Arc preventing or extinguishing devices > Vacuum > Single-pole > Contact structure > Movable > Patents

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Class Information
Number: 218/124
Name: High-voltage switches with arc preventing or extinguishing devices > Arc preventing or extinguishing devices > Vacuum > Single-pole > Contact structure > Movable
Description: Subject matter including a conducting member which supports a contact surface arranged for movement to and from the stationary contact.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7115831	Vacuum interrupter with a switch contact piece	Oct. 3, 2006
6483065	Methods and apparatus for current transmission through a circuit breaker	Nov. 19, 2002
6153846	Vacuum insulated switching apparatus	Nov. 28, 2000
6005213	Insulated type switchgear device	Dec. 21, 1999
5777287	Axial magnetic field coil for vacuum interrupter	Jul. 7, 1998
5597992	Current interchange for vacuum capacitor switch	Jan. 28, 1997
5004877	Vacuum interrupter	Apr. 2, 1991
4506244	High voltage relay	Mar. 19, 1985