEIVING OPTICAL CHANNEL PARTICULATE SENSOR

#4
20250244237
2025-07-31

UAV-BORNE, HIGH-BANDWIDTH, LIGHTWEIGHT POINT SENSOR FOR QUANTIFYING GREENHOUSE GASES IN ATMOSPHERIC STRATA

#5
20250173856
2025-05-29

METHOD TO AUTOMATE GAS LEAK DETECTION IN BATTERY MANUFACTURING USING DATA FROM OPTICAL GAS IMAGING SYSTEM

#6
20250123206
2025-04-17

DETECTION METHOD

#7
20250110093
2025-04-03

Methods for measuring fugitive emission rates

#8
20250067651
2025-02-27

AEROSOL CONCENTRATION SENSOR CALIBRATION DEVICE

#9
20240353314
2024-10-24

CLEANING SYSTEM FOR PROBE UNIT

#10
20240319100
2024-09-26

GASIFICATION TAR MONITORING SYSTEM, GASIFICATION TAR MONITORING METHOD AND GASIFICATION TAR MONITORING DEVICE

#11
20240302268
2024-09-12

AIR QUALITY MEASURING DEVICE

#12
20240288361
2024-08-29

DENSITY MEASUREMENT DEVICE

#13
20240264087
2024-08-08

DEVICE FOR MEASURING AT LEAST ONE GASEOUS OR SOLID MATERIAL

#14
20240241061
2024-07-18

ANALYSIS APPARATUS, BONDING SYSTEM, AND ANALYSIS METHOD

#15
20240159682
2024-05-16

FIRE SUPPRESSION TEST DEVICE

#16
20240044753
2024-02-08

AEROSOL DETECTION SYSTEMS

#17
20230233045
2023-07-27

VACUUM CLEANER FOR AIR POLLUTION PREVENTION

#18
20230146441
2023-05-11

DRONE FOR MEASURING DATA REPRESENTATIVE OF AMOUNTS OF AT LEAST TWO GASES PRESENT IN THE ATMOSPHERE AWAY FROM THE GROUND AND ASSOCIATED METHOD

#19
20230039657
2023-02-09

Detection method

#20
20220349805
2022-11-03

METHOD AND APPARATUS FOR DETECTING COMPOSITION OF AIRBORNE PARTICLES

#21
20220187192
2022-06-16

Gas concentration measurement system and airway adapter thereof

#22
20220128459
2022-04-28

METHOD FOR MEASURING THE CONCENTRATION OF GASEOUS SPECIES IN A BIOGAS

#23
20220074865
2022-03-10

High-temperature optical probe

#24
20220050053
2022-02-17

MODULAR PHOTOELECTRIC SMOKE SENSOR TUBE

#25
20220003686
2022-01-06

PROBE SUITABLE FOR MEASURING THE COMPOSITION OF AN OXIDISING GAS

#26
20220003664
2022-01-06

Cabin air sensor for ozone detection

#27
20220003662
2022-01-06

Concentration measurement method

#28
20210382475
2021-12-09

UAV-borne, high-bandwidth, lightweight point sensor for quantifying greenhouse gases in atmospheric strata

#29
20210364440
2021-11-25

Raman scattered light acquisition device, composition analysis device comprising same, and gas turbine plant

#30
20210349011
2021-11-11

Laser radar system apparatus for multi-wavelength measurement of atmospheric carbon dioxide concentration and vertical aerosol profile

#31
20210223176
2021-07-22

Method for degradation-compensated evaluation of luminescence sensor detection signals, and evaluation apparatus therefor

#32
20210131964
2021-05-06

Remote sensing-based detection system and method for gaseous pollutant from diesel vehicle exhaust

#33
20200284728
2020-09-10

DETECTION METHOD

#34
20200264094
2020-08-20

GAZ ANALYZER WITH PROTECTION FOR OPTICAL COMPONENTS

#35
20200256792
2020-08-13

Testing method and testing system

#36
20200249058
2020-08-06

Device and method for monitoring material flow parameters along a passage

#37
20200200674
2020-06-25

Gas analyzer for measuring nitrogen oxides and least one further component of an exhaust gas

#38
20200182776
2020-06-11

Absorption analyzer

#39
20200052010
2020-02-13

Multi-sensor optical device for detecting chemical species and manufacturing method thereof

#40
20200003684
2020-01-02

Portable moisture analyzer for natural gas

#41
20190383557
2019-12-19

Early detection of smoldering powders in powder drying systems comprising a CO gas detection system

#42
20190364974
2019-12-05

VAPORIZATION DEVICE DELIVERING METERED AMOUNT OF MEDICANT FROM NON-DOSAGE FORM SOURCE

#43
20190331595
2019-10-31

Gas analyzer

#44
20190310202
2019-10-10

Real-time silica discriminating respirable aerosol monitor with particle sizer and particle growth chamber upstream of reagent tank

#45
20190293614
2019-09-26

Vacuum ultraviolet absorption spectroscopy system and method

#46
20190257749
2019-08-22

Spectroscopic analysis apparatus

#47
20190257744
2019-08-22

System and a method for analysis of vent gas of a urea plant

#48
20190212260
2019-07-11

Method and device for monitoring the quality of gaseous media

#49
20190195725
2019-06-27

Hydrocarbon leak imaging and quantification sensor

#50
20190187019
2019-06-20

Method of indicating gas movement in a scene

#51
20190162654
2019-05-30

Optical analysis apparatus and manufacturing system for a substance

#52
20190133195
2019-05-09

INHALATION DEVICE WITH METERING

#53
20190094148
2019-03-28

Gas concentration measuring device

#54
20190079021
2019-03-14

Co-location of airborne atmospheric particulate sensing with aircraft lighting

#55
20190064028
2019-02-28

LEAK DETECTION SYSTEM AND LEAK DETECTION METHOD

#56
20190033224
2019-01-31

Measurement device for measuring fine particulate matter in at least one volume of air for a vehicle, particularly for a motor vehicle

#57
20190000351
2019-01-03

Sample cells for respired gas sampling and methods of manufacturing same

#58
20180252654
2018-09-06

Systems and methods for chamberless smoke detection and indoor air quality monitoring

#59
20180245988
2018-08-30

Measurement apparatus applicable to two-dimensional reconstruction of gas in combustion flow field

#60
20180238797
2018-08-23

Portable moisture analyzer for natural gas

#61
20180231448
2018-08-16

Particle-measuring apparatus

#62
20180217042
2018-08-02

Optical particle sensor and sensing method

#63
20180209853
2018-07-26

Equipment and method for three-dimensional radiance and gas species field estimation in an open combustion environment

#64
20180190548
2018-07-05

Method for measuring gas dissociation degrees

#65
20180188129
2018-07-05

Remote leak detection system

#66
20180153439
2018-06-07

Time-Resolved Single-breath Analysis Using Spectroscopic Methods

#67
20180136120
2018-05-17

Radar spectroscopy based gas sensor

#68
20180095030
2018-04-05

NO analysis device and analysis method

#69
20180024046
2018-01-25

Photoacoustic sensor system and methodology for detecting target molecules

#70
20170350272
2017-12-07

Condensation irradiation system

#71
20170274170
2017-09-28

METHOD AND GAS ANALYSIS UNIT FOR DETERMINING A CHANCE TO ENABLE A ZEROING OF GAS ANALYSIS

#72
20170254744
2017-09-07

Furnace atmosphere measurement

#73
20170236851
2017-08-17

Multi-sensor optical device for detecting chemical species and manufacturing method thereof

#74
20170156399
2017-06-08

Inhalation device with metering

#75
20170131208
2017-05-11

Device for measuring floating micro-organisms and air conditioner including device for measuring floating micro-organisms

#76
20170131199
2017-05-11

Probe for gas sensor having purge gas protection

#77
20170102333
2017-04-13

Method for in-line quantitative analysis of a stream in a production plant for the synthesis of urea

#78
20170101715
2017-04-13

Gas control system and program for gas control system

#79
20170030828
2017-02-02

Vacuum ultraviolet absorption spectroscopy system and method

#80
20160363530
2016-12-15

Process gas analyzer and method for analyzing a process gas

#81
20160358829
2016-12-08

Substrate processing apparatus and substrate processing method

#82
20160356703
2016-12-08

Gas detector and method of detection

#83
20160348561
2016-12-01

Analyzing apparatus and exhaust gas treating system

#84
20160305872
2016-10-20

Optical particle counter

#85
20160258876
2016-09-08

Online measurement of black powder in gas and oil pipelines

#86
20160169800
2016-06-16

Inline concentration meter and concentration detection method

#87
20160161401
2016-06-09

Capillary absorption spectrometer and process for isotopic analysis of small samples

#88
20160153897
2016-06-02

Chlorine dioxide gas concentration measuring apparatus

#89
20160153896
2016-06-02

Laser gas analyzer

#90
20160097695
2016-04-07

Maturation monitoring apparatus and methods

#91
20150338340
2015-11-26

Method and apparatus for monitoring a level of a gaseous species of interest

#92
20150308962
2015-10-29

Multi-sensor optical device for detecting chemical species and manufacturing method thereof

#93
20150293015
2015-10-15

Device and method for measuring the moisture in die casting molds

#94
20150276614
2015-10-01

SMOKE CONCENTRATION MEASUREMENT SYSTEM AND RELATED METHODS

#95
20150241359
2015-08-27

METHOD AND GAS ANALYSIS UNIT FOR DETERMINING A CHANCE TO ENABLE A ZEROING OF GAS ANALYSIS

#96
20150192551
2015-07-09

Industrial process stream compositional headspace analysis

#97
20150192224
2015-07-09

Tube hangers and systems for very early smoke detection

#98
20150015881
2015-01-15

Gas concentration estimation device

#99
20140379299
2014-12-25

SYSTEM AND A METHOD TO DETECT HYDROGEN LEAKAGE USING NANO-CRYSTALLIZED PALLADIUM GRATINGS

#100
20140361176
2014-12-11

System and method of monitoring composition of a flow of breathable gas using a detector and emitter positioned on the same side of the flow of breathable gas

#101
20140336953
2014-11-13

METHOD TO QUANTIFY EMISSION RATES IN ATMOSPHERIC PLUMES

#102
20140326049
2014-11-06

Method and apparatus for real-time measurement of fuel gas compositions and heating values

#103
20140326048
2014-11-06

System and method for monitoring composition in a sidestream system using a disposable sampling chamber

#104
20140231660
2014-08-21

Method and device for measuring the concentration of extinguishing agent in a fire zone

#105
20140220700
2014-08-07

Capillary absorption spectrometer and process for isotopic analysis of small samples

#106
20140211209
2014-07-31

Gas analysis apparatus

#107
20130194571
2013-08-01

Monolithic fiber optic sensor assembly

#108
20120077221
2012-03-29

DETECTION DEVICE AND METHOD FOR DETECTING ANALYTE

#109
20120009694
2012-01-12

APPARATUS AND METHOD FOR MONITORING PRECURSOR FLUX

#110
20120004861
2012-01-05

Energy flow measurement in gas pipelines

#111
20120002205
2012-01-05

Optoelectronic apparatus for gas analysis and method

#112
20110154884
2011-06-30

Pipe system, a gas sensing system for a pipe system, and a method of determining a gas component in a cavity of a pipe

#113
20100328663
2010-12-30

Optical backscatter probe for sensing particulate in a combustion gas stream

#114
20100238446
2010-09-23

Optical gas-analysis system and a gas flow cell

#115
20100238035
2010-09-23

DETECTION DEVICE AND METHOD FOR DETECTING ANALYTE

#116
20100127217
2010-05-27

METHOD FOR THE ONLINE ANALYSIS OF A VAPOUR PHASE PROCESS STREAM

#117
20100107729
2010-05-06

Energy flow measurement in gas pipelines

#118
20100073679
2010-03-25

Optical measuring head for a duct gas monitoring system

#119
20100073173
2010-03-25

PARTICULATE DETECTOR

#120
20100014094
2010-01-21

DISTRIBUTED GAS DETECTION

#121
20090216463
2009-08-27

Devices and methods for quantification of liquids in gas-condensate wells

#122
20090040505
2009-02-12

In-stream spectroscopic elemental analysis of particles being conducted within a gaseous stream

#123
20080288182
2008-11-20

Energy flow measurement in gas pipelines

#124
20080168851
2008-07-17

Probe

#125
20070243108
2007-10-18

Sulfur detector for gaseous fuels

#126
20070216903
2007-09-20

Cavity ring-down spectrometer for semiconductor processing

#127
20050173635
2005-08-11

Infrared gas detector

#128
13112293
2016-02-09

System and method for determining fluence of a substance