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Arrangement in a hoisting device, especially for a derrick

Implements or apparatus for applying pushing or pulling force – Rack and pinion
Patent

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Arrangement in connection with a yoke in a hoisting system for a

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – With rotatable – cable contacting – pulley wheel element...
Patent

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Arrangement to obtain equal travel of hydraulic cylinders

Implements or apparatus for applying pushing or pulling force – Multiple lifters
Patent

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Arrow head extractor

Implements or apparatus for applying pushing or pulling force – Single throw lever – Special engaging feature
Patent

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Arrowhead puller

Implements or apparatus for applying pushing or pulling force – Single throw lever – Special engaging feature
Patent

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Article separator for materials handling

Implements or apparatus for applying pushing or pulling force – Fluid pressure – Vehicle attached
Patent

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Articulated cable puller

Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – Conduit snakes
Reexamination Certificate

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Articulated flat plate erecting tool

Implements or apparatus for applying pushing or pulling force – Single throw lever and bar – Adjustable
Patent

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Articulated jack

Implements or apparatus for applying pushing or pulling force – Single throw lever – Mechanically actuated
Patent

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Assembly apparatus for nuclear reactors

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

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Assembly for insertion of a draw line in a conduit

Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – By fluid pressure differential in conduit
Reexamination Certificate

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Assembly for pulling a line

Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – Conduit snakes
Patent

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Assembly on a chain sheave/chain-rope system

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent

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Attachment for automatically operating a scissors jack

Implements or apparatus for applying pushing or pulling force – Single throw lever – Mechanically actuated
Patent

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Auto wheels placer

Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
Patent

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Automated rail jack

Implements or apparatus for applying pushing or pulling force – Vehicle attached jack
Reexamination Certificate

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Automatic anti-fall device for manual or motorized lifting syste

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent

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Automatic anti-fall device for power-driven lifting machinery

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

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Automatic braking arrangement for a windlass

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

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Automatic cable stop for towing winch

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent

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