Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01H
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
Load children
9/00
Details of switching devices, not covered by groups H01H1/00 - H01H7/00
Load children Filter patents View analytics View as hierarchy
H01H9/30
Means for extinguishing or preventing arc between current-carrying parts
Load children Filter patents View analytics View as hierarchy
H01H2009/305
including means for screening for arc gases as protection of mechanism against hot arc gases or for keeping arc gases in the arc chamber
Filter patents View analytics View as hierarchy