ClassID:

204880

H01J23/20 - CPC Classification

Classification description:

Details of transit-time tubes of the types covered by group; Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge; Resonators Cavity resonators; Adjustment or tuning thereof

Sub-classes:
Recent Application in this class:
#1
20250349486
2025-11-13

COMPACT MODE CONVERTER WAVEGUIDE

#2
20250226169
2025-07-10

POWER SUPPLY DEVICE FOR GYROTRON AND POWER CONTROL METHOD

#3
20230187163
2023-06-15

Magnetron

#4
20220268699
2022-08-25

Cavity-enhanced fourier transform spectroscopy for chiral analysis

#5
20220165535
2022-05-26

MAGNETRON

#6
20200118782
2020-04-16

KLYSTRON

#7
20190302015
2019-10-03

Cavity-enhanced fourier transform spectroscopy for chiral analysis

#8
20190057831
2019-02-21

Left-handed material extended interaction klystron

#9
20180301311
2018-10-18

Extended interaction device comprising a core and shell device body for supporting ring-shaped resonant cavities, electron beam tunnels and a coupling groove therein and an output waveguide at a middle portion of the shell

#10
20180096815
2018-04-05

Magnetron having a cooling structure

#11
20180082817
2018-03-22

Relativistic magnetron using a virtual cathode

#12
20160035531
2016-02-04

Superconducting multi-cell trapped mode deflecting cavity

#13
20150170866
2015-06-18

Magnetron and high-frequency heating apparatus having the same

#14
20140191657
2014-07-10

Coaxial magnetron

#15
20130093320
2013-04-18

Electron accelerator having a coaxial cavity

#16
20110227480
2011-09-22

Magnetron and device using microwaves

#17
20100090602
2010-04-15

Strong power compact microwave tube

#18
20090312186
2009-12-17

Nano-fabricated superconducting radio-frequency composites, method for producing nano-fabricated superconducting rf composites

#19
20090153055
2009-06-18

Magnetron and method of manufacturing magnetron anode vane

#20
20090096378
2009-04-16

Traveling-wave tube 2D slow wave circuit

#21
20080116807
2008-05-22

Magnetron

#22
20070296515
2007-12-27

MAGNETRON

#23
20050174061
2005-08-11

Magnetron with a specific dimension reducing unnecessary radiation

#24
20050167426
2005-08-04

Magnetron

#25
20050116651
2005-06-02

Electron beam tube apparatus having a common output combining cavity

#26
20050061805
2005-03-24

Magnetron for microwave ovens and method of forming same

#27
16396150
2020-03-24

System with a high-power microwave vacuum tube (HPM-VT) device having non-evaporable getters (NEG) integrated in an RF cavity

#28
15267111
2017-08-22

Vacuum electron device drift tube

#29
14742634
2017-12-05

Relativistic magnetron with no physical cathode