G01L21/34 - CPC Classification Index

#1

20230366766

2023-11-16

OPERATING METHOD FOR A GROUP OF PRESSURE SENSORS

#2

20220341802

2022-10-27

Vacuum-tight electrical feedthrough

#3

20220334016

2022-10-20

Method for detecting pressure, and pressure sensor

#4

20210123827

2021-04-29

Ionization gauge and cartridge

#5

20210096035

2021-04-01

Polymer composite vacuum components

#6

20210080336

2021-03-18

Ionization gauge and cartridge

#7

20200343081

2020-10-29

Compact electrostatic ion pump

#8

20200161109

2020-05-21

Fast pressure sensing system

#9

20190368959

2019-12-05

Gas analysis with an inverted magnetron source

#10

20190271607

2019-09-05

Polymer composite vacuum components

#11

20190043702

2019-02-07

Ionization vacuum measuring cell

#12

20180259417

2018-09-13

Cold cathode ionization gauge and cold cathode ionization gauge cartridge

#13

20180164176

2018-06-14

Anode electrode shield for inverted magnetron cold cathode ionization gauge

#14

20180010977

2018-01-11

Cold cathode ionization vacuum gauge

#15

20170365438

2017-12-21

Compact modular cathode

#16

20170315012

2017-11-02

Cold cathode ionization vacuum gauge with multiple cathodes

#17

20170254714

2017-09-07

Vacuum gauge and contamination diagnosis method

#18

20170010172

2017-01-12

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

#19

20160209288

2016-07-21

Polymer composite vacuum components

#20

20160163483

2016-06-09

METHOD TO DETERMINE THE PRESSURE INSIDE OF A VACUUM INTERRUPTER, AND VACUUM INTERRUPTER ITSELF

#21

20160131548

2016-05-12

Long lifetime cold cathode ionization vacuum gauge design

#22

20160025587

2016-01-28

Ionization vacuum measuring cell

#23

20150185099

2015-07-02

Method and system for monitoring gas pressure for reference cavity of capacitance diaphragm gauge

#24

20150091580

2015-04-02

Cold cathode ionization vacuum gauge

#25

20150091579

2015-04-02

Cold cathode ionization vacuum gauge

#26

20140368210

2014-12-18

Cold cathode ionization vacuum gauge and inner wall protection member

#27

20140202254

2014-07-24

Method and system for monitoring gas pressure for reference cavity of capacitance diaphragm gauge

#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

20140125349

2014-05-08

ELECTROMETER CURRENT INJECTION BY HIGH VOLTAGE RAMP

#31

20130249563

2013-09-26

Cold cathode gauge fast response signal circuit

#32

20120169347

2012-07-05

Vacuum ionization gauge

#33

20110279127

2011-11-17

Cold cathode ionization vacuum gauge, vacuum processing apparatus having the same, discharge starting auxiliary electrode used for the same, and method of measuring pressure using the same

#34

20110234233

2011-09-29

Ionization gauge having electron multiplier cold emission source

#35

20110062961

2011-03-17

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

#36

20110018545

2011-01-27

Helium sensor

#37

20100301869

2010-12-02

Cold cathode ionization vacuum gauge, auxiliary discharge starting electrode, and vacuum processing apparatus

#38

20100259273

2010-10-14

COLD CATHODE IONIZATION VACUUM GAUGE, VACUUM PROCESSING APPARATUS INCLUDING SAME AND DISCHARGE STARTING AUXILIARY ELECTRODE

#39

20100237874

2010-09-23

Ionization vacuum gauge

#40

20100164502

2010-07-01

Cold cathode ionization vacuum gauge with trigger plate

#41

20090015264

2009-01-15

Ionization gauge with a cold electron source

#42

20080278173

2008-11-13

Ionization vacuum gauge

#43

20080224711

2008-09-18

Ionization vacuum gauge

#44

20080142710

2008-06-19

Cold cathode pressure sensor

#45

20080048663

2008-02-28

Apparatus for and method of measuring composition and pressure of the discharged gas from ion gauge using residual gas analyzer

#46

20070170926

2007-07-26

Method and device for measuring ultrahigh vacuum

#47

20060012373

2006-01-19

Cold-cathode ionization manometer having a longer service life due to two separate cathodes

#48

20050237066

2005-10-27

Cold cathode device and vacuum gauge using same

#49

20050140375

2005-06-30

Cold cathode ion gauge

#50

20050030044

2005-02-10

Ionization vacuum gauge

#51

16996561

2022-03-08

Method and apparatus for characterizing homodyne transmitters and receivers