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Actuator linkage for mobile derricks and the like

Traversing hoists – Overhead – Cable
Patent

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Adjustable boom for material handling implement

Traversing hoists – Overhead – Cable
Patent

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Adjustable jib crane

Traversing hoists – Overhead – Cable
Patent

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Adjustable load lifting device

Traversing hoists – Overhead – Surface vehicle
Patent

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Anti-lowering device for a boom loader

Traversing hoists – Overhead – Cable
Patent

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Anti-sway system for a spreader suspended from a crane

Traversing hoists – Overhead – Cable
Patent

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Antipendulation crane

Traversing hoists – Overhead – Cable
Patent

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Apparatus and method for transferring a crane boom assembly from

Traversing hoists – Overhead – Cable
Patent

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Apparatus for collecting drippings from a wet load carried by a

Traversing hoists – Overhead – Cable
Patent

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Apparatus for loading ships or barges

Traversing hoists – Overhead – Cable
Patent

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Apparatus for lowering articles from a building

Traversing hoists – Overhead – Cable
Patent

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Apparatus for monitoring and recording the load of a crane with

Traversing hoists – Overhead – Cable
Patent

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Apparatus for offshore handling and running of a BOP stack

Traversing hoists – Overhead – Cable
Patent

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Apparatus for preventing the tilting of telescopic jib cranes

Traversing hoists – Overhead – Cable
Patent

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Apparatus for protecting overhead cables

Traversing hoists – Overhead – Cable
Patent

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Apparatus for raising & lowering a mast and boom on a mobile cra

Traversing hoists – Overhead – Cable
Patent

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Apparatus for suspending and manoeuvring a load

Traversing hoists – Overhead – Self-propelled trolley
Patent

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Apparatus for tarping flatbed trailers

Traversing hoists – Overhead – Self-propelled trolley
Reexamination Certificate

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Apparatus with pivotal latching means for retaining an outrigger

Traversing hoists – Overhead – Cable
Patent

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Aqueous absorption fluids

Traversing hoists – Overhead – Cable
Patent

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