ClassID:

167778

G01N2021/1795 - 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 in which incident light is modified in accordance with the properties of the material investigated; Remote sensing Atmospheric mapping of gases

Recent Application in this class:
#1
20260133030
2026-05-14

GAS-MAPPING 3D IMAGER MEASUREMENT TECHNIQUES AND METHOD OF DATA PROCESSING

#2
20250389535
2025-12-25

High-Sensitivity Gas-Mapping 3D Imager and Method ff Operation

#3
20250347619
2025-11-13

Method for remote detection of gaseous substances in the atmosphere by the DIAL system with two lasers and a remote detector

#4
20250327745
2025-10-23

OPTICAL SPECTROSCOPY FOR CHARACTERIZING ATMOSPHERIC EMISSIONS

#5
20250277736
2025-09-04

Detection Apparatus with Optical Detector and Particle Detection Method

#6
20250137926
2025-05-01

SYSTEM AND METHOD FOR REMOTE IMAGING OF GREENHOUSE GAS EMISSIONS

#7
20250110093
2025-04-03

Methods for measuring fugitive emission rates

#8
20250110047
2025-04-03

OPTICAL SPECTROSCOPY FOR CHARACTERIZING ATMOSPHERIC EMISSIONS

#9
20240210950
2024-06-27

APPARATUSES, SYSTEMS, AND METHODS FOR GAS FLUX MEASUREMENTS WITH MOBILE PLATFORMS

#10
20240061120
2024-02-22

LASER GAS DETECTOR AND LASER GAS DETECTION SYSTEM

#11
20240044783
2024-02-08

GENERATING HIGH-RESOLUTION CONCENTRATION MAPS FOR ATMOSPHERIC GASES USING GEOGRAPHY-INFORMED MACHINE LEARNING

#12
20240003807
2024-01-04

GAS IMAGING SYSTEM

#13
20230349824
2023-11-02

Interferometric gas sensor

#14
20230247171
2023-08-03

OPTICAL GAS IMAGING SYSTEMS AND METHOD COMPATIBLE WITH UNCOOLED THERMAL IMAGING CAMERAS

#15
20230243648
2023-08-03

HIGH-SENSITIVITY GAS-MAPPING 3D IMAGER AND METHOD OF OPERATION

#16
20230160814
2023-05-25

Method for remote detection of gaseous substances in the atmosphere by the DIAL system with two lasers and a remote detector

#17
20220412732
2022-12-29

GAS-MAPPING 3D IMAGER MEASUREMENT TECHNIQUES AND METHOD OF DATA PROCESSING

#18
20220196547
2022-06-23

System and device for substance detection

#19
20220057202
2022-02-24

High-sensitivity gas-mapping 3D imager and method of operation

#20
20210321174
2021-10-14

Laser gas detector and laser gas detection system

#21
20210318236
2021-10-14

Laser gas detector and laser gas detection system

#22
20210239606
2021-08-05

Computationally efficient method for retrieving physical properties from 7-14 um hyperspectral imaging data under clear and cloudy background conditions

#23
20210218909
2021-07-15

Optical gas imaging systems and method compatible with uncooled thermal imaging cameras

#24
20210181173
2021-06-17

Method and device for measuring atmospheric parameters to estimate the quality of the air and the climate variables

#25
20210181099
2021-06-17

Gas imaging system

#26
20210131950
2021-05-06

Apparatus and method for determining presence of a gas

#27
20200249117
2020-08-06

System and method for determining the integrity of containers by optical measurement

#28
20200182780
2020-06-11

Gas analysis system

#29
20200182779
2020-06-11

Gas analysis system

#30
20200149883
2020-05-14

Gas-mapping 3D imager measurement techniques and method of data processing

#31
20190285409
2019-09-19

High-sensitivity gas-mapping 3D imager and method of operation

#32
20190277753
2019-09-12

Systems and methods for multispectral imaging and gas detection using a scanning illuminator and optical sensor

#33
20190219391
2019-07-18

Certificate authority master key tracking on distributed ledger

#34
20190078966
2019-03-14

Gas leak position estimation device, gas leak position estimation method and gas leak position estimation program

#35
20190041525
2019-02-07

Spectrally-resolved raman water lidar

#36
20190026580
2019-01-24

Detection, characterization and presentation of adverse airborne phenomena

#37
20190003918
2019-01-03

Multi-laser gas leakage detector

#38
20180340885
2018-11-29

Method of frequency comb generation, associated generation module, remote spectroscopy method and associated spectroscopy device

#39
20180335380
2018-11-22

Optical gas imaging systems and methods

#40
20180321362
2018-11-08

Telescope

#41
20180321361
2018-11-08

Optical filter

#42
20180292286
2018-10-11

Detecting gas leaks using unmanned aerial vehicles

#43
20180216932
2018-08-02

High-sensitivity gas-mapping 3D imager and method of operation

#44
20180209902
2018-07-26

Apparatus and method for detecting a gas using an unmanned aerial vehicle

#45
20180188163
2018-07-05

Gas imaging system

#46
20170363463
2017-12-21

Non-power-driven photometer including multiple narrow-angle photoreceivers

#47
20170268993
2017-09-21

Optically detecting cloud metrics using sampled analog measurements of light reflection

#48
20170212219
2017-07-27

Micropulse differential absorption LIDAR

#49
20170115218
2017-04-27

Flexible three-dimensional long-path gas sensing by unmanned vehicles

#50
20170097302
2017-04-06

High-sensitivity gas-mapping 3D imager and method of operation

#51
20170097274
2017-04-06

Gas-mapping 3D imager measurement techniques and method of data processing

#52
20160274025
2016-09-22

Systems and methods for detecting gases, airborne compounds, and other particulates

#53
20160084760
2016-03-24

System and method of detecting atmostpheric trace gas concentrations in a cell

#54
20150323449
2015-11-12

Systems and methods for detecting gas leaks

#55
20140192356
2014-07-10

Arrangement and method for icing detection

#56
20140191130
2014-07-10

Remote measurement system and method for pesticide fog distribution and drifting tendency in aerial pesticide application

#57
20140160479
2014-06-12

Method and device for remote sensing of amount of ingredients and temperature of gases

#58
20140016134
2014-01-16

Miniaturized laser heterodyne radiometer for carbon dioxide, methane and carbon monoxide measurements in the atmospheric column

#59
20130335728
2013-12-19

System and method for monitoring unsaturated zone gas and near-surface atmosphere in real time by using isotope analyzer

#60
20130327942
2013-12-12

COMPACT SPECTROMETER FOR REMOTE HYDROCARBON DETECTION

#61
20130176570
2013-07-11

System, apparatus, and method for tracking atmospheric differential absorption

#62
20130128271
2013-05-23

System and apparatus for monitoring concentration of greenhouse gas

#63
20130044327
2013-02-21

Metrology system and method applied to an interferometer for remotely analysing a gaseous compound

#64
20120305773
2012-12-06

Methods and systems for remotely detecting hazardous materials using electromagnetic energy

#65
20120268739
2012-10-25

Apparatus for measuring pollutants and method of operating the same

#66
20120116713
2012-05-10

System and method for tomographic retrieval of parameter profile from traveling path

#67
20120026497
2012-02-02

Polarization switching lidar device and method

#68
20110251800
2011-10-13

System and apparatus for measurement and mapping of pollutants

#69
20110228270
2011-09-22

Open-Path Near Real-Time Full Wall Emissions Monitoring Method

#70
20110199222
2011-08-18

Gas activated changes to light absorption and emission characteristics for security articles

#71
20110181881
2011-07-28

Polarization switching lidar device and method

#72
20110122397
2011-05-26

Fugitive emission flux measurement

#73
20110044495
2011-02-24

Method and apparatus for gas detection based on spectral spatial misregistration

#74
20110038507
2011-02-17

Device and method for quantification of gases in plumes by remote sensing

#75
20100283992
2010-11-11

Method of optical teledetection of compounds in a medium

#76
20100277718
2010-11-04

Method and system for plasma-induced terahertz spectroscopy

#77
20100231906
2010-09-16

Method and device for measuring emissions of gaseous substances to the atmosphere using scattered sunlight spectroscopy

#78
20100145659
2010-06-10

Spectral signal detection system

#79
20100091267
2010-04-15

FUGITIVE EMISSION FLUX MEASUREMENT

#80
20100078561
2010-04-01

System and method for detecting, tracking and identifying a gas plume

#81
20090273781
2009-11-05

Apparatus and method for monitoring of gas having stable isotopes

#82
20090222207
2009-09-03

Methods and systems for plume characterization

#83
20090101842
2009-04-23

Standoff bioagent-detection apparatus and method using multi-wavelength differential laser-induced fluorescence

#84
20090055102
2009-02-26

Remote sensor and in-situ sensor system for improved detection of chemicals in the atmosphere and related method thereof

#85
20080309935
2008-12-18

Method for Methane Spectral Absorbance Calculation Using Sunlight

#86
20080251724
2008-10-16

Gas and/or flame imaging system with explosion proof housing

#87
20080203306
2008-08-28

Method and system for plasma-induced terahertz spectroscopy

#88
20080195335
2008-08-14

Matched optical waveforms for detection and identification of biological pathogens

#89
20080116377
2008-05-22

Method and System for Passive Remote Exhaust Emission Measurement

#90
20070291271
2007-12-20

Optical gas monitor

#91
20070222969
2007-09-27

Aircraft docking system

#92
20070210254
2007-09-13

Optical and laser differential absorption remote detection of TATP peroxide based explosives

#93
20070002306
2007-01-04

Ground surface cover type reflectivity variation correction in a differential absorption LIDAR system

#94
20060246592
2006-11-02

Identification of low vapor pressure toxic chemicals

#95
20060208190
2006-09-21

Chemical agent sensor having a stationary linear fringe interferometer

#96
20050178952
2005-08-18

Sensor for multi-band radiation detection within a field of view

#97
20050122526
2005-06-09

Measurement device for optical measurement of a property of a measurement object

#98
20050105083
2005-05-19

Fiber Raman sensor for remote chemical detection

#99
20050053104
2005-03-10

Backscatter absorption gas imaging systems and light sources therefore

#100
18766527
2025-02-25

Night hyper-spectral remote sensing imaging system for multi-component atmospheric trace constituents