| Patents for H02B 11 - Switchgear having carriage withdrawable for isolation (5,238) |
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| 01/17/1984 | CA1160664A1 Electrical junction of high conductivity for a circuit breaker or other electrical apparatus |
| 01/11/1984 | EP0097951A2 Metal-clad switchgear |
| 01/03/1984 | US4424490 High voltage probe for gas insulated high voltage switching insulation |
| 01/03/1984 | US4424425 Circuit breaker compartment shield assembly |
| 12/21/1983 | EP0096652A2 Fire damp-proof switchgear with a bus bar duct |
| 11/22/1983 | US4417108 Switchgear shutter |
| 11/02/1983 | EP0092774A2 Switch board |
| 10/25/1983 | US4412112 Drawer-type circuit breaker |
| 09/20/1983 | CA1154062A1 Electrical switchboard having improved drawout apparatus |
| 07/26/1983 | US4395602 Isolation shield for circuit breaker compartment secondary disconnects |
| 05/31/1983 | US4386246 Shield assembly for 800 to 1600 ampere circuit breaker compartments |
| 05/31/1983 | CA1147446A1 Static trip unit for molded case circuit breakers |
| 05/17/1983 | US4384179 Stiff flexible connector for a circuit breaker or other electrical apparatus |
| 04/19/1983 | CA1144961A1 Trip interlock for static trip circuit breakers |
| 03/08/1983 | US4376235 Electrical junction of high conductivity for a circuit breaker or other electrical apparatus |
| 02/08/1983 | CA1141016A1 Control center with ground bus bar |
| 02/08/1983 | CA1141015A1 Control center with neutral bus bar |
| 11/10/1982 | EP0064184A2 Drawer-type circuit breaker arrangement |
| 11/09/1982 | CA1135389A1 Metal clad switchgear |
| 11/03/1982 | EP0063703A2 Terminal connecting device for pulling-type breaker |
| 10/12/1982 | US4354154 Measuring transformer for high-voltage switch-gear with metal encapsulation |
| 10/12/1982 | CA1133551A1 Drawout switchgear with blow-out prevention device |
| 09/29/1982 | EP0061129A1 Shutter device for metal-enclosed switchgear |
| 09/15/1982 | EP0060058A1 Switch gear with stab-positioning system |
| 08/25/1982 | EP0058519A2 Electrical junction of high conductivity for a circuit breaker or other electrical apparatus |
| 07/13/1982 | CA1127692A1 Composite groundable barrier for switchgear and grounding apparatus |
| 07/13/1982 | CA1127691A1 Drawout switchgear with telescoping cam shaft |
| 06/01/1982 | CA1124770A1 Fuse mounting |
| 05/25/1982 | CA1124291A1 Composite groundable barrier for switchgear |
| 04/06/1982 | CA1121421A1 Telescoping disconnect switch with high current contact system |
| 03/24/1982 | EP0048042A2 Safety device for spring-controlled circuit breakers which are movable in a housing cubicle |
| 02/24/1982 | EP0046303A2 Disconnect contact assembly |
| 02/23/1982 | US4317160 Electrical switchboard having improved drawout apparatus |
| 02/10/1982 | EP0045715A2 High-voltage metal-clad gas-insulated equipment |
| 02/10/1982 | EP0045545A2 Device for displacing an electric switch in its cupboard |
| 02/09/1982 | US4315122 Contact arrangement |
| 02/09/1982 | US4315115 Drawout circuit interrupter |
| 12/22/1981 | CA1114869A1 Switch operator uncoupling mechanism |
| 11/10/1981 | US4300110 Trip interlock for static trip circuit breakers |
| 10/13/1981 | CA1110681A1 Draw out circuit breaker assembly |
| 08/18/1981 | US4285026 Parallel plane shutter for LK breaker |
| 08/04/1981 | CA1106427A1 Cable connected drawout switchgear |
| 07/28/1981 | US4281359 Static trip unit for molded case circuit breakers |
| 07/28/1981 | US4281227 Drawout switchgear with blow-out prevention device |
| 07/08/1981 | EP0031597A2 Pull-out switching unit |
| 06/30/1981 | CA1104181A1 Compact racking mechanism for circuit breaker |
| 06/17/1981 | EP0030489A1 Factory-made medium voltage electrical cell and process for assembling it |
| 06/16/1981 | CA1103292A1 Automatic fail-safe mechanism-operated cell switch for metal-clad switchgear |
| 06/09/1981 | US4272798 Composite groundable barrier for switchgear and grounding apparatus |
| 06/02/1981 | CA1102381A1 Current transformer secondary disconnect and shorting switch for a draw-out type switchgear |
| 05/26/1981 | US4269285 Lifting apparatus for electrical switchboards |
| 04/14/1981 | US4262175 Drawout switchgear with telescoping cam shaft |
| 03/24/1981 | US4258410 High voltage distribution system with movable voltage measuring transformer |
| 02/10/1981 | US4250357 Fuse mounting |
| 01/07/1981 | EP0022115A1 Compact electrical switching device |
| 11/25/1980 | US4236189 Enclosed switchboard |
| 11/18/1980 | CA1089969A1 Tubular conductor for metal clad switchgear |
| 11/11/1980 | US4233643 Electrical power switching apparatus with sliding fuse drawer and interlock system |
| 11/04/1980 | CA1089070A1 High voltage motor starter enclosure |
| 08/19/1980 | CA1084092A1 High current electrical joint apparatus |
| 08/05/1980 | US4216521 Composite groundable barrier for switchgear |
| 07/22/1980 | US4214291 Explosion-proof switchgear apparatus |
| 07/15/1980 | CA1081748A1 Contact structure for drawout switchgear |
| 06/24/1980 | US4209676 Compact racking mechanism for circuit breaker |
| 06/24/1980 | US4208785 Method of making electrical heater construction |
| 06/10/1980 | CA1079335A1 Handle mechanism for an electric power distribution control centre |
| 06/10/1980 | CA1079334A1 Drawout switchgear with levering-in mechanism |
| 06/10/1980 | CA1079333A1 Retractable secondary contacts for drawout switchgear |
| 05/28/1980 | EP0011590A1 Fully isolated metal-encapsulated high voltage switchgear with unipolar current transformers |
| 05/27/1980 | US4205207 Draw out circuit breaker assembly |
| 05/06/1980 | US4202028 Ground and test apparatus with indicia means |
| 05/06/1980 | US4202027 Circuit breaker drawout with engaged position latch |
| 05/06/1980 | CA1077100A1 Disconnect contact assembly for metal-clad switchgear and the like |
| 05/06/1980 | CA1077099A1 Switchboard drawout apparatus incorporating joint clamping mechanism |
| 04/15/1980 | CA1075745A1 Drawout apparatus having improved trip interlock |
| 04/01/1980 | CA1074839A1 Circuit breaker racking mechanism for drawout type switchgear |
| 03/19/1980 | EP0008821A1 Metal clad switchgear |
| 03/19/1980 | EP0008817A1 Metal clad three phase switchgear |
| 02/26/1980 | US4190755 Switch operator uncoupling mechanism |
| 02/19/1980 | CA1072161A1 High current electrical joint apparatus |
| 02/12/1980 | US4188516 Telescoping disconnect switch with high current contact system |
| 01/15/1980 | US4184191 Enclosed switchboards with insulation test contact member |
| 01/08/1980 | US4183073 Shutter for disconnect contacts of circuit breaker cubicle |
| 12/11/1979 | US4178624 Control center with insulated bus bars |
| 11/27/1979 | US4176262 Automatic fail-safe mechanism-operated cell switch for metal-clad switchgear |
| 11/20/1979 | CA1066796A1 Switch cabinet for equipment modules |
| 11/20/1979 | CA1066795A1 Switch cabinet with drawer-type panels |
| 11/06/1979 | CA1065938A1 Vertical bus bars for motor control center |
| 10/23/1979 | US4172271 Fusible circuit interrupter with ground fault circuit protection |
| 07/10/1979 | CA1058261A1 Draw-out type circuit interrupter with modular construction |
| 06/12/1979 | CA1056472A1 Contact clamps for movable drawer |
| 05/15/1979 | US4154993 Cable connected drawout switchgear |
| 04/24/1979 | US4151576 Transformer secondary disconnect and shorting switch |
| 04/24/1979 | CA1053302A1 Enclosed circuit interrupter with improved fuse assembly |
| 04/10/1979 | CA1052424A1 High voltage contactor with modular type housing |
| 03/27/1979 | US4146915 Shutter mechanism for an enclosed electrical switchboard |
| 03/20/1979 | CA1051071A1 Enclosed circuit interrupter with interlocked safety barrier |
| 03/13/1979 | CA1050593A1 Vacuum interrupter metal-clad switchgear |
| 02/13/1979 | US4139748 Secondary contacts for drawout switchgear |
| 02/06/1979 | CA1048090A1 Circuit breaker protective shutter and current transformer apparatus |