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Davit fall recovery method and system

Traversing hoists – Overhead – Cable
Patent

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Deepwater extended hook travel attachment

Traversing hoists – Having counterweight or counterbalancing means – Counterweight movable relative to load support
Patent

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Deflection reduction module for boom hoist cylinder of mobile cr

Traversing hoists – Having means facilitating assembly or disassembly – Of traversing hoist from support
Patent

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Demountable gantry, boom hoist and counterweight

Traversing hoists – Overhead – Cable
Patent

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Deployment/retrieval system

Traversing hoists – Miscellaneous
Patent

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Derrick crane

Traversing hoists – Having horizontally swinging boom or bridge – And vertically swinging
Patent

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Derrick crane

Traversing hoists – Adjustable to transport or nonuse position – Collapsible or foldable boom
Reexamination Certificate

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Derrick crane with wide horizontal swinging range of boom

Traversing hoists – Overhead – Cable
Patent

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Derrick structure

Traversing hoists – Having random condition sensor combined with an indicator or... – Sensor regulates counterweight or counterbalancing means
Patent

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Detachable floating counterweight

Traversing hoists – Having means facilitating assembly or disassembly – Of counterweight from hoist
Patent

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Device and method for arresting sections of a telescopic jib

Traversing hoists – Boom position lock
Patent

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Device and method for transporting a load by cable

Traversing hoists – With haul-in line
Patent

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Device for controlling the boom elevation of a side crane

Traversing hoists – Overhead – Cable
Patent

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Device for controlling the transfer of a load suspended by cable

Traversing hoists – Having means to prevent or dampen load oscillations – Antisway
Patent

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Device for demountable assembly of the jib elements of a...

Traversing hoists – Having means facilitating assembly or disassembly – Of boom sections
Reexamination Certificate

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Device for determining a load on a hoist

Traversing hoists – Having random condition sensor combined with an indicator or... – Means determining overloading produced by load
Reexamination Certificate

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Device for folding a crane jib with nesting elements

Traversing hoists – Adjustable to transport or nonuse position – Collapsible or foldable boom
Reexamination Certificate

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Device for guiding a telescopic part for a telescopic boom

Traversing hoists – Boom or mast – Extensible by sliding sections
Patent

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Device for lifting crane boom

Traversing hoists – Having horizontally swinging boom or bridge – And vertically swinging
Patent

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Device for locking slewing portion of cargo crane

Traversing hoists – Having horizontally swinging boom or bridge – Having trolley thereon
Patent

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