| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 10/30/2013 | EP2656997A1 Method for injection moulding of thermoplastic pole parts, and mould for proceeding the same |
| 10/30/2013 | EP2655939A1 Piston-and-cylinder device for medium- and high-voltage electrical appliances |
| 10/30/2013 | CN203260524U Energy storage transmission device of vacuum circuit breaker |
| 10/30/2013 | CN102290731B Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet |
| 10/30/2013 | CN102290730B Solid insulation sealed component for high-voltage alternating-current vacuum switch cabinet |
| 10/24/2013 | WO2013157360A1 Switchgear |
| 10/24/2013 | US20130277334 Dielectric Insulation Medium |
| 10/23/2013 | EP2654060A1 Inrush current suppression device |
| 10/23/2013 | EP2654059A1 Electric current switching device |
| 10/23/2013 | EP2652764A1 Storage module for a hydraulic stored-energy spring mechanism |
| 10/23/2013 | CN203250684U Electromagnetic operation mechanism of vacuum circuit breaker |
| 10/23/2013 | CN203250683U Lower wire outlet seat |
| 10/23/2013 | CN203250682U Upper wire outlet seat |
| 10/23/2013 | CN203250681U Connecting lever box |
| 10/23/2013 | CN103370760A Method, circuit breaker and switching unit for switching off high-voltage DC currents |
| 10/23/2013 | CN103368096A Solid insulation ring main unit |
| 10/23/2013 | CN103367056A Control device of medium piezoelectric switching unit and switching unit controlled by same |
| 10/23/2013 | CN103367055A Control device for electric protection apparatus and electric protection apparatus |
| 10/23/2013 | CN103367027A 断路器 Breaker |
| 10/23/2013 | CN103367026A Self-powered circuit breaker and air cylinder assembly thereof |
| 10/23/2013 | CN103367025A Vacuum arc extinguishing chamber |
| 10/23/2013 | CN103367024A Double contact of vacuum arc extinguishing chamber |
| 10/23/2013 | CN103367023A Full insulation vacuum breaker polar post |
| 10/23/2013 | CN103367022A Arc-extinguishing coil of gas insulating load switch |
| 10/23/2013 | CN103367021A Solid insulating isolating grounding switch |
| 10/23/2013 | CN101978452B Permanent magnet quenching device for load interrupters |
| 10/23/2013 | CN101523536B Vacuum interrupter chamber for medium-voltage switchgear |
| 10/22/2013 | US8564156 Apparatus and method of controlling switch units, and battery pack and battery management apparatus comprising said apparatus |
| 10/17/2013 | WO2013154892A1 Shipping configuration to reduce height of high voltage dead tank circuit breaker |
| 10/17/2013 | WO2013154891A1 Retaining structure for maintaining factory settings of gang-style linkage for high voltage dead tank breaker while mechanism is removed |
| 10/17/2013 | WO2013154889A1 Self-contained link module for gang-style high voltage dead tank breakers |
| 10/17/2013 | WO2013154825A1 Floating drive shaft between an actuating assembly and linkage structure of a dead tank breaker |
| 10/17/2013 | WO2013154824A1 Non-rotary, pull-pull interphase gang-style linkage structure for high voltage dead tank breaker |
| 10/17/2013 | WO2013153815A1 Contact device and electromagnetic switch using same |
| 10/17/2013 | WO2013153112A1 Circuit breaker |
| 10/17/2013 | WO2013153110A1 Circuit breaker |
| 10/17/2013 | WO2013152799A1 Passive resonance dc circuit breaker |
| 10/17/2013 | US20130270228 Switchgear |
| 10/16/2013 | EP2650892A1 Control device of a medium-voltage electric switchgear unit and switchgear unit controlled by one such device |
| 10/16/2013 | EP2650891A1 Control device for a medium-voltage electric protection apparatus comprising an interlock device and electric protection apparatus comprising same |
| 10/16/2013 | EP2649631A1 Thermal separating device |
| 10/16/2013 | CN203242560U Vacuum circuit breaker |
| 10/16/2013 | CN203242559U Permanent magnetic operating mechanism for vacuum circuit breaker |
| 10/16/2013 | CN203242558U Novel permanent magnetic mechanism |
| 10/16/2013 | CN203242557U 永磁机构 Permanent magnetic actuator |
| 10/16/2013 | CN203242556U 真空断路器 Vacuum Circuit Breaker |
| 10/16/2013 | CN203242555U Upper conducting rod structure of terminal post |
| 10/16/2013 | CN203242554U Vacuum circuit breaker |
| 10/16/2013 | CN203242553U Arc extinguish chamber of 145kV three-phase one-case combined electric appliance |
| 10/16/2013 | CN203242552U High-voltage alternating-current demarcation load switch |
| 10/16/2013 | CN203242551U Load switch |
| 10/16/2013 | CN203242550U Electromagnetic drive type solid insulating switch |
| 10/16/2013 | CN203242549U Electromagnetic drive solid insulating switch |
| 10/16/2013 | CN203242548U Isolating change-over switch |
| 10/16/2013 | CN103354192A Double-switching-on position spring operation mechanism |
| 10/16/2013 | CN102412088B Breaker manipulator |
| 10/16/2013 | CN102254734B High-voltage single-fracture vacuum arc extinguishing chamber |
| 10/16/2013 | CN102067258B Tripping assembly for switching device |
| 10/16/2013 | CN102017038B Medium voltage switch unit |
| 10/10/2013 | WO2013150930A1 Circuit breaker and circuit breaker operating method |
| 10/10/2013 | WO2013150929A1 Gas circuit breaker |
| 10/10/2013 | WO2013029942A3 Magnetic actuator and method for operating same |
| 10/10/2013 | US20130265693 Circuit breaker |
| 10/10/2013 | US20130264312 Method of manufacturing a push rod of a vacuum interrupter |
| 10/10/2013 | US20130264311 Switch with quenching chamber |
| 10/10/2013 | US20130264310 Switch having a quenching chamber |
| 10/09/2013 | EP2648202A1 Circuit breaker |
| 10/09/2013 | EP2647024A1 Electrical contact arrangement |
| 10/09/2013 | EP2646715A1 Pressure-resistant fluid encapsulation |
| 10/09/2013 | CN203232841U Intelligent vacuum circuit breaker configured with independent zero-sequence current transformer |
| 10/09/2013 | CN203232840U Tri-station load switch |
| 10/09/2013 | CN103348432A Vacuum bulb system comprising locking device |
| 10/09/2013 | CN103346039A Method for electrically detecting vacuum degree of vacuum circuit breaker through breakdown of auxiliary electrode |
| 10/09/2013 | CN101622683B Bistable electromagnetic actuator, control circuit for a dual coil electromagnetic actuator, and dual coil electromagnetic actuator including such control circuit |
| 10/08/2013 | CA2589410C High voltage disconnecting switch control |
| 10/03/2013 | WO2013145816A1 Vacuum switch |
| 10/03/2013 | US20130256274 Commutating circuit breaker |
| 10/02/2013 | EP2645396A1 Compressed gas switch |
| 10/02/2013 | EP2645395A1 An electric switching device and related electric apparatus |
| 10/02/2013 | EP2645378A1 Electric device with insulators |
| 10/02/2013 | EP2643930A2 Circuit arrangements for electronically controlled dc networks |
| 10/02/2013 | DE112011103758T5 Gasisolierte Schalteinrichtung Gas-insulated switchgear |
| 10/02/2013 | DE102012205224A1 Druckgasschalter Gas pressure switch |
| 10/02/2013 | CN203225201U 负荷开关 Load Switch |
| 10/02/2013 | CN203225200U Environment-friendly intelligent two-in-one outdoor on-pole vacuum circuit breaker |
| 10/02/2013 | CN203225199U Transmission insulating connecting rod mechanism used for disconnector equipment |
| 10/02/2013 | CN103339703A Opening/closing device and mechanism for operating opening/closing device |
| 10/02/2013 | CN103339702A Power switch device operation time prediction equipment and method |
| 10/02/2013 | CN103337407A Clockwise rotary transmission mechanism of vacuum circuit breaker |
| 10/02/2013 | CN103337406A Soft connection of vacuum arc extinguishing chamber |
| 10/02/2013 | CN102165664B Transformer inrush current suppression device |
| 10/02/2013 | CN101385108B Electrical switching device |
| 10/01/2013 | US8546716 Gas-blast circuit breaker with a radial flow opening |
| 09/26/2013 | WO2013140619A1 Current switch |
| 09/26/2013 | WO2013139421A1 Method for testing gas-insulated electrical high-voltage equipment, particularly for testing an sf6-filled high-voltage circuit breaker, and circuit arrangement comprising at least one electrical high-voltage device with an insulating gas filling |
| 09/26/2013 | WO2013029941A3 Magnetic actuator and method for the use thereof on electric switchgear assemblies |
| 09/26/2013 | US20130248492 Electrical contact arrangement |
| 09/26/2013 | DE102012005463A1 Verfahren zur Prüfung eines gasisolierten elektrischen Hochspannungsbetriebsmittels, insbesondere zur Prüfung eines SF6- gefüllten Hochspannungs-Leistungsschalters sowie Schaltungsanordnung umfassend wenigstens ein elektrisches Hochspannungsbetriebmittel mit einer Isoliergasfüllung Method of testing a gas-insulated high voltage electrical operating means, in particular for testing a SF6-filled high-voltage circuit breaker and circuit arrangement comprising at least one high-voltage electric equipment with a Isoliergasfüllung |
| 09/25/2013 | EP2642501A2 High voltage direct current breaker arrangement and method |
| 09/25/2013 | EP2641255A1 Circuit breaker with controlled exhaust |