ClassID:

168088

G01N2021/775 - 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 material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator Indicator and selective membrane

Recent Application in this class:
#1
20250320540
2025-10-16

Point-of-Care Device for the Determination of Creatine Phosphokinase (CPK) in Biological Samples

#2
20250283830
2025-09-11

FLUORINE-DOPED CARBON DOT (CD)-MODIFIED ENRICHMENT CHROMOGENIC MEMBRANE AND USE THEREOF IN DETECTION OF THREE PERFLUORINATED COMPOUNDS (PFCs)

#3
20240252068
2024-08-01

ORTHOGONALLY REDUNDANT SENSOR SYSTEMS AND METHODS

#4
20230127982
2023-04-27

INDICATOR FILM

#5
20230119514
2023-04-20

SENSOR UNIT, MEASURING METHOD AND PRODUCTION METHOD

#6
20220087578
2022-03-24

Orthogonally redundant sensor systems and methods

#7
20210285877
2021-09-16

POLYMER MATRIX FOR SENSING

#8
20210055229
2021-02-25

OPTOCHEMICAL SENSOR, SENSOR CAP, USE OF THE OPTOCHEMICAL SENSOR, AND METHOD FOR PRODUCING AN ANALYTE-SENSITIVE LAYER OF AN OPTOCHEMICAL SENSOR

#9
20200240912
2020-07-30

Planar waveguide device with nano-sized filter

#10
20200166474
2020-05-28

SENSOR MEMBRANE, MEMBRANE CAP AND OPTOCHEMICAL SENSOR

#11
20200141933
2020-05-07

Diagnostic test for distinguishing the smoking status of a subject

#12
20200064325
2020-02-27

Measuring arrangement for determining an ozone content of a measured medium

#13
20190390896
2019-12-26

Gas sensor, refrigerator including same and control method therefor

#14
20190137378
2019-05-09

Unit for validating in situ decontamination effect and device for filtering biologically contaminated air to which the unit is applied

#15
20190117137
2019-04-25

Orthogonally redundant sensor systems and methods

#16
20190094147
2019-03-28

Hydrogen sensitive films and sensors produced therefrom

#17
20190064065
2019-02-28

Optical measurement probe

#18
20190011393
2019-01-10

Sensor

#19
20180328847
2018-11-15

Optochemical sensor

#20
20180321212
2018-11-08

METHODS AND APPARATUS FOR DETECTING COMPOUNDS IN LIQUIDS

#21
20180321160
2018-11-08

OPTICAL SENSOR DEVICE

#22
20180292325
2018-10-11

SYSTEMS AND METHODS FOR OPTOCHEMICAL IMAGING OF A CHEMICALLY ACTIVE SURFACE

#23
20180143210
2018-05-24

Device and methods of using device for detection of hyperammonemia

#24
20170215775
2017-08-03

Orthogonally redundant sensor systems and methods

#25
20170191942
2017-07-06

Systems and methods for detecting an optical change indicating the presence of an analyte

#26
20170184499
2017-06-29

Sensor cap for optochemical sensor

#27
20170176375
2017-06-22

Membrane and method of manufacture

#28
20170160005
2017-06-08

Gas sensor, refrigerator including same and control method therefor

#29
20170074850
2017-03-16

Film sensor

#30
20160116408
2016-04-28

Correction for osmotic pressure variations in chemo-optical sensor spots

#31
20160041105
2016-02-11

Optical sensor based on PFSI membrane comprising associated benzene-1,3-diol for detecting target compounds, and method thereof

#32
20150330959
2015-11-19

Fluorescence detector system for detection of an aromatic hydrocarbon

#33
20150192519
2015-07-09

Chemically stable sensing unit with protector element

#34
20150147231
2015-05-28

OPTOCHEMICAL SENSOR

#35
20140036263
2014-02-06

Apparatus for performing spectroscopy having a porous membrane

#36
20130273554
2013-10-17

Bioluminescent packaging

#37
20130266478
2013-10-10

Calibrator for a sensor

#38
20130244266
2013-09-19

Biosensing systems for measurement of lactose

#39
20130060106
2013-03-07

OPTICAL SENSING SYSTEMS AND METHODS

#40
20130060105
2013-03-07

Orthogonally redundant sensor systems and methods

#41
20130040404
2013-02-14

Barrier layer for glucose sensor

#42
20120214249
2012-08-23

Optical gas sensor for use with electrical equipment and methods of assembling same

#43
20100068749
2010-03-18

OPTICAL SENSOR AND METHOD FOR INDICATING THE AGE OR QUALITY OF A NATURAL PRODUCT

#44
20100003764
2010-01-07

OPTICAL SENSOR

#45
20080283388
2008-11-20

Hydrogen gas detecting membrane

#46
20080240667
2008-10-02

Coating material and fiber optic sensor in which this coating material is used

#47
20080199360
2008-08-21

Method and composition for a platinum embedded sol gel optical chemical sensor with improved sensitivity and chemical stability

#48
20070279624
2007-12-06

Sensitive System for Detecting Chemical and/or Physical State Changes Inside Packaged Media

#49
20070161113
2007-07-12

Ammonia sensor and system for use

#50
20070081758
2007-04-12

Optical waveguide type biochemical sensor chip and method of manufacturing the same

#51
20060013734
2006-01-19

Ion-sensitive fluorescence optical sensor

#52
20050269490
2005-12-08

Long period grating sensor methods and apparatus

#53
16943083
2022-07-12

Self-indicating colorimetric response materials for removal and sensing of toxic chemicals and narcotics

#54
15964850
2020-08-04

Self-indicating colorimetric response materials for removal and sensing of toxic chemicals and narcotics

#55
15667822
2019-10-15

Rapid analysis for cyanobacterial toxins