Patents-Review.com
ClassID:

166883 ⎘

G01L21/10 - CPC Classification

Classification description:

Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured

Sub-classes:
Recent Application in this class:
#1
20250085180
2025-03-13

Thermal Conductivity Gauge

 #2
20240201035
2024-06-20

Thermal conductivity gauge

 #3
20230366763
2023-11-16

Thermal conductivity gauge

 #4
20210208016
2021-07-08

Thermal conductivity gauge

 #5
20190316981
2019-10-17

Thermal conductivity gauge

 #6
20190107458
2019-04-11

Vacuum gauge

 #7
20150276536
2015-10-01

Micro-Pirani vacuum gauges

 #8
20150128712
2015-05-14

Electromagnetic resonator pressure sensor

 #9
20110231117
2011-09-22

Electronic vacuum gauge and systems and methods of calibration and operation of same

 #10
20110061449
2011-03-17

ELECTRONIC DEVICE

 #11
20080168842
2008-07-17

Thermal vacuum gauge

 #12
20070251293
2007-11-01

Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure

 #13
20070017244
2007-01-25

Vacuum sensor

 #14
20060123915
2006-06-15

Method and apparatus for storing vacuum gauge calibration parameters and measurement data on a vacuum gauge structure

 #15
20060032257
2006-02-16

Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus

 #16
20050199067
2005-09-15

Determination of the gas pressure in an evacuated thermal insulating board (vacuum panel) by using a heat sink and test layer that are intergrated therein

 #17
20050092010
2005-05-05

Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus

 #18
20050076718
2005-04-14

Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor