Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Load children
19/00
Details of vacuum tubes of the types covered by group H01J21/00
Load children Filter patents View analytics View as hierarchy
H01J19/42
Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Load children Filter patents View analytics View as hierarchy
H01J19/44
Insulation between electrodes or supports within the vacuum space
Filter patents View analytics View as hierarchy