Vacuum interrupter with cup-shaped contact having an inner...

Vacuum interrupter with improved vapor shield for gas...

Vacuum interrupter with transfer-type axial magnetic field...

Vacuum interrupters enclosed in vacuum housings

Vacuum loadbreak switch

Vacuum operated circuit breaker

Vacuum operated switch construction

Vacuum operated switches and method of making the same

Vacuum operated timer switch

Vacuum power circuit breaker

Vacuum power interrupter comprising cu or au alloy brazing...

Vacuum pump and gauge for measurement of high vacuum

Vacuum recloser

Vacuum responsive voltage generator for a fuel injection system

Vacuum speaker

Vacuum sputtering cathode

Vacuum switch

Vacuum switch

Vacuum switch

Vacuum switch and electro-magnetic coil assembly therefor