ClassID:

167837

G01N2021/3513 - 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; Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands; Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light for analysing gases, e.g. multi-gas analysis Open path with an instrumental source

Recent Application in this class:
#1
20250314582
2025-10-09

OPEN-PATH OPTICAL SENSORS FOR ANALYTE MEASUREMENTS

#2
20250049326
2025-02-13

Wearable device for differential measurement on pulse rate and blood flow

#3
20250017473
2025-01-16

WEARABLE DEVICE FOR DIFFERENTIAL MEASUREMENT ON PULSE RATE AND BLOOD FLOW

#4
20250017472
2025-01-16

MEASUREMENTS USING CAMERA SENSOR COUPLED TO A CHEMICAL DETECTION SYSTEM

#5
20250009233
2025-01-09

REMOTE SENSING SYSTEM WITH TIME-OF-FLIGHT SENSOR, ACTIVE ILLUMINATOR AND LIGHT SENSING SYSTEM

#6
20250009232
2025-01-09

TIME-OF-FLIGHT MEASUREMENT ON USER WITH CAMERAS AND POSITION SENSOR

#7
20240398237
2024-12-05

MEASUREMENTS USING CAMERA IMAGING TISSUE COMPRISING SKIN OR THE HAND

#8
20240389858
2024-11-28

ACTIVE REMOTE SENSING OF ATMOSPHERIC GASES OR SMOKE USING A TIME-OF-FLIGHT SENSOR

#9
20240268680
2024-08-15

Time-of-flight sensors co-registered with camera systems

#10
20240180428
2024-06-06

Wearable devices comprising semiconductor diode light sources with improved signal-to-noise ratio

#11
20240151640
2024-05-09

DETERMINING A PROPERTY OF A GAS PLUME PRODUCED BY BURNING HYDROCARBON EFFLUENT

#12
20240085318
2024-03-14

FULLY COMPENSATED OPTICAL GAS SENSING SYSTEM AND APPARATUS

#13
20240000317
2024-01-04

Identifying objects using near-infrared sensors, cameras or time-of-flight detectors

#14
20230277065
2023-09-07

Active illumination and time-of-flight camera system to evaluate facial blood flow, eye movements and physiological parameters

#15
20230266193
2023-08-24

SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR MULTI-MODEL EMISSION DETERMINATIONS

#16
20230204505
2023-06-29

DEVICE FOR DETECTING A GAS OR A MULTICOMPONENT GAS MIXTURE

#17
20230172455
2023-06-08

Short-wave infrared sensor for identifying based on water content

#18
20220308034
2022-09-29

Active remote sensing system using time-of-flight sensor combined with cameras and wearable devices

#19
20220291123
2022-09-15

Gas detection device, gas detection system, and gas detection method

#20
20220276159
2022-09-01

Gas sensors

#21
20220236174
2022-07-28

Optical measuring assembly and gas sensor comprising same

#22
20220160234
2022-05-26

Remote sensing and measurement system using time-of-flight detectors

#23
20220047167
2022-02-17

Wearable device coupled to time-of-flight imaging system

#24
20220011223
2022-01-13

Fully compensated optical gas sensing system and apparatus

#25
20210302307
2021-09-30

Open path gas detector with synchronous flash detection

#26
20210181175
2021-06-17

Time-of-flight physiological measurements and cloud services

#27
20210172870
2021-06-10

Optical detection system for detecting a substance in a measurement region

#28
20210164895
2021-06-03

GAS SENSORS

#29
20210116363
2021-04-22

Method of infrared spectrometric measurement of tunnel gas

#30
20200333312
2020-10-22

Non-invasive measurement of blood within the skin using array of laser diodes with Bragg reflectors and a camera system

#31
20200309684
2020-10-01

Hydrogen gas sensor and method for measurement of hydrogen under ambient and elevated pressure

#32
20200225149
2020-07-16

Non-destructive gas concentration analyzer

#33
20190368925
2019-12-05

Near-infrared time-of-flight cameras and imaging

#34
20190277753
2019-09-12

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

#35
20190195725
2019-06-27

Hydrocarbon leak imaging and quantification sensor

#36
20190137390
2019-05-09

Scanning IR sensor for gas safety and emissions monitoring

#37
20190113493
2019-04-18

Gas imager employing an array imager pixels with order filters

#38
20190113445
2019-04-18

Air pollution monitoring system and air pollution monitoring method

#39
20190003918
2019-01-03

Multi-laser gas leakage detector

#40
20180348121
2018-12-06

Compact optical gas detection system and apparatus

#41
20180292377
2018-10-11

Near-infrared time-of-flight imaging

#42
20180267282
2018-09-20

WIDE SPECTRUM OPTICAL SYSTEMS AND DEVICES IMPLEMENTING FIRST SURFACE MIRRORS

#43
20180266946
2018-09-20

Quantum Cascade Laser (QCL) Based Gas Sensing System and Method

#44
20180266944
2018-09-20

Scanning IR sensor for gas safety and emissions monitoring

#45
20180209902
2018-07-26

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

#46
20170322383
2017-11-09

CTIR spectrometer for large area assessment of gas emissions

#47
20170268992
2017-09-21

In-situ gas-measuring system for gas reactors with critical environments

#48
20170205339
2017-07-20

Optical sensor systems having sensor and detection modules

#49
20170131202
2017-05-11

System and method to detect vehicle emissions noncompliance

#50
20160356702
2016-12-08

Gas imager employing an array imager pixels with order filters

#51
20160231239
2016-08-11

Quantum cascade laser (QCL) based gas sensing system and method

#52
20150371374
2015-12-24

Methods for differential image quality enhancement for a multiple detector system, systems and use thereof

#53
20150355082
2015-12-10

Open path gas detector

#54
20150285704
2015-10-08

Calibration and quantification method for gas imaging camera

#55
20150226719
2015-08-13

Gas detection device

#56
20150120093
2015-04-30

Ice and water detection system

#57
20150068277
2015-03-12

Gas exchange system flow configuration

#58
20150041660
2015-02-12

Gas detector system

#59
20140361171
2014-12-11

Two-channeled measurement apparatus

#60
20140211209
2014-07-31

Gas analysis apparatus

#61
20140204382
2014-07-24

Miniature tunable laser spectrometer for detection of a trace gas

#62
20140160465
2014-06-12

Maturation apparatus and methods

#63
20140008526
2014-01-09

Calibration and quantification method for gas imaging camera

#64
20130258315
2013-10-03

Device for determination of gas concentration

#65
20130128271
2013-05-23

System and apparatus for monitoring concentration of greenhouse gas

#66
20130107263
2013-05-02

Remote absorption spectroscopy by coded transmission

#67
20130070233
2013-03-21

Image forming apparatus having optical sensor system, optical sensor system having shields, and method thereof

#68
20130027703
2013-01-31

Luminous unit

#69
20120261578
2012-10-18

SCANNING LASER INFRARED MOLECULAR SPECTROMETER

#70
20120241623
2012-09-27

Chemical species optical sensor operating in infrared

#71
20120217402
2012-08-30

Tactical chemical biological threat detection

#72
20120182555
2012-07-19

Gas detector for atmospheric species detection

#73
20120161022
2012-06-28

Apparatus for continuous in situ monitoring of elemental mercury vapour, and method of using same

#74
20120120397
2012-05-17

Hybrid gas analyzer with thermally insulated flow cell

#75
20120073355
2012-03-29

Gas exchange system flow configuration

#76
20110304470
2011-12-15

Gas concentration monitor

#77
20110242659
2011-10-06

Multi-pass optical cell with actuator for actuating a reflective surface

#78
20110228270
2011-09-22

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

#79
20110222063
2011-09-15

APPARATUS FOR DETERMINING CONCENTRATION OF GASEOUS COMPONENT

#80
20110211195
2011-09-01

Apparatus and method for determining concentration of gaseous component

#81
20110205524
2011-08-25

Methods of Analyzing Samples Using Broadband Laser Light

#82
20110194108
2011-08-11

Long optical path gas monitor

#83
20110170098
2011-07-14

Polarimetric hyperspectral imager

#84
20110149288
2011-06-23

Gas mixture measurement system and methods therefor

#85
20110095189
2011-04-28

Tactical chemical biological threat detection

#86
20110082649
2011-04-07

STAND-OFF ACTIVE DETECTION OF CHEMICAL SUBSTANCES

#87
20100328660
2010-12-30

Device for remote sensing of vehicle emission

#88
20100274501
2010-10-28

Systems for terrestrial target detection and characterization using a dispersed fourier transform spectrometer

#89
20100241361
2010-09-23

Binning and tomography for high spatial resolution temperature and species concentration measurements

#90
20100162766
2010-07-01

Method for monitoring by absorption spectroscopy during the forming of flat glass and monitoring device

#91
20100110438
2010-05-06

Hybrid gas analyzer

#92
20100045977
2010-02-25

Methods of analyzing samples using broadband laser light

#93
20100006760
2010-01-14

Ultraviolet lidar for detection of biological warfare agents

#94
20090279094
2009-11-12

Gas-measuring arrangement with an open optical measuring section

#95
20090231588
2009-09-17

Optical gas detection

#96
20090159798
2009-06-25

GAS IMAGING SYSTEM

#97
20090055102
2009-02-26

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

#98
20080285008
2008-11-20

Cars/absorption dual mode electro-optic sensor

#99
20080232422
2008-09-25

Laser Radiation Source

#100
20080225296
2008-09-18

Pressure-invariant trace gas detection

#101
20070242720
2007-10-18

Multi-pass optical cell with actuator for actuating a reflective surface

#102
20070097371
2007-05-03

LASER SENSING APPARATUS AND METHOD

#103
20070091409
2007-04-26

Device and method for the optical scanning of media, objects, or areas

#104
20070064230
2007-03-22

Broadband laser spectroscopy

#105
20070061114
2007-03-15

Method for improving the performance accuracy in differential absorption lidar for oil and gas pipeline leak detection and quantification

#106
20070045542
2007-03-01

Fenceline monitoring of air contaminants

#107
20070035730
2007-02-15

Enhanced signal detection of optically encoded particles via flare

#108
20070034978
2007-02-15

Photonic crystal emitter, detector and sensor

#109
20070007450
2007-01-11

Method and system for detection of gas leakage sources

#110
20060246592
2006-11-02

Identification of low vapor pressure toxic chemicals

#111
20060237657
2006-10-26

Real-time UV spectroscopy for the quantification gaseous toxins utilizing open-path or closed multipass white cells

#112
20060114464
2006-06-01

Mobile remote detection device and remote detection method for methane gas accumulations

#113
20060114447
2006-06-01

Laser radar apparatus having multiple output wavelengths

#114
20060109470
2006-05-25

Measuring environmental parameters

#115
20050207943
2005-09-22

System and method for detecting and identifying an analyte

#116
20050197794
2005-09-08

System and method for remote emissions sensing including calculation and calibration techniques compensating for temperature and pressure effects

#117
20050026276
2005-02-03

Remote detection and analysis of chemical and biological aerosols