|
US3195089A
|
|
High voltage transformer with enhanced high frequency band-pass characteristics
|
|
US3201551A
|
|
Air-magnetic type circuit interrupter having planar blowout coils and primary conductor mounted puffer means
|
|
US3157850A
|
|
Magnetic cores
|
|
US3006572A
|
|
Belt wrapper for magnetic cores
|
|
US2993146A
|
|
Transformer lightning arrester system
|
|
US2953628A
|
|
High-voltage bushing
|
|
US3078053A
|
|
Electrical core loop winding apparatus
|
|
US3011012A
|
|
Shielded electrical leads
|
|
US3049793A
|
|
Manufacture of magnetic cores
|
|
US3066388A
|
|
Methods for making magnetic cores
|
|
US2905891A
|
|
Electrical testing apparatus
|
|
US3066207A
|
|
Liquid-immersed electrical device
|
|
US3093889A
|
|
Electrical core loop fabrication
|
|
US2897892A
|
|
Adjustable cutting dies
|
|
US2906976A
|
|
Constant current transformers
|
|
US2830254A
|
|
Current divider circuit for high current tap changing under load mechanism
|
|
US2811217A
|
|
Baffled header manifold for cooling systems of transformers
|
|
US2911603A
|
|
Three-phase cores for electrical induction apparatus
|
|
US2804600A
|
|
Cores for electrical induction apparatus
|
|
US2771717A
|
|
Core cutting machines
|
