Matches 101 - 150 out of 182 < 1 2 3 4 >
Match Document Document Title
3272938 Control valve means for air operating electric switch  
3258561 Circuit breaker having improved trip unit  
3254185 Pressure operated circuit breaker with arc extinguisher  
3248504 Connecting switch  
3247338 Actuating system for simultaneously engaging or disengaging the contacts of multiple circuit breakers  
3219771 Metal enclosed switchgear  
3211852 Hydraulic operating mechanism  
3211851 Hydraulic circuit breaker with dual series piston actuation  
3194915 Differential pressure and manually operated safety switch arrangement  
3189718 Compressed-gas circuit interrupter with hydraulic operating means extending upwardly through supporting insulating column means  
3187593 Operating mechanism for circuit breakers  
3185180 Fluid-control valve with automatic fluid latching  
3171937 Arc-extinguishing structure for compressed-gas circuit interrupter  
3171000 Piston operated circuit breaker  
3170055 Latching means for air-blast circuit breaker  
3153131 Switch for large currents with one contact plastically deformable in proportion to current value  
3141942 Control means for air blast circuit breakers  
3138676 Pressure operated circuit-breaker actuating systems  
3134875 Rebound preventing means in air blast circuit breaker  
3133475 Hydraulically-actuated operating mechanism for an electric circuit breaker  
3116381 Circuit-breakers for high voltage provided with a pneumatic driving mechanism  
3105126 Interrupting device employing continuous hydraulic control  
3094601 Operating device for the movable contact of the main braking gap in an air blast circuit breaker  
3089008 Snap-acting switch contact actuating means for compressor governor  
3087035 Fluid operated circuit breaker  
3083277 Phase absence protective device for polyphase circuit breakers  
3076081 Condition-responsive indicating means for an electric circuit breaker  
3075060 Circuit interrupters  
3073924 Circuit breaker operating mechanism  
3073931 Compressed-gas circuit interrupter  
3073932 Pneumatic controls for high-voltage air blast circuit breakers  
3072767 Air blast circuit breakers  
3066207 Liquid-immersed electrical device  
3064093 Hydraulic means for stressing the springs of spring actuated electric switches  
3060294 Circuit interrupter  
3052783 Compressed-gas circuit interrupters  
3047697 Latch-open mechanism for air blast circuit breaker  
3040149 Compressed-gas circuit interrupters  
3036172 Fast acting current switch  
3021410 Device for lowering and raising a movable structure from or to its support  
3014111 Pneumatic operating means for circuit breakers  
3008017 Circuit breaker  
2997563 Circuit interrupters  
2996588 Fluid pressure operated electrical switch assembly  
2988614 High speed reversing switch  
2985739 Circuit breaker  
2978559 Bushing mounted interrupter  
2972337 Hydraulically actuated operating mechanism for an electric circuit breaker  
2972666 Air blast circuit breakers with breaking gaps in compressed air containers carried by insulator pillars  
2970193 Pressure fluid control  
Matches 101 - 150 out of 182 < 1 2 3 4 >