G01N2201/0233 - CPC Classification Index

ClassID:

169597 ⎘

G01N2201/0233 - CPC Classification

Classification description:

Features of devices classified in; Mechanical; Controlling conditions in casing Gas purge

Sub-classes:

G01N2201/0235 » with gas filters in casing 3

Recent Application in this class:

20250271355

2025-08-28

SURFACE ANALYSIS SYSTEM FOR AIR PURIFICATION UNIT AND AIR PURIFICATION UNIT INCLUDING THE SAME

20240230555

2024-07-11

GAS FLOW CONFIGURATIONS FOR SEMICONDUCTOR INSPECTIONS

20240201078

2024-06-20

GAS ANALYSIS DEVICE AND LASER LIGHT TRANSMISSION MECHANISM

20240133825

2024-04-25

GAS FLOW CONFIGURATIONS FOR SEMICONDUCTOR INSPECTIONS

20220074865

2022-03-10

High-temperature optical probe

20180372607

2018-12-27

Nephelometric turbidimeter and method for controlling the humidity of venting air in a nephelometric turbidimeter

20180011081

2018-01-11

METHOD FOR DETECTING HELICOBACTER PYLORI

20170131199

2017-05-11

Probe for gas sensor having purge gas protection

20160097717

2016-04-07

Method and apparatus for measuring appearance and disappearance temperatures of wax for transparent, translucent and opaque oils

#10

20100201978

2010-08-12

Light source

#11

20100162766

2010-07-01

Method for monitoring by absorption spectroscopy during the forming of flat glass and monitoring device

#12

20080180698

2008-07-31

Purge gas flow control for high-precision film measurements using ellipsometry and reflectometry

#13

20060185440

2006-08-24

Testing of samples

#14

20050128486

2005-06-16

Device and method for spectroscopically measuring a gas concentration by determining a single absorption line

#15

16143762

2020-06-30

Apparatus and method of hydroxyl detection

#16

14051555

2017-12-12

Sample cup assembly, system and method for purging