ClassID:

168235

G01N2021/945 - 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 the presence of flaws or contamination; Investigating contamination, e.g. dust Liquid or solid deposits of macroscopic size on surfaces, e.g. drops, films, or clustered contaminants

Recent Application in this class:
#1
20260036517
2026-02-05

INSPECTION DEVICE, INSPECTION METHOD, AND INSPECTION PROGRAM

#2
20250334515
2025-10-30

BIOFILM THICKNESS MEASURING DEVICE

#3
20250334437
2025-10-30

METHOD FOR THE CONTACTLESS DETERMINATION OF CONDENSATE FORMATION

#4
20240418651
2024-12-19

APPARATUS AND METHOD FOR NON-CONTACT DETECTION OF HYDROCARBON AND OTHER FLUORESCENCE MATERIALS ON A SURFACE

#5
20240375617
2024-11-14

METHODS AND APPARATUSES FOR VEHICLE DIMENSIONING IN A CAR WASH

#6
20240280492
2024-08-22

METHOD AND SYSTEM FOR PFAS DETECTION IN WATER SOURCES

#7
20240151703
2024-05-09

Surface Water Quality Monitoring Method Based on High Spatial Resolution Satellite

#8
20240125712
2024-04-18

MACRO PLASTIC AND MICRO PLASTIC DETECTION METHOD BASED ON RGB AND HYPERSPECTRAL IMAGE FUSION

#9
20240003824
2024-01-04

METHOD FOR EVALUATING SUBSTRATE SURFACE CLEANLINESS ORIENTED TO ADDITIVE FORGING

#10
20230405938
2023-12-21

Techniques for contamination detection in additive fabrication and related systems and methods

#11
20230358689
2023-11-09

Estimating Biofilm Biomass on Objects in an Aquatic Environment

#12
20230287656
2023-09-14

WORK MACHINE

#13
20230172423
2023-06-08

System comprising a dishwasher and method for operating a dishwasher

#14
20230160389
2023-05-25

SUBMERSIBLE PUMP DETECTION SYSTEM

#15
20230141957
2023-05-11

Optical inspection device and inspecting method using the same

#16
20230003641
2023-01-05

DETECTION OF AN AMORPHOUS AND/OR CRYSTALLINE STRUCTURE OF PHOSPHATE AND/OR SULPHATE SALTS ON THE SURFACE OF A SUBSTRATE OR WITHIN A SUBSTRATE WITH A LWIR IMAGING SYSTEM

#17
20220268625
2022-08-25

Self-checking photoelectric sensor and method of operation

#18
20220228994
2022-07-21

DEVICE AND METHOD FOR INSPECTING LIQUID CRYSTAL STAIN OF POLARIZING PLATE

#19
20220178842
2022-06-09

Detecting device and automatic cleaner

#20
20220065796
2022-03-03

METHOD FOR VISUALIZING AND QUANTIFYING BIOFILM ON SOLID SURFACES

#21
20210277565
2021-09-09

METHOD AND APPARATUS FOR DETERMINING ESPECIALLY A CLEANING STRATEGY

#22
20210089809
2021-03-25

Deposit detection device and deposit detection method

#23
20210016744
2021-01-21

Optical surface contaminant detection

#24
20200408702
2020-12-31

Device for optical inspection of empty and liquid-filled containers

#25
20200340914
2020-10-29

Information processing apparatus, information processing method, program, and monitoring system

#26
20200282657
2020-09-10

Techniques for contamination detection in additive fabrication and related systems and methods

#27
20200249085
2020-08-06

Handheld scanner for improved stain detection, system comprising such a handheld scanner, and method for operation thereof

#28
20200230631
2020-07-23

Purifying apparatus and purifying method

#29
20200103354
2020-04-02

DEVICE AND METHOD FOR PERCEIVING AN ACTUAL SITUATION IN AN INTERIOR OF A PEOPLE MOVER

#30
20190312548
2019-10-10

Methods and systems for determining soiling on photovoltaic devices

#31
20190226996
2019-07-25

Water ingress indicator for electronic devices

#32
20190136767
2019-05-09

System and method for coking detection

#33
20190107497
2019-04-11

Device and method for optical monitoring of surfaces of an object

#34
20190107496
2019-04-11

Apparatus and method for increasing dynamic range of a particle sensor

#35
20190033203
2019-01-31

Observation apparatus, observation system, data processing apparatus, and program

#36
20180306730
2018-10-25

Floor board unit, floor board and IoT home system

#37
20180284032
2018-10-04

Method of testing an object and apparatus for performing the same

#38
20180284017
2018-10-04

Optical sensor for detecting accumulation of a material

#39
20180180538
2018-06-28

Detecting moisture in solar cells

#40
20180078963
2018-03-22

A METHOD AND A SYSTEM FOR MONITORING SPRAY NOZZLES IN A SPRAY DRYING OR SPRAY COOLING CHAMBER

#41
20180067059
2018-03-08

Substrate surface information detection device and substrate surface information detection method

#42
20170292917
2017-10-12

Analyte spatial detection systems and methods

#43
20170228882
2017-08-10

Method and device for detecting substances on surfaces

#44
20170115235
2017-04-27

Detection of surface contamination

#45
20170052122
2017-02-23

Detection device

#46
20160356224
2016-12-08

Fuel system coking sensor

#47
20160341672
2016-11-24

Method and device for rapidly detecting contaminants on high touch surfaces

#48
20160131579
2016-05-12

Adhering detection apparatus, adhering substance detection method, storage medium, and device control system for controlling vehicle-mounted devices

#49
20160077002
2016-03-17

Sensor for sensing reflective material located on a surface having more than one of radiation emitters located on either side of a radiation detector

#50
20150346109
2015-12-03

Method for particle detection on flexible substrates

#51
20150293032
2015-10-15

Unit and method for optical non-contact oil detection

#52
20150168299
2015-06-18

Integrated sensor apparatus of vehicle

#53
20150097789
2015-04-09

Electronic apparatus with proximity sensor and automatic calibration method thereof

#54
20150034827
2015-02-05

Detection of raindrops on a windowpane by means of camera and light

#55
20150029496
2015-01-29

Method of deposition monitoring

#56
20140375770
2014-12-25

METHOD AND APPARATUS FOR DETECTION OF FOREIGN OBJECT DEBRIS

#57
20140151538
2014-06-05

Fouling layer detection on an environmental sensor

#58
20140118746
2014-05-01

Equipment and method for diagnosing sliding condition of rotating electrical machine

#59
20140043613
2014-02-13

Reflective material sensor

#60
20120189992
2012-07-26

Apparatus And Method For Establishing Standards For Visual Residue Limits

#61
20120119110
2012-05-17

APPARATUS, AND ASSOCIATED METHOD, FOR DETECTING CONTAMINATION OF AN OBJECT

#62
20110235896
2011-09-29

Burr detecting apparatus and burr detection method thereof

#63
20110122423
2011-05-26

Monitoring system for the acquisition of the layer thickness of dust in ventilation ducts

#64
20110051130
2011-03-03

Foreign substance inspection apparatus, exposure apparatus, and method of manufacturing device

#65
20100277739
2010-11-04

Method and apparatus for detecting contaminates on a hard surface

#66
20100229902
2010-09-16

Particle inspection and removal apparatus and particle inspection and removal program

#67
20100155584
2010-06-24

SENSOR FOR DETECTING DIRT AND/OR RAIN AND METHOD FOR OPERATING A SENSOR

#68
20100147481
2010-06-17

METHODS OF MANUFACTURING CASTED ARTICLES, AND SYSTEMS

#69
20100110173
2010-05-06

Sheet-like product inspecting method and device

#70
20100096554
2010-04-22

DEVICE AND METHOD FOR EVALUATING CLEANLINESS

#71
20100045948
2010-02-25

EUV lithography apparatus and method for determining the contamination status of an EUV-reflective optical surface

#72
20090262621
2009-10-22

Method and apparatus for inspecting a pattern shape

#73
20090189074
2009-07-30

Detection of heavy oil using fluorescence polarization

#74
20090015824
2009-01-15

Optical multiwavelength window contamination monitor for optical control sensors and systems

#75
20080297798
2008-12-04

Apparatus and Method to Monitor Particulates

#76
20080105837
2008-05-08

SENSOR FOR DETECTING CONTAMINANTS AND/OR RAIN AND METHOD FOR OPERATING A SENSOR

#77
20070195323
2007-08-23

Assembly and method for identifying coatings lying on the surface of components and for determining their characteristics

#78
20070091303
2007-04-26

Device for detecting contamination of lens in exposure device

#79
20070035954
2007-02-15

Device for detecting the dirt accumulation on a transparent covering pane in front of a optical unit

#80
20070013900
2007-01-18

Wafer defect detection methods and systems

#81
20050168732
2005-08-04

Method and apparatus for detecting contaminants on a window surface of a viewing system utilizing light

#82
18488601
2025-12-16

Surface fouling detection

#83
17029123
2024-04-23

Surface fouling detection

#84
15725085
2018-08-21

Detection and identification of opaqueness of vehicle windows