| Patents for H02B 11 - Switchgear having carriage withdrawable for isolation (5,238) |
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| 08/02/1994 | US5334808 Draw-out molded case circuit breaker |
| 07/27/1994 | CN1090095A Arrangement of safe blocks of circuit breaker |
| 07/26/1994 | US5333230 Optical-fiber cable incorporated longer-sized subaqueous unit |
| 07/20/1994 | CN2172536Y Insulating protector for trolly high voltage switching cabinet |
| 07/05/1994 | US5327321 Protective shutter assembly for electrical terminals and method of using same |
| 06/29/1994 | CN2170592Y Reset once isolation plug |
| 06/22/1994 | EP0500546B1 Interlock for a plug-in unit |
| 06/01/1994 | CN2167458Y Vacuum carriage switchgear for 35KV single break |
| 05/04/1994 | EP0595730A1 Circuit-breaker with draw-out auxiliary circuit blocks |
| 05/03/1994 | US5309317 Drawout type switchgear including lock member to allow circuit breaker to be positioned in three locked positions |
| 04/27/1994 | CN2163465Y Trolley annular net switch cabinet |
| 04/21/1994 | DE4233200A1 Electrical switch appts. with plug-in connections - uses opposing spring contact tongues attached to end of flexible current band fitting either side of stationary current rail |
| 04/19/1994 | US5304755 Circuit interrupter apparatus |
| 03/09/1994 | CN2158586Y Travelling positioning device with display function |
| 03/03/1994 | WO1994005063A1 Improvements relating to electric power distribution |
| 01/19/1994 | CN2153887Y Explosion-proof high pressure vacuum distributor and vacuum switch |
| 01/12/1994 | CN2153159Y Improved mobile sheath switchbox |
| 01/11/1994 | US5278722 Switchgear racking mechanism including self-retaining crank and draw-out unit position indicator |
| 01/05/1994 | EP0577111A2 Safety shutter device for drawout type switch gear |
| 01/05/1994 | CN1080437A Plug for electric preventation against touching of switch |
| 12/15/1993 | CN2149699Y Hand vehicle cabinet door |
| 12/14/1993 | CA1325234C Circuit breaker |
| 12/08/1993 | CN2149039Y Automatic-resetting high-voltage isolating plug |
| 11/24/1993 | EP0570688A2 Switch gear |
| 10/28/1993 | WO1993021675A1 Stopper providing electrically insulating closure of a socket |
| 10/27/1993 | EP0567415A1 Disconnectable circuit breaker with moulded case |
| 10/27/1993 | CN2144882Y High voltage power control switch box |
| 10/27/1993 | CN1077818A Draw-out molded case circuit breaker |
| 10/21/1993 | DE4212756A1 Stopfen zum elektrisch dichten Verschließen einer Steckbuchse Plug for sealing an electrical socket |
| 10/07/1993 | DE4211421A1 Low voltage switch with moving gear - has threaded spindle in switch with travelling nut engaging in slot of coulisse lever on transverse shaft |
| 09/16/1993 | WO1993018564A1 Distribution board with rear electrical access |
| 09/14/1993 | US5245506 Switchboard and multi-stage switchboard assembly |
| 09/01/1993 | EP0557586A2 Drawout type switchgear |
| 09/01/1993 | CN1075832A Drawable switch equipment |
| 07/20/1993 | CA1320524C Electrical power protection technique |
| 07/13/1993 | US5227952 Interlock device for circuit breakers |
| 07/06/1993 | US5225962 Distribution board with rear electrical access |
| 06/29/1993 | CA1319732C Drawout and interlock assembly for molded case circuit breakers |
| 05/26/1993 | EP0543352A1 Switchboard |
| 05/26/1993 | CN1072535A Switchboard |
| 05/05/1993 | EP0540327A1 Cut-out with isolation switch |
| 04/27/1993 | US5206468 Locking apparatus for a drawer type circuit breaker |
| 04/21/1993 | CN2130294Y Automatic-homing high-voltage isolating plug |
| 04/14/1993 | EP0536573A2 Drawout type switch gear |
| 04/06/1993 | US5200585 Circuit breaker |
| 03/25/1993 | DE4131816A1 Contact system for encapsulated compressed gas power switches - has power switching stage coupled to isolating switching stage via contact fingers engaging blade connection, allowing some movement |
| 03/17/1993 | EP0278984B1 Closed switchboard |
| 03/16/1993 | CA1314579C Multiphase gas expansion circuit breaker for a gas-insulated metalclad cell |
| 02/24/1993 | EP0528445A1 Auxiliary switch for a slide in circuit breaker |
| 02/23/1993 | US5188538 Electrical connection, in particular for a modular, medium-tension electricity substation |
| 01/14/1993 | DE4122740A1 Safety unit for door of electrical switching panel esp. for medium voltage - has slide-in unit equipped with switch, and for closed and locked door is movable from in-position to isolated position and vice=versa |
| 01/07/1993 | WO1993000694A1 Improved fuse switch unit for panelboards |
| 12/09/1992 | CN2124518U Safety static socket |
| 11/19/1992 | DE4116058A1 Switchgear with fuse-holder installed in tubular heater housing - has cover contg. captive pin which protrudes when axially movable hammer is displaced w.r.t. contact piece |
| 11/17/1992 | US5164883 Contactor interlock |
| 10/14/1992 | CN1065356A Electrical connection, in particular for modular, medium-tension electri city substation |
| 09/23/1992 | CN2116977U Porcelain outlet box |
| 09/15/1992 | US5148139 Fuse switch unit for panelboards |
| 09/09/1992 | CN1018222B 断路器 Breaker |
| 09/02/1992 | EP0500546A1 Interlock for a plug-in unit. |
| 08/26/1992 | CN1063972A Switchboard assembly |
| 08/26/1992 | CA2061793A1 Circuit device racking mechanism |
| 08/26/1992 | CA2061792A1 Torque limited drawout mechanism for circuit device |
| 08/25/1992 | US5142110 Modified magne-blast circuit breaker and method of modification |
| 08/12/1992 | EP0498271A1 Switchboard assembly |
| 08/05/1992 | EP0497248A1 Electrical connection especially for medium voltage modules of electrical cabinet |
| 07/21/1992 | CA1305549C Insulating barrier system for switchgear |
| 07/07/1992 | CA1304811C Switch truck for an enclosed electrical switchgear panel |
| 06/09/1992 | US5120913 Torque limited drawout mechanism for circuit device |
| 05/20/1992 | CN2105127U Crank connecting-rod positioner |
| 04/01/1992 | EP0478098A2 Gas insulated medium voltage switchgear with feed-troughs for realising an external earthing connection |
| 03/24/1992 | US5098318 Electrical contact assembly |
| 03/18/1992 | EP0475011A1 Explosion-proof electrical compact-cabinet |
| 03/17/1992 | US5097382 Circuit device racking mechanism |
| 03/10/1992 | CA1297141C Metalclad switchgear |
| 02/18/1992 | US5089934 Electrical switchgear having an insertable and retractable apparatus rack |
| 12/31/1991 | US5077631 Electrical door interlock system and method |
| 12/18/1991 | EP0461440A2 Disconnecting arrangement for an extensible and retractable power circuit breaker in switchgear apparatus |
| 12/04/1991 | EP0459299A1 Disconnecting arrangement for an extensible and retractable power circuit breaker in switchgear apparatus |
| 10/16/1991 | EP0451531A1 Electric contact arrangement |
| 10/11/1991 | CA2037999A1 Electrical contact arrangement |
| 10/09/1991 | CN1014282B Multiphase circuit breaker for gas-insulated metal cell |
| 10/08/1991 | US5055640 Multi-pin vacuum switch arrangement |
| 09/24/1991 | CA1289607C Draw-in and draw-out mechanism of an electrical circuit breaker with main and auxiliary circuits |
| 08/27/1991 | US5043541 Branch circuit for insertable switch |
| 08/20/1991 | CA1287868C Electrical distribution apparatus having draw-out surge arrester |
| 08/13/1991 | US5039831 Circuit breaker |
| 07/30/1991 | US5036427 Drawout circuit breaker apparatus |
| 07/24/1991 | EP0408730A4 Electrical door interlock system and method |
| 06/19/1991 | EP0432859A1 Contact device for detachably receiving multipole switchgear break contacts |
| 06/05/1991 | EP0430862A1 Electrical switchgear with a withdrawable apparatus-support |
| 05/25/1991 | CA2030654A1 Electrical switchgear having an insertable and retractable apparatus rack |
| 04/11/1991 | DE3932770A1 Switch cabinet appts. carrier displacement mechanism - uses manually operated rotary disc with attached rod acting on counter-bearing for appts. carrier |
| 04/10/1991 | CN1050617A Optical-fiber incorporated longer-sized incorporated subaqueous unit |
| 03/20/1991 | EP0417784A2 Optical-fiber incorporated unterwater cable |
| 03/19/1991 | US5001600 Dead front fuse door |
| 03/07/1991 | WO1991003088A1 Interlock for a plug-in unit |
| 03/07/1991 | DE3928802A1 Actuator for sliding carriage in medium-voltage switchgear - is safeguarded against overwinding by spring-loaded slip coupling with balls lying against taper of cone |
| 02/27/1991 | CN2072284U Electrification railway switch cabinet with electric isolating switch |
| 02/13/1991 | EP0412368A1 Switchboard of breaker accomodation type |