| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 12/27/1983 | US4423298 Gas circuit breaker of resistance breaking type |
| 12/27/1983 | CA1159519A1 Process and apparatus for multiple-station resistance welding |
| 12/20/1983 | US4421962 Compressed gas circuit-breaker |
| 12/20/1983 | US4421961 Vacuum circuit breaker |
| 12/13/1983 | US4420662 Compressed-gas circuit breaker |
| 12/13/1983 | US4420346 Method of preparing contacts and electrodes of electric vacuum apparatuses |
| 12/06/1983 | US4419553 Vacuum type circuit breaker |
| 12/06/1983 | US4419552 Circuit breaker |
| 12/06/1983 | CA1158289A1 Circuit interrupter |
| 11/30/1983 | EP0095406A1 Switch with rotating arc and permanent magnet |
| 11/30/1983 | EP0095327A1 Vacuum interrupter |
| 11/30/1983 | EP0095038A2 Current limiting circuit-breaker having an improved contact arrangement |
| 11/29/1983 | US4418256 Electrically insulating plastic element for an electrical switching device, especially for use as the blast nozzle of a gas-blast switch |
| 11/29/1983 | US4418255 Contact arrangement for air-blast switches with a tubular element of ferromagnetic material |
| 11/23/1983 | EP0094858A1 Operating device for the poles of a high-voltage multi-pole circuit breaker |
| 11/23/1983 | EP0094697A1 Process for limiting the opening currents of the circuit breakers in a high-voltage switchgear, and application of the process |
| 11/22/1983 | US4417112 Load break switch with current quenching device |
| 11/22/1983 | US4417111 Three-phase combined type circuit breaker |
| 11/22/1983 | US4417110 Vacuum interrupter |
| 11/15/1983 | US4415787 Vacuum interrupter |
| 11/15/1983 | CA1157117A1 High power current limiter with a current commutating resistive element |
| 11/15/1983 | CA1157071A1 Vacuum interrupter with transfer-type axial magnetic field contacts |
| 11/09/1983 | EP0093414A2 Vacuum switch |
| 11/08/1983 | US4414450 High voltage power switch |
| 11/08/1983 | US4414449 Quick open and close disconnect switch |
| 11/08/1983 | US4414448 Vacuum circuit interrupter |
| 11/08/1983 | US4414447 Low DC voltage, high current switch assembly |
| 11/08/1983 | US4414446 Electric arc cooling apparatus for the chimneys of cut-out devices |
| 11/08/1983 | US4414445 Liquid SF6 interrupter with proportional feedback |
| 11/02/1983 | EP0093076A2 Primary circuit breaker |
| 11/01/1983 | US4413165 Outdoor high voltage circuit breaker |
| 11/01/1983 | CA1156297A1 Gas blast circuit breaker combining a magnetically driven rotating arc and a puffer induced gas blast |
| 10/26/1983 | EP0092301A2 Electrical shorting switch assemblies |
| 10/26/1983 | EP0092207A2 DC circuit breaker |
| 10/26/1983 | EP0092205A2 Composite circuit breaker |
| 10/25/1983 | US4412202 Electric circuit interrupting apparatus |
| 10/25/1983 | US4412115 Circuit interrupter |
| 10/25/1983 | US4412010 Composite of aluminum oxide, aluminum hydroxide, mica and zinc dorate hydrate |
| 10/25/1983 | CA1155888A1 High-voltage circuit breaker |
| 10/18/1983 | US4410778 Arc spinner with magnetically driven puffer |
| 10/18/1983 | US4410777 Vacuum circuit interrupter |
| 10/18/1983 | CA1155365A1 Gas pressure stabilising device for pneumatic circuit breaker |
| 10/12/1983 | EP0091259A1 Electrical switchgear |
| 10/12/1983 | EP0091082A1 Electromagnetically operable switching device |
| 10/11/1983 | US4409449 Operating mechanism for use in a circuit breaker |
| 10/11/1983 | US4409447 Gas blast circuit breaker combining a magnetically driven rotating arc and a puffer induced gas blast |
| 10/11/1983 | US4409446 Electrical switchgear |
| 10/05/1983 | EP0090579A2 Surge-absorberless vacuum circuit interrupter |
| 10/04/1983 | US4408108 Puffer type gas interrupter |
| 10/04/1983 | US4408107 Vacuum interrupter |
| 09/28/1983 | EP0089524A1 High-voltage switch |
| 09/28/1983 | EP0089464A2 Air circuit breaker |
| 09/28/1983 | EP0089463A2 Air circuit breaker |
| 09/27/1983 | CA1154483A1 Interphase barrier for switchgear |
| 09/27/1983 | CA1154481A1 Permanent magnet rotating arc switch |
| 09/20/1983 | US4405847 Arc chutes |
| 09/20/1983 | US4404892 Hydraulic operating apparatus |
| 09/20/1983 | CA1154061A1 Pyrolytic cartridge interruption assistance actuator for puffer breaker |
| 09/20/1983 | CA1154060A1 Connecting assembly between two casings of an electrical disconnecting apparatus |
| 09/14/1983 | EP0088442A2 Puffer type gas-blast circuit breaker |
| 09/14/1983 | EP0088215A2 Air circuit breaker |
| 09/14/1983 | EP0088167A2 Rotary-arc type gas-filled switch |
| 09/07/1983 | EP0088040A1 Vacuum switch with a ring acting as a field winding |
| 09/07/1983 | EP0087881A1 Process for bonding, copper or copper-chromium alloy to ceramics, and bonded articles of ceramics and copper or copper-chromium alloy |
| 09/07/1983 | EP0087642A1 Circuit-breaker arrangement suitable as a general circuit breaker |
| 09/06/1983 | US4403125 Gas-insulated disconnecting switch |
| 09/06/1983 | US4403124 Vacuum circuit interrupter with insulated vacuum monitor resistor |
| 09/06/1983 | US4402224 Pressure responsive monitoring device for vacuum circuit interrupters |
| 08/30/1983 | US4401871 Halogenated hydrocarbon compositions and electrical apparatus containing such compositions |
| 08/30/1983 | US4401870 Modular suction-gas-cooled magnetic blast circuit breaker |
| 08/30/1983 | US4401869 Using hydrogen as fill gas and a metal hydride as getter |
| 08/30/1983 | US4401868 Vacuum interrupter with a spacially modulated axial magnetic field contact |
| 08/30/1983 | US4400981 Method and apparatus for detecting abnormal conditions of switch gears |
| 08/30/1983 | CA1153096A1 Commutation circuit for an hvdc circuit breaker |
| 08/23/1983 | CA1152547A1 Low voltage high current switch |
| 08/10/1983 | EP0085205A1 High voltage circuit breaker and its use |
| 08/09/1983 | US4398187 Pressure monitoring system for a vacuum circuit interrupter |
| 08/09/1983 | US4398072 High-voltage device |
| 07/27/1983 | EP0084238A1 Vacuum interrupter |
| 07/26/1983 | US4395607 Gas blast switch |
| 07/21/1983 | WO1983002524A1 High current switching |
| 07/19/1983 | US4394554 Vacuum circuit interrupter |
| 07/12/1983 | US4393291 Gas blast interrupters |
| 07/12/1983 | US4393290 Puffer-type gas blast switch |
| 07/12/1983 | US4393288 Circuit breaker |
| 07/12/1983 | US4393286 Vacuum circuit breakers |
| 07/06/1983 | EP0083245A2 A sintered contact material for a vacuum circuit breaker |
| 07/06/1983 | EP0083200A1 Electrode composition for vacuum switch |
| 07/05/1983 | US4392035 Vacuum interrupter |
| 06/29/1983 | EP0082801A1 Vacuum switch with a ring to create an axial magnetic field |
| 06/28/1983 | US4390764 Puffer-type gas blast switch |
| 06/28/1983 | US4390763 Electrochemical cell shunting switch assembly with matrix array of switch modules |
| 06/28/1983 | US4390762 Contact piece for an electric vacuum switch |
| 06/28/1983 | CA1148797A1 Metal-ceramic joint |
| 06/21/1983 | US4389554 Transformer protective switch |
| 06/21/1983 | US4389553 Rotary disconnect switch |
| 06/21/1983 | CA1148594A1 Gas-blast switch |
| 06/21/1983 | CA1148593A1 Electric gas blast circuit breaker |
| 06/15/1983 | EP0081253A1 Gas blast switch |
| 06/14/1983 | US4388664 Apparatus for protecting vacuum interrupter type on-line tap changer |