Patents-Review.com
ClassID:

204457 ⎘

H01J1/16 - CPC Classification

Classification description:

Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps; Main electrodes; Solid thermionic cathodes; Cathodes heated directly by an electric current characterised by the shape

Recent Application in this class:
#1
20250079108
2025-03-06

MOUNTED PLANAR FILAMENT

 #2
20240212964
2024-06-27

Monolithic heater for thermionic electron cathode

 #3
20240055213
2024-02-15

Monolithic heater for thermionic electron cathode

 #4
20240029989
2024-01-25

Electron source, method for manufacturing same, and device provided with electron source

 #5
20230215679
2023-07-06

Electron source, method for manufacturing same, emitter, and device including same

 #6
20190244781
2019-08-08

Production method of negative electrode, negative electrode, and X-ray tube device

 #7
20190193193
2019-06-27

ELECTRON BEAM SOURCE AND THE USE OF THE SAME

 #8
20180047540
2018-02-15

High dose output, through transmission and relective target X-ray system and methods of use

 #9
20170249269
2017-08-31

Adapter to concatenate connectors

 #10
20170092456
2017-03-30

Flexible flat emitter for X-ray tubes

 #11
20160372295
2016-12-22

Emitter with deep structuring on front and rear surfaces

 #12
20160189911
2016-06-30

High dose output, through transmission target X-ray system and methods of use

 #13
20160189910
2016-06-30

Metal-jet X-ray tube

 #14
20160181052
2016-06-23

Device for producing an electron beam

 #15
20160079028
2016-03-17

Electron beam emitter with increased electron transmission efficiency

 #16
20150366041
2015-12-17

X-ray tube electron sources

 #17
20150262782
2015-09-17

X-ray tube device and method for using X-ray tube device

 #18
20150255240
2015-09-10

Method for manufacturing electron source

 #19
20150117617
2015-04-30

X-ray tube

 #20
20150022080
2015-01-22

Cathode assembly for use in a radiation generator

 #21
20140079187
2014-03-20

Emission surface for an X-ray device

 #22
20130342106
2013-12-26

Thermionic emission device

 #23
20130221836
2013-08-29

Field emission electron source and field emission device using the same

 #24
20130039475
2013-02-14

Cathode element for a microfocus x-ray tube

 #25
20120212157
2012-08-23

Resistively heated small planar filament

 #26
20120045036
2012-02-23

X-ray tube electron sources

 #27
20110306264
2011-12-15

Method of manufacturing rhenium alloy emission filaments

 #28
20110084591
2011-04-14

THERMAL FIELD EMISSION CATHODE

 #29
20110036810
2011-02-17

MANUFACTURING METHOD OF ELECTRON SOURCE

 #30
20100277051
2010-11-04

Emission filaments made from a rhenium alloy and method of manufacturing thereof

 #31
20100239828
2010-09-23

RESISTIVELY HEATED SMALL PLANAR FILAMENT

 #32
20100067663
2010-03-18

Cathode

 #33
20100038556
2010-02-18

Hot cathode and ion source including the same

 #34
20100033093
2010-02-11

Lower turn per inch (TPI) electrodes in ceramic metal halide (CMH) lamps

 #35
20090323898
2009-12-31

Thermionic emitter designed to control electron beam current profile in two dimensions

 #36
20090315444
2009-12-24

Thermal field emission cathode

 #37
20090284121
2009-11-19

CATHODE WITH A SURFACE EMITTER COMPOSED OF ELECTRICALLY CONDUCTIVE CERAMIC

 #38
20090129550
2009-05-21

Filament assembly having reduced electron beam time constant

 #39
20090026956
2009-01-29

COILED COIL ELECTRODE DESIGN FOR HIGH PRESSURE SODIUM LAMPS

 #40
20090023355
2009-01-22

Electron source manufacturing method

 #41
20080251736
2008-10-16

Charged particle gun

 #42
20080203885
2008-08-28

THERMAL-ELECTRON SOURCE

 #43
20070246789
2007-10-25

THERMIONIC FLAT ELECTRON EMITTER

 #44
20070090744
2007-04-26

Filament for X-ray tube and X-ray tube having the same

 #45
20060145585
2006-07-06

Electron gun

 #46
20050052109
2005-03-10

Electron beam emitter

 #47
18791792
2025-04-08

Multi-material thermionic electron emitters

 #48
18404139
2024-09-03

Multi-material thermionic electron emitters

 #49
15056244
2017-07-04

Thermal field emitter tip, electron beam device including a thermal field emitter tip and method for operating an electron beam device

 #50
14922241
2016-12-27

Flat emitter