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| Number | Title | Issue Date |
| 6891122 | Vacuum switch tubes On both sides of a metal switching chamber, the novel vacuum switch tubes are respectively provided with two ceramic insulators which have the same diameter. Axially interspaced cylindrical vapor shields are fixed to the wing parts of said components. The easy to pr... | 05/10/2005 |
| 5737174 | ARC suppressor for systems supplying electrically conductive coating materials An arc suppressor is disclosed which includes at least one cartridge having a housing formed with a first end carrying an electrode, a hollow interior and a second end which mounts a cylinder whose piston head is axially movable within the interior of the... | 04/07/1998 |
| 4821140 | Gas insulated switchgear disconnector arrangement A gas insulated switchgear comprises main circuit disconnector units for three phases contained within a single vessel and a shunt circuit disconnector unit also contained within the vessel and provided in the vicinity of a side portion of the main circui... | 04/11/1989 |
| 4427862 | Contact assembly for a high-voltage circuit interrupter A female contact of an interrupter includes a number of flexible fingers in a cylindrical array defining a cavity toward the axis of which the fingers are biased. A pair of semi-annular refractory members are located at the free ends of the fingers and de... | 01/24/1984 |
| 4091251 | Vacuum switch A vacuum switch incorporating two contact elements arranged in an evacuated housing, the contact elements being in contact with one another in the closed condition of the switch and being separable from one another for cutting-off the current. As to the t... | 05/23/1978 |
