| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/27/1995 | DE4336074A1 Hydraulic device for a hydraulic drive for a high-voltage power circuit-breaker (high-voltage circuit-breaker) |
| 04/27/1995 | DE4335967A1 Medium-voltage switching devices |
| 04/25/1995 | US5410116 Of a power transformation system |
| 04/25/1995 | US5409519 Contact material for vacuum valve |
| 04/20/1995 | DE4411323C1 Electrical high-voltage power circuit breaker (power switch) having a drive |
| 04/19/1995 | CN1028262C Gas filling circuit breaker |
| 04/12/1995 | EP0647955A1 High voltage circuit breaker capable of interrupting fault currents with delayed zero-crossings |
| 04/12/1995 | CN2194544Y Full-isolation load switch |
| 04/12/1995 | CN1101454A Electromagnetic arc blowout switch |
| 04/11/1995 | US5406245 Arc-quenching compositions for high voltage current limiting fuses and circuit interrupters |
| 04/06/1995 | DE4429379A1 Vacuum switching tube having a vapour screen which is held in an insulated manner |
| 04/05/1995 | CN1101176A Conductive connector for switchgear |
| 04/05/1995 | CN1028134C Medium or high voltage circuit breaker having abutting arcing contacts |
| 04/05/1995 | CN1028133C Gas blast circuit breaker |
| 04/04/1995 | US5403543 Process for manufacturing a contact material for vacuum circuit breakers |
| 03/30/1995 | WO1995008836A1 Gas pressure switch |
| 03/30/1995 | WO1995008835A1 High-voltage power switch with a cooling device for cooling the quenching gas |
| 03/30/1995 | WO1995008834A1 High-voltage power switch with a cooling device for cooling the quenching gas |
| 03/30/1995 | WO1995008832A1 Power switch with an arc quenching device |
| 03/29/1995 | CN1100846A Switching apparatus |
| 03/29/1995 | CN1028063C DC high-speed vacuum circuit breaker |
| 03/28/1995 | US5402297 Commutating type DC circuit breaker arrangement |
| 03/28/1995 | US5401923 Resistor-provided UHV breaker |
| 03/22/1995 | EP0644638A1 Transportable remotely actuated racking device for use with high voltage industrial circuit breakers |
| 03/22/1995 | EP0644567A1 Gas-insulated high voltage circuit-breaker with rotating arc |
| 03/21/1995 | US5399973 Method and apparatus for detecting a reduction in the degree of vacuum of a vacuum valve while in operation |
| 03/21/1995 | CA2132075A1 Transportable remotely actuated racking device for high voltage electric circuit breakers |
| 03/16/1995 | WO1995007542A1 Bistable magnetic actuator |
| 03/16/1995 | CA2171093A1 Bistable magnetic actuator |
| 03/15/1995 | EP0643409A1 Shortcircuiting system for use in monopolar and bipolar electrolyzers |
| 03/11/1995 | CA2129703A1 Shortcircuiting system for use in monopolar and bipolar electrolyzers |
| 03/09/1995 | DE4330410A1 Device for the detection of internal arcs (fault arcs) |
| 03/08/1995 | CN1027841C Electrical circuit breaker with rotating arc and self-extinguishing expansion |
| 03/07/1995 | CA2053811C Arc detection circuit breaker |
| 03/02/1995 | DE4329349A1 Switching element which is encapsulated in a gas-tight manner |
| 03/01/1995 | EP0641005A2 Arc-quenching compositions for high voltage current limiting fuses and circuit interrupters |
| 03/01/1995 | EP0641002A1 High or medium high voltage circuit breaker with abutting contacts |
| 03/01/1995 | EP0641001A1 Vacuum switch tube |
| 03/01/1995 | EP0640999A1 Thermally conductive, insulating, arc-quenching coating compositions for current interrupters |
| 03/01/1995 | CN1099512A Electronic electromagnetic switch with arc-extinguishing means |
| 03/01/1995 | CA2131117A1 Thermally conductive, insulating, arc-quenching coating compositions for current interrupters |
| 02/28/1995 | US5394128 DC vacuum relay device |
| 02/28/1995 | CA1334595C Moving copper pivot |
| 02/23/1995 | DE4343786C1 High-voltage (high-tension) power circuit breaker (power switch) having a field electrode |
| 02/23/1995 | DE4327714A1 Disc-shaped plate |
| 02/22/1995 | EP0639843A1 Arc extinguishing chamber in particular for load break switch |
| 02/21/1995 | US5391930 Circuit breaker with parallel resistor |
| 02/14/1995 | US5388451 High voltage transmission switching apparatus with gas monitoring device |
| 02/08/1995 | EP0532513B1 Contact assembly for a vacuum switch tube |
| 02/08/1995 | CN2189350Y Switch for arc-extinguishing coil |
| 02/07/1995 | US5387773 Gas circuit breaker |
| 02/07/1995 | US5387772 Vacuum switch |
| 02/07/1995 | US5387771 Axial magnetic field high voltage vacuum interrupter |
| 02/01/1995 | EP0637114A1 A high voltage transmission switching apparatus with gas monitoring device |
| 02/01/1995 | CN1027561C Operating device for gas circuit breaker |
| 01/31/1995 | CA2127937A1 High voltage transmission switching apparatus with gas monitoring device |
| 01/25/1995 | CN2188238Y Arc extinguish device for high-tension load switch |
| 01/25/1995 | CN1097898A Arc extinguishing switch apparatus and method |
| 01/18/1995 | EP0634766A2 Vacuum circuit breaker and electric contact used in same |
| 01/18/1995 | EP0634765A1 Flexible connector for a circuit interrupter |
| 01/18/1995 | EP0634049A1 High-tension circuit-breaker. |
| 01/18/1995 | CN1027474C 开关机构 Switching mechanism |
| 01/17/1995 | US5382765 Grounding switch for a compressed-gas-insulated, metal-encased high-voltage switching system |
| 01/11/1995 | EP0633584A1 Protection and control device for electrical load |
| 01/11/1995 | CN1097262A Contact mechanism of arc-less high-voltage switch |
| 01/05/1995 | WO1995000964A1 Vacuum switching tube with annular insulator |
| 01/05/1995 | WO1995000459A1 Process for producing a gastight soldered joint and use of the process in the production of components with a vacuum-tight casing |
| 01/04/1995 | CN2186953Y High voltage vacuum circuit breaker |
| 01/04/1995 | CN1027332C 断路器 Breaker |
| 01/03/1995 | US5379014 Vacuum circuit breaker |
| 01/03/1995 | CA2069801C Contact socket manufacturing process; the contact socket thus obtained |
| 12/28/1994 | EP0631360A2 Apparatus and method for monitoring the position of a switch |
| 12/28/1994 | CN2186439Y Oil sign of high-voltage switch |
| 12/27/1994 | US5377067 Junction box with protection function to protect from overvoltage and overcurrent |
| 12/27/1994 | CA2044517C Integral varistor airconnect switch |
| 12/22/1994 | DE4422316A1 Vacuum switching tube having an annular insulator |
| 12/14/1994 | EP0628978A1 Electrical switch gear |
| 12/14/1994 | EP0628977A2 Multipolar circuit-breaker |
| 12/13/1994 | US5373131 Puffer circuit-breaker with two concentric interrupting chambers |
| 12/13/1994 | US5373130 Self-extinguishing expansion switch or circuit breaker |
| 12/13/1994 | US5373129 Power circuit breaker and power resistor |
| 12/08/1994 | WO1994028566A1 Partial discharge passive monitor |
| 12/08/1994 | DE4419029A1 Electromechanical interruptor device having arc changer |
| 12/08/1994 | DE4418797A1 Electrical high-voltage power circuit breaker (power switch) |
| 12/08/1994 | DE4319366A1 d.c. high-speed circuit-breaker using hybrid technology |
| 12/07/1994 | EP0627751A1 Circuit breaker with double arc lengthening for switching currents with a high DC component |
| 12/07/1994 | CN2184977Y Anti-wrong operation device for high voltage load stwitch cabinet |
| 11/30/1994 | EP0626708A1 Load break switch |
| 11/30/1994 | CN1095857A Grunding switch gear device |
| 11/29/1994 | US5369234 Perpendicularly-opening grounding section switch |
| 11/24/1994 | DE4423672A1 Vacuum-switch contact arrangement |
| 11/23/1994 | EP0603346A4 Automatic miniature circuit breaker with z-axis assemblable current response mechanism. |
| 11/23/1994 | EP0600072A4 Trip energy monitor. |
| 11/23/1994 | CN1095520A Disjoncteur a haute tension a auto-soufflage ayant une chambre de coupure a compressing de gaz reduite |
| 11/22/1994 | US5367134 Circuit breaker |
| 11/22/1994 | CA2043025C Medium voltage circuit breaker |
| 11/22/1994 | CA2041234C Series arc high voltage breaker |
| 11/22/1994 | CA2041108C Medium or high voltage circuit breaker having end arcing contacts |
| 11/22/1994 | CA2039645C Medium or high voltage circuit-breaker with arcing contacts |
| 11/22/1994 | CA1333183C Moving mains arc movement loop |