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Device for lifting loads, especially heavy loads, in a stepwise

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

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Device for lowering a load, for example a diving bell from a ves

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

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Device for moving large and heavy loads

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

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Device for the braking of towing cables in tow-type ski lifts

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

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Device in rope hoists for limiting speed when lowering a load

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

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Double fingered bumper jack body

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

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Double-drum winch

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

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Double-drum winch

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

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Drawworks control apparatus

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

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Drill rig hoist

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

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Drill spring tension limiting device for floating drilling vesse

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

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Drill string heave compensator and latching apparatus

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

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Drive mechanism for a line-pulling apparatus

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