ClassID:

166065

G01J2003/421 - CPC Classification

Classification description:

Spectrometry; Spectrophotometry; Monochromators; Measuring colours; Investigating the spectrum; Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry Single beam

Recent Application in this class:
#1
20250189434
2025-06-12

OPTICAL SYSTEM AND METHOD WITH ULTRA-LONG PATH MULTIPASS CELL HAVING NON-PARAXIAL PROPAGATION

#2
20250052613
2025-02-13

SPECTROPHOTOMETER

#3
20210131957
2021-05-06

Far-infrared spectroscopic device and far-infrared spectroscopic method

#4
20210041295
2021-02-11

TERAHERTZ SENSOR MODULE FOR SPECTROSCOPY AND IMAGING

#5
20210041293
2021-02-11

Terahertz spectroscopy and imaging in dynamic environments with spectral response enhancements

#6
20210041292
2021-02-11

Terahertz spectroscopy and imaging in dynamic environments

#7
20200072740
2020-03-05

Gas measurement system

#8
20190316965
2019-10-17

Gas analyzer

#9
20190310464
2019-10-10

IMAGE GENERATION DEVICE

#10
20190302084
2019-10-03

METHOD, DEVICE AND APPARATUS FOR MONITORING HALOGEN LEVELS IN A BODY OF WATER

#11
20190277755
2019-09-12

DEVICE AND METHOD FOR TISSUE DIAGNOSIS IN REAL-TIME

#12
20190277691
2019-09-12

Spectrometer with active beam steering

#13
20190154649
2019-05-23

Method, device and apparatus for monitoring halogen levels in a body of water

#14
20190120756
2019-04-25

TERAHERTZ REFLECTION IMAGING SYSTEM USING ROTATING POLYHEDRAL MIRROR AND TELECENTRIC F-THETA LENS

#15
20180306644
2018-10-25

Terahertz time-domain spectroscopy system

#16
20180128678
2018-05-10

Spectrometer with active beam steering

#17
20170356848
2017-12-14

Intergration of fluorescence detection capability into light absorbance measurement apparatus

#18
20170336261
2017-11-23

Terahertz wave spectrometry system

#19
20170102326
2017-04-13

Thermal infrared sensor and gas measuring apparatus

#20
20160327735
2016-11-10

System and method for using hollow core photonic crystal fibers

#21
20160054177
2016-02-25

Spectrometer with active beam steering

#22
20150316412
2015-11-05

Fiber optic coupled multipass gas minicell, design assembly thereof

#23
20140077083
2014-03-20

METHOD AND METER FOR DETERMINING GAS QUALITY

#24
17161814
2023-10-03

System, apparatus and methods for detecting methane leak