| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
|---|
| 06/14/1983 | US4388507 Excess-current protective switch |
| 06/14/1983 | US4388504 Switch operating means including latching means maintaining switch contacts open or closed |
| 06/08/1983 | EP0080690A2 Method of extinguishing the arc in high-voltage high-power circuit breakers |
| 06/07/1983 | US4387280 High speed hydraulically-actuated operating system for an electric circuit breaker |
| 06/01/1983 | EP0080315A1 Vacuum interrupter |
| 05/31/1983 | US4386253 Switch |
| 05/31/1983 | US4386250 Device for separably assembling two enclosures of a cut-out apparatus containing fluid under pressure |
| 05/31/1983 | US4386249 Vacuum circuit interrupter with auxiliary contact for plural arc path device with arc rotating means associated with the primary and auxiliary contacts |
| 05/25/1983 | EP0079818A1 Contactor device with means for automatically breaking power circuits and with a local operating device |
| 05/25/1983 | EP0079628A1 Switchgear |
| 05/18/1983 | EP0079293A2 Modular circuit interrupter with magnetic blow-out field and with gas cooling |
| 05/18/1983 | EP0079181A1 Vacuum monitor for vacuum interrupter and use of the vacuum monitor |
| 05/17/1983 | US4384185 Circuit interrupting device |
| 05/17/1983 | US4384182 Hydraulic actuator for an electric circuit breaker |
| 05/17/1983 | US4384179 Stiff flexible connector for a circuit breaker or other electrical apparatus |
| 05/11/1983 | EP0078719A1 Self-blast switch with permanent magnet |
| 05/11/1983 | EP0078418A2 Circuit breaker provided with parallel resistor |
| 05/10/1983 | US4383152 Circuit breaker |
| 05/10/1983 | US4383151 Operating mechanism for a fluid blast circuit interrupter |
| 05/10/1983 | US4383150 Circuit-interrupters having shunting capacitance around the separable power contacts with capacitance disconnecting means therefor |
| 05/04/1983 | EP0077981A2 Device for checking the density of a negatively charged gas in an electrical switchgear enclosure |
| 05/04/1983 | EP0077967A1 Setting resin masses and moulding compositions prepared therewith |
| 05/04/1983 | EP0012752B1 Short-circuiter for high direct currents |
| 05/03/1983 | CA1145800A1 Compressed-gas circuit interrupter with a heater |
| 04/27/1983 | EP0077516A1 Insulators |
| 04/26/1983 | US4381436 Rotary arc type circuit breaker |
| 04/26/1983 | US4381435 Vacuum circuit breaker with means for selectively latching a wipe cage |
| 04/26/1983 | CA1145382A1 Vacuum switch including a getter device |
| 04/20/1983 | EP0077157A1 Electrical contact structure of a vacuum interrupter |
| 04/13/1983 | EP0076659A1 A vacuum interrupter |
| 04/13/1983 | EP0076396A1 Contact arrangement for a vacuum switch |
| 04/12/1983 | US4379958 Gas-blast switch |
| 04/06/1983 | EP0075922A2 Ground test switch for insulated switchgear |
| 04/06/1983 | EP0075668A2 Compressed-gas circuit breaker |
| 04/05/1983 | US4378751 Condition indicating device for a puffer type load break switch |
| 04/05/1983 | CA1144217A1 Circuit breaker with means preventing arc restriking |
| 04/05/1983 | CA1144216A1 Loadbreak arc snuffing device |
| 04/05/1983 | CA1144203A1 Heater for sliding seal structure |
| 03/30/1983 | EP0075341A1 Electric power circuit breaker |
| 03/29/1983 | US4378479 Permanent current switch for short circuiting a superconducting magnet |
| 03/29/1983 | US4378477 Gas-blast switch |
| 03/29/1983 | CA1143770A1 Vacuum circuit interrupter |
| 03/23/1983 | EP0074419A1 High-power electric circuit breaker with a hydraulically operated actuating device |
| 03/16/1983 | EP0074328A2 Encapsulated high-voltage multi-pole power circuit breaker |
| 03/16/1983 | EP0073925A1 Contact arrangement for a vacuum switch |
| 03/08/1983 | US4376271 Polarized DC contactors |
| 03/08/1983 | US4376235 Electrical junction of high conductivity for a circuit breaker or other electrical apparatus |
| 03/02/1983 | EP0073175A1 Gas blast circuit breaker |
| 03/01/1983 | US4375527 Fiberglass reinforced plastic insulating member submitted to mechanical efforts within a high-voltage switching enclosure containing sulphur-hexafluoride gas |
| 02/23/1983 | EP0072771A1 One or multiphase switch for an encapsulated, gas-insulated high-voltage switchgear |
| 02/22/1983 | US4375023 Gas-blast switch |
| 02/16/1983 | EP0071867A1 Puffer type current interrupter |
| 02/15/1983 | CA1141410A1 Three-phase unitary vacuum switch |
| 02/08/1983 | US4372783 Electrical contact composition for a vacuum type circuit interrupter |
| 02/08/1983 | CA1141017A1 High voltage dc contactor with solid state arc quenching |
| 02/01/1983 | US4371766 Puffer interrupter with two-piece interrupter contact |
| 02/01/1983 | US4371765 Electrical switch for large currents |
| 02/01/1983 | CA1140625A1 Modular magnetic field blowout and induced gas circulation circuit breaker |
| 01/26/1983 | EP0070794A2 Circuit breaker with vacuum switch |
| 01/26/1983 | EP0070469A2 Vacuum switch |
| 01/26/1983 | EP0020349B1 Supervision device with a passive optical detector for electrical arcs in a circuit-breaker |
| 01/25/1983 | US4370531 Electric switch and improved device using same |
| 01/25/1983 | US4370530 Electrolytic cell electrical shunting switch assembly |
| 01/25/1983 | CA1140191A1 Gas-blast switch comprising gas heating means |
| 01/25/1983 | CA1140190A1 Gas-blast switch |
| 01/19/1983 | EP0070248A2 Isolating switch |
| 01/19/1983 | EP0069822A2 Nozzle body of insulating material for an electric compressed-gas circuit breaker |
| 01/19/1983 | EP0069819A2 Gas blast circuit breaker |
| 01/18/1983 | US4369364 Monitoring device with an optical sensor for the detection of interference arcs in electrical systems |
| 01/12/1983 | EP0069694A2 Contact system for gas blast circuit breaker |
| 01/12/1983 | EP0069693A2 Cylindrical container for a three-pole metal-clad gas-insulated high-voltage switchgear |
| 01/11/1983 | US4368367 Gas-blast switch |
| 01/11/1983 | CA1139341A1 Circuit interrupter |
| 01/11/1983 | CA1139340A1 Electric gas blast circuit breaker |
| 01/11/1983 | CA1139339A1 Gas blast switch |
| 01/05/1983 | EP0068279A2 Operating mechanisms for electrical switches |
| 01/04/1983 | US4367508 Current limiter |
| 01/04/1983 | US4367448 Direct current electromagnetic contactor |
| 01/04/1983 | US4367382 Vacuum circuit breaker |
| 01/04/1983 | US4367381 Switch for high voltages |
| 12/23/1982 | WO1982004496A1 Sudden interlocking and unlocking mechanism for translation switch |
| 12/22/1982 | EP0067683A1 Electric field detector |
| 12/22/1982 | EP0067460A1 High-voltage power circuit breaker |
| 12/21/1982 | US4365128 High-voltage circuit breaker |
| 12/21/1982 | US4365127 Vacuum power interrupter |
| 12/21/1982 | US4365126 Gas circuit breaker |
| 12/14/1982 | CA1137531A1 Puffer interrupter with two-piece interrupter contact |
| 12/08/1982 | EP0066533A2 Isolating switch for high-voltage installations |
| 12/08/1982 | EP0066298A2 SF6 gas insulating electric apparatus and process for producing the same |
| 12/08/1982 | EP0066163A2 Electrochemical cell shunting switch assemblies |
| 12/08/1982 | EP0066162A2 Low DC voltage, high current switch assemblies |
| 12/07/1982 | US4362915 Electric arc confining device |
| 12/07/1982 | US4362914 Electrical switch apparatus |
| 11/30/1982 | US4361742 Vacuum power interrupter |
| 11/23/1982 | US4360444 Getter body |
| 11/23/1982 | US4360207 Heater for sliding seal structure |
| 11/23/1982 | CA1136191A1 Electric switch and operating mechanism therefor |
| 11/23/1982 | CA1136183A1 Device for inserting a resistance at the closure of a circuit breaker |
| 11/16/1982 | US4359616 Self-extinguishing switch |
| 11/10/1982 | EP0064425A2 Interrupter with rotating arc in an insulating gas |