H01J17/44 - CPC Classification Index

ClassID:

204771 ⎘

H01J17/44 - CPC Classification

Classification description:

Gas-filled discharge tubes with solid cathode; Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes having one or more control electrodes

Sub-classes:

H01J17/46 » for preventing and then permitting ignition but thereafter having no control 0

Recent Application in this class:

20230104635

2023-04-06

Glow discharge tube with a set of electrodes within a gas-sealed envelope

20210217573

2021-07-15

Bidirectional gas discharge tube

20160126050

2016-05-05

Vacuum switching assembly

20090121629

2009-05-14

Controllable gas-discharge device

15860225

2019-04-09

Low voltage drop, cross-field, gas switch and method of operation