4. Electricity: circuit makers and breakers
  5. Liquid contact
  6. Time delay

Edmund R. Koval

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Control station switch

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

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Hoist electric brake with shading coil

Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent

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Hook load pin retention system

Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent

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Profile ID: LFUS-PAI-P-1100628

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