Patents-Review.com
ClassID:

168134 ⎘

G01N2021/8528 - 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; Probe photometers, i.e. with optical measuring part dipped into fluid sample Immerged light conductor

Sub-classes:
Recent Application in this class:
#1
20250215797
2025-07-03

ATTENUATED TOTAL INTERNAL REFLECTION OPTICAL SENSOR FOR OBTAINING DOWNHOLE FLUID PROPERTIES

 #2
20250012730
2025-01-09

Apparatus And Method For MultiPhase Flowable Medium Analysis

 #3
20240353314
2024-10-24

CLEANING SYSTEM FOR PROBE UNIT

 #4
20240230537
2024-07-11

OPTICAL PROBE FOR PROCESS RAMAN SPECTROSCOPY AND METHOD OF USE

 #5
20240197142
2024-06-20

A SENSOR ASSEMBLY FOR SENSING THE TURBIDITY OF A CLEANING MEDIUM IN A CLEANING APPLIANCE

 #6
20240118216
2024-04-11

CHEMICAL TEST APPARATUS AND SUBSTRATE PROCESSING APPARATUS

 #7
20230296019
2023-09-21

Attenuated total internal reflection optical sensor for obtaining downhole fluid properties

 #8
20230100258
2023-03-30

In-situ monitoring of chemical fingerprints in oilfield applications

 #9
20220155219
2022-05-19

Liquid sensor

 #10
20200355073
2020-11-12

Attenuated total internal reflection optical sensor for obtaining downhole fluid properties

 #11
20200103350
2020-04-02

Ionic concentration-measuring device for measuring in situ an ionic concentration of an ionic compound in a porous medium solution and method therefor

 #12
20190261868
2019-08-29

Apparatus and system for measuring volume of blood loss

 #13
20190145888
2019-05-16

Measuring apparatus for analyzing a measuring medium

 #14
20190115199
2019-04-18

Luminescence based fiber optic probe for the detection of rare earth elements

 #15
20180356340
2018-12-13

Method and device for on-line detection of salinity of seater

 #16
20180306726
2018-10-25

Device for analyzing a product to be analyzed located in a product space

 #17
20180095041
2018-04-05

Optical sensing system for determining hydrogen partial pressure

 #18
20180073355
2018-03-15

Frequency comb for downhole chemical sensing

 #19
20170219737
2017-08-03

Downhole fluid properties optical analysis probe having a removable optical tip

 #20
20170115225
2017-04-27

Method and apparatus for measurement of a material in a liquid through absorption of light

 #21
20160161335
2016-06-09

Transverse optical transmission probe

 #22
20160054285
2016-02-25

Implementation concepts and related methods for optical computing devices

 #23
20160003736
2016-01-07

Dust line with optical sensor, and method for measuring the composition of dust

 #24
20150027243
2015-01-29

Holding device to hold a reflector and an electromagnetic guiding device

 #25
20140233880
2014-08-21

Head for an evanescent-wave fibre-optic sensor

 #26
20130194571
2013-08-01

Monolithic fiber optic sensor assembly

 #27
20120046642
2012-02-23

Optical detector for use in therapy

 #28
20120026495
2012-02-02

Device for on-site measurement of concentration of uranium in high temperature molten salts

 #29
20110259378
2011-10-27

ACOUSTIC CLEANING OF OPTICAL PROBE WINDOW

 #30
20100233329
2010-09-16

Recording of position-specific wavelength absorption spectra

 #31
20100177310
2010-07-15

Evanescent wave downhole fiber optic spectrometer

 #32
20100036064
2010-02-11

SEMIBATCH COPOLYMERIZATION PROCESS FOR COMPOSITIONALLY UNIFORM COPOLYMERS

 #33
20100035337
2010-02-11

Bioreactor with window

 #34
20100027015
2010-02-04

Optical sensor

 #35
20090302221
2009-12-10

APPARATUS AND METHOD FOR OPTICALLY DETERMINING THE PRESENCE OF CARBON DIOXIDE

 #36
20090153845
2009-06-18

Fiber optic refractometer

 #37
20090084156
2009-04-02

Method for measuring oxygen amount in hermetically sealed container and piercing device for hermetically sealed container used therefore

 #38
20080227083
2008-09-18

Optical detector for enzyme activation

 #39
20080192247
2008-08-14

Optical Probe for Detecting Sers-Active Molecules and Process for its Manufacture

 #40
20080087078
2008-04-17

Logging system and method for in-situ fluids sensing through optical fiber with attenuation compensation

 #41
20070234486
2007-10-11

Method and Device for Controlling a Dyeing Machine

 #42
20070132999
2007-06-14

Probe apparatus for measuring a color property of a liquid

 #43
20070107618
2007-05-17

Optical mine clearance probe and process for identification of a material

 #44
20070068242
2007-03-29

Method and apparatus for elemental analysis of a fluid downhole

 #45
20060241503
2006-10-26

Optical coherence tomography apparatus and methods

 #46
20060176478
2006-08-10

Raman spectroscopy with stabilized multi-mode lasers

 #47
20050151971
2005-07-14

Real-time biofilm monitoring system