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
H01H9/443
using permanent magnets
Filter patents View analytics View as hierarchy