• Technology trends
  • Patent search
  • Sign In
  • Sign Up
Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Load children
17/00
Gas-filled discharge tubes with solid cathode
Load children Filter patents View analytics View as hierarchy
H01J17/64
Tubes specially designed for switching or modulating in a waveguide, e.g. TR box
Filter patents View analytics View as hierarchy