Patents-Review.com
ClassID:

166893 ⎘

G01L21/30 - CPC Classification

Classification description:

Vacuum gauges by making use of ionisation effects

Sub-classes:
Recent Application in this class:
#1
20250046589
2025-02-06

CHAMBER FOR AN IONIZATION VACUUM GAUGE

 #2
20240194465
2024-06-13

Chamber for an ionization vacuum gauge

 #3
20230037123
2023-02-02

METHOD FOR CONTROLLING THE RADIOTHERAPY TREATMENT OF CANCER PATIENTS AND RELATED CONTROL DEVICE

 #4
20220120629
2022-04-21

Techniques for measuring collision rate with spatial filtering of scattered light

 #5
20210096035
2021-04-01

Polymer composite vacuum components

 #6
20200161109
2020-05-21

Fast pressure sensing system

 #7
20200025639
2020-01-23

Quantum pressure standard and methods for determining and using same

 #8
20190271607
2019-09-05

Polymer composite vacuum components

 #9
20180217077
2018-08-02

Apparatus and method for preventing malfunction in an electronic device

 #10
20180052127
2018-02-22

Device for detecting faults in rails by measuring impedance

 #11
20170315012
2017-11-02

Cold cathode ionization vacuum gauge with multiple cathodes

 #12
20170307459
2017-10-26

VACUUM PRESSURE GAUGE

 #13
20170248485
2017-08-31

Spark gap device and method of measurement of X-ray tube vacuum pressure

 #14
20170146420
2017-05-25

Ionization gauge for high pressure operation

 #15
20170010172
2017-01-12

Ionization pressure gauge with bias voltage and emission current control and measurement

 #16
20160320259
2016-11-03

Vacuum pressure gauge

 #17
20160273523
2016-09-22

Ground based systems and methods for testing reaction thrusters

 #18
20160240479
2016-08-18

System and method for identifying operating temperatures and modifying of integrated circuits

 #19
20160209288
2016-07-21

Polymer composite vacuum components

 #20
20160131548
2016-05-12

Long lifetime cold cathode ionization vacuum gauge design

 #21
20150377810
2015-12-31

Apparatus and method for preventing malfunction in an electronic device

 #22
20150355121
2015-12-10

Impedance-based measurement device with a two-dimensional array of coils

 #23
20150325424
2015-11-12

Method of assessing vacuum conditions in a mass spectrometer with transient signal decay rates

 #24
20150300904
2015-10-22

Ionization gauge for high pressure operation

 #25
20150108993
2015-04-23

Ionization gauge with emission current and bias potential control

 #26
20140368210
2014-12-18

Cold cathode ionization vacuum gauge and inner wall protection member

 #27
20140266231
2014-09-18

Ionized gas detector and ionized gas detecting method

 #28
20140176150
2014-06-26

Ionization vacuum measuring cell

 #29
20140152320
2014-06-05

Ionization gauge with operational parameters and geometry designed for high pressure operation

 #30
20120031162
2012-02-09

Method for functionally testing a leak detector

 #31
20110163754
2011-07-07

Ionization gauge with emission current and bias potential control

 #32
20110062961
2011-03-17

Ionization gauge with operational parameters and geometry designed for high pressure operation

 #33
20100213363
2010-08-26

Mass spectrometry unit

 #34
20100076712
2010-03-25

Gas analyzer

 #35
20090278436
2009-11-12

Ionization vacuum gauge

 #36
20090072836
2009-03-19

Pressure sensor using field emission of carbon nano-tube

 #37
20070251293
2007-11-01

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

 #38
20060123915
2006-06-15

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

 #39
20050155952
2005-07-21

Emission spectroscopic processing apparatus and plasma processing method using it