| Patents for H02B 3 - Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear (3,442) |
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| 08/08/1990 | CA2026985A1 Electrical door interlock system and method |
| 06/13/1990 | DE3841172A1 Insulating rod for lubricant-wetting of electromechanical components of switching devices (switchgear) in electrical switching installations |
| 09/13/1989 | EP0331971A1 Method of cleaning electrical and electronic components or apparatuses |
| 08/22/1989 | US4860161 Enclosed switchboard |
| 07/05/1989 | CN1033715A Technique and equipment of oil treatment in electric system |
| 05/03/1989 | DE3835352A1 Power control system |
| 08/31/1988 | CN87204790U Detector of low-voltage feeding switch for movable transformer substation |
| 08/24/1988 | EP0278984A1 Closed switchboard |
| 04/27/1988 | CN87203380U Knife-break type load cutter |
| 04/20/1988 | CN86207122U Multi-purpose insulated operating rod |
| 02/11/1988 | WO1988001107A1 Closed switchboard |
| 01/28/1988 | DE3624309A1 Rack panel manipulator for electrical and electronic installations (systems) |
| 10/20/1987 | US4700491 Color-coded ruler for three-phase wiring |
| 06/02/1987 | CA1222538A1 Switchgear with stab-positioning system |
| 03/17/1987 | US4651255 Connecting system for gas-insulated switchgear apparatus |
| 01/28/1987 | CN86203842U Live-wire cleaning machine for superpressure plant |
| 08/26/1986 | US4608621 Transport apparatus for electrical equipment |
| 08/12/1986 | US4605131 Utility table for attachment to a vertical wall, particularly of a switch cabinet |
| 03/11/1986 | US4574460 Method of releasably securing a stator, method of releasably securing a clamping device, method of adjusting a wedge angle, clamping device, and wedge device |
| 01/15/1986 | EP0168320A2 Gas insulated switchgear apparatus |
| 06/25/1985 | US4525006 Electrical disconnect tool |
| 04/30/1985 | US4514783 Encapsulated, compressed-gas-insulated, high-voltage switching installation |
| 10/17/1984 | EP0121889A2 Wall table, especially for a switchgear cabinet |
| 10/09/1984 | CA1175925A1 Electrical wiring system |
| 01/11/1984 | EP0098064A1 A method of transporting and positioning a load |
| 08/24/1983 | EP0086734A2 Gas insulated metal clad high-voltage installation |
| 08/24/1983 | EP0086733A2 Process for the maintenance, mounting or repairing of a mono- or poly-phase high-voltage gas isolated metal clad line or installation |
| 09/15/1982 | EP0060058A1 Switch gear with stab-positioning system |
| 12/08/1981 | US4305114 Motor control center |
| 11/10/1981 | CA1112338A1 Battery-powered wire wrapping tool and wrapping bit |
| 04/14/1981 | US4262323 Gas insulated electrical apparatus |
| 02/03/1981 | US4249227 Enclosed switchboard having instruments needed for regular inspection and operation mounted on a middle level door |
| 10/30/1979 | CA1065462A1 Method for maintaining the positioning of electrical elements within a container |
| 05/08/1979 | CA1054182A1 Fuse handling tool |
| 06/27/1978 | US4096628 Method for maintaining the positioning of electrical elements within a container |
| 10/11/1977 | US4052788 Tool for removing a snap-in bushing from a mounting panel hole |
| 09/27/1977 | US4050148 Snap-in bushing switch removal tool |
| 04/05/1977 | US4016382 Travelling switching block for metallic encapsulated high voltage switching installation |
| 12/28/1976 | US4000442 Vehicle lightning protection device |
| 06/15/1976 | US3962770 Elbow puller |
| 04/20/1976 | US3951015 Fuse handling tool |
| 02/17/1976 | US3939410 Arrangement for testing metal-clad, high-voltage installations |