ClassID:

166573

G01L1/241 - CPC Classification

Classification description:

Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infra-red, visible light, ultra-violet by photoelastic stress analysis

Recent Application in this class:
#1
20250383249
2025-12-18

SYSTEMS, APPARATUS AND METHODS FOR SENSING FORCE AND TORQUE

#2
20250377250
2025-12-11

Residual Stress Detection Method and residual stress detection system

#3
20250370352
2025-12-04

Methods And Systems For Measurement Of Semiconductor Structures With Mechanical Stress Modulation

#4
20250085177
2025-03-13

METHODS AND APPARATUS OF DETERMINING A STRESS-RELATED CHARACTERISTIC OF A SUBSTRATE

#5
20240060837
2024-02-22

RETROGRAPHIC SENSORS WITH FLUORESCENT ILLUMINATION

#6
20240060836
2024-02-22

SENSOR ARRANGEMENT FOR SENSING FORCES AND METHODS FOR FABRICATING A SENSOR ARRANGEMENT AND PARTS THEREOF

#7
20240018296
2024-01-18

Mechanophore-grafted polymers to form stress-responsive thermoset network

#8
20230294306
2023-09-21

Visual-Tactile Sensing Device for Use in Robotic Gripper

#9
20230175901
2023-06-08

STRAIN DETECTOR

#10
20230033906
2023-02-02

Stretchable strain sensors and devices

#11
20220397469
2022-12-15

Optical sensor and optical sensor module

#12
20220380250
2022-12-01

Inference method, quality control method, chemically strengthened glass, inference program, storage medium, inference device, and method of manufacturing chemically strengthened glass

#13
20220244151
2022-08-04

Evaluation method

#14
20210339456
2021-11-04

System and method of manufacturing suspension seating

#15
20210333162
2021-10-28

Stretchable strain sensors and devices

#16
20210293532
2021-09-23

Scatterometry based methods and systems for measurement of strain in semiconductor structures

#17
20210277172
2021-09-09

Mechanophore-grafted polymers to form stress-responsive thermoset network

#18
20210140924
2021-05-13

System and method for monitoring a change over time of a physical medium using ultrasonic wave sensing elements embedded therein

#19
20210133952
2021-05-06

Visualizing and modeling thermomechanical stress using photoluminescence

#20
20210131883
2021-05-06

System and method for detecting a modification of a compound during a transient period

#21
20210055232
2021-02-25

Evaluation method of silicon wafer

#22
20200393313
2020-12-17

Tactile sensors and methods

#23
20200286795
2020-09-10

Method and device for monitoring dicing tape tension

#24
20200191668
2020-06-18

Strain sensing compositions

#25
20200190250
2020-06-18

Mechanophore-grafted polymers to form stress-responsive thermoset network

#26
20200003876
2020-01-02

Systolic processor system for a light ranging system

#27
20190316982
2019-10-17

Printable high pressure irreversible indicating material

#28
20190277715
2019-09-12

Visual torque indication for threaded joints

#29
20190212129
2019-07-11

Apparatus for smart material analysis

#30
20190144323
2019-05-16

Glass manufacturing method and apparatus

#31
20190078402
2019-03-14

SYSTEMS AND METHODS FOR DETERMINING CONNECTION INTEGRITY BETWEEN TUBULARS

#32
20190025141
2019-01-24

Prism-coupling systems and methods for characterizing curved parts

#33
20180372565
2018-12-27

Optical resonance device, force measuring device and method, modulus measuring method and display panel

#34
20180329115
2018-11-15

Metamaterial device and method of making the same

#35
20180328722
2018-11-15

Apparatus and method for smart material analysis

#36
20180306658
2018-10-25

Surface refractive index measurement method and surface stress measurement method using the same

#37
20180274997
2018-09-27

Glass surface stress meter and multiple-tempered glass surface stress meter

#38
20180156677
2018-06-07

Cement having stress-indicating properties

#39
20180120096
2018-05-03

PROCESS FOR NON-DESTRUCTIVE TESTING USING DIRECT STRAIN IMAGING

#40
20180113036
2018-04-26

Strain sensor and recording medium

#41
20180091239
2018-03-29

Imaging system

#42
20180066937
2018-03-08

Structural color changeable material and strain detection apparatus

#43
20180024016
2018-01-25

Method for analyzing stress in an object

#44
20180020841
2018-01-25

Cushioning material having sensor, and bed

#45
20170355129
2017-12-14

System and method of manufacturing suspension seating

#46
20170328794
2017-11-16

Device and a method for evaluating a mechanical property of a material

#47
20170138387
2017-05-18

BOLT, NUT, AND STRAIN MEASUREMENT SYSTEM

#48
20170102277
2017-04-13

SYSTEM AND METHOD FOR OBTAINING FORCE BASED ON PHOTOELASTICITY

#49
20170030785
2017-02-02

Stress measuring method, stress measuring member, and stress measuring set

#50
20160370238
2016-12-22

Sensor system for laminated structures

#51
20160363542
2016-12-15

Inspection of microelectronic devices using near-infrared light

#52
20160363492
2016-12-15

Methods for in-plane strain measurement of a substrate

#53
20160273911
2016-09-22

Methods for determining mechanical quantities associated with a deformation force by utilizing an integrated computational element

#54
20160258827
2016-09-08

METHOD FOR DETERMING A TRANSITION POINT AND/OR FOR DETERMINING WALL SHEAR STRESSES ON SURFACES AROUND WHICH SURFACES A FLOW CIRCULATES, AND MEASURING DEVICE

#55
20160169664
2016-06-16

STRESS DISPLAY MEMBER AND STRAIN MEASUREMENT METHOD USING STRESS DISPLAY MEMBER

#56
20160103026
2016-04-14

Measuring device and method for ascertaining a pressure map

#57
20160069756
2016-03-10

Contact pressure measuring apparatus, method of manufacturing the same and method of measuring contact pressure

#58
20160048040
2016-02-18

Deformable photoelastic device

#59
20150308908
2015-10-29

Prism coupling methods with improved mode spectrum contrast for double ion-exchanged glass

#60
20150308897
2015-10-29

Method of enhancing contrast in prism coupling measurements of stress

#61
20150276706
2015-10-01

Method for diagnosis and/or prognosis of cancers by analysis of the mechanical properties of tumor cells

#62
20150276621
2015-10-01

Inspection of microelectronic devices using near-infrared light

#63
20150177082
2015-06-25

Force sensor and robot having force sensor

#64
20150066393
2015-03-05

Prism-coupling systems and methods for characterizing curved parts

#65
20150036120
2015-02-05

Method and arrangement for measuring blowing structures of a prestressed disc

#66
20140368808
2014-12-18

Prism coupling methods with improved mode spectrum contrast for double ion-exchanged glass

#67
20140268099
2014-09-18

Movement and expression sensor

#68
20140211195
2014-07-31

Plasmon resonance based strain gauge

#69
20140090487
2014-04-03

Apparatus and method for detecting the deflection of elastic elements

#70
20130250277
2013-09-26

Apparatus for quantifying unknown stress and residual stress of a material and method thereof

#71
20130199310
2013-08-08

Contact pressure detection apparatus and contact point pressure measurement apparatus

#72
20130068034
2013-03-21

Micromaterial strain measurement apparatus and method therefor

#73
20130036830
2013-02-14

Tensometric transducer

#74
20120314202
2012-12-13

Polariscope stress measurement tool and method of use

#75
20120262715
2012-10-18

Method for inspecting defects, inspected wafer or semiconductor device manufactured using the same, method for quality control of wafers or semiconductor devices and defect inspecting apparatus

#76
20120229794
2012-09-13

Thin film stress measurement 3D anisotropic volume

#77
20110032523
2011-02-10

Glass container wall thickness measurement using fluorescence

#78
20100253650
2010-10-07

Optical sensor for measuring a force distribution

#79
20100220324
2010-09-02

Downhole sensors using manufactured anisotropic permittivity

#80
20100180686
2010-07-22

Pressure sensor

#81
20100035043
2010-02-11

Sensor coating

#82
20090286076
2009-11-19

Material to be measured for stress analysis, coating liquid for forming coating film layer on the material to be measured, and stress-induced luminescent structure

#83
20090173159
2009-07-09

Method for generation of THz frequency radiation and sensing of large amplitude material strain waves in piezoelectric materials

#84
20090114033
2009-05-07

Stress history recording system

#85
20090015834
2009-01-15

Optical sensors for downhole measurements using birefringent materials

#86
20090015818
2009-01-15

Catheter surgery simulation

#87
20090012431
2009-01-08

Method and member for measuring stress distribution of natural bone, synthetic bone, or member attached to them

#88
20080123079
2008-05-29

Residual stress measuring method and system

#89
20080041141
2008-02-21

System and method for sensing torque on a rotating shaft

#90
20070273865
2007-11-29

Stress measuring method and instrument

#91
20070044568
2007-03-01

Strain measurement method and device

#92
20070043508
2007-02-22

Force vector reconstruction method using optical tactile sensor

#93
20060253942
2006-11-09

Smart materials: strain sensing and stress determination by means of nanotube sensing systems, composites, and devices

#94
20060192177
2006-08-31

Essentially thickness independent single layer photoelastic coating

#95
20060113473
2006-06-01

Method and apparatus for measuring the physical properties of micro region

#96
20060066853
2006-03-30

LED Polarimeter

#97
20060007424
2006-01-12

Method and apparatus for measuring strain using a luminescent photoelastic coating

#98
20050087021
2005-04-28

Reflective strain gauge and polarization-sensitive devices

#99
14703202
2016-06-21

Printing defect detection using photoelastic measurement device

#100
14703100
2016-06-21

Printing system controlled using photoelastic measurement device

#101
13556393
2015-06-09

Optical based tactile shear and normal load sensor

#102
12316238
2015-08-18

Deformable photoelastic device