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| Number | Title | Issue Date |
| 6624375 | Wire lug/arc vent barrier molded case circuit breaker The present invention provides a wire lug arc vent barrier for protecting a wire lug in a molded case circuit breaker, with the circuit breaker having a housing with a terminal for a load connection and a terminal for a line connection. The wire lug/arc v... | 09/23/2003 |
| 5933066 | Circuit interrupter with terminal shield and wire trough A molded case circuit breaker or switch having the LOAD and/or LINE terminals thereof protected by a multifunctional terminal shield arrangement which also provides interphase barriers for the aforementioned terminals and associated wiring. The barrier al... | 08/03/1999 |
| 5837955 | Gas circuit breaker The gas circuit breaker comprises a metal container filled with an insulating gas; first and second contacts disposed opposite each other in the metal container so that they can be brought into and out of engagement with each other; and a metal shield arr... | 11/17/1998 |
| 5728989 | Insulation gas filled circuit breaker An insulation gas filled circuit breaker in which a circuit breaking portion including two separably opposing contacts and a capacitor connected in parallel between the two contacts in the circuit breaking portion are disposed in a closed metal container ... | 03/17/1998 |
| 4748303 | Isolating switch of a high voltage metalclad installation An isolating switch of a metalclad installation having an earthed metal enclosure is filled with a high dielectric strength gas. The isolation gap "d" separating the stationary contact from the movable sliding pin is surrounded by an annular electrode fit... | 05/31/1988 |
| 4117289 | Single tank multibreaker circuit interrupter A gas insulated circuit breaker is provided having a plurality of circuit interrupters disposed in a single enclosure. Each interrupter is provided with its own high pressure container located within the sealed enclosure; the high pressure container also ... | 09/26/1978 |
| 4109124 | Circuit-breakers for high voltages Monophase or polyphase circuit-breaker for high voltages, in which the switch work is or the switch works of all phases together are insulatedly accommodated in a closed metal casing and the two end contact holders of the or each switch work are connected... | 08/22/1978 |
