LandOfFree - US Patents - Listing for Traversing hoists

Traversing hoists – Having horizontally swinging boom or bridge – Having fluid ram directly actuating load cable or sheave...

Directional control system for a gantry type crane

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

Directional indicating device for detecting improper orientation

Traversing hoists – Miscellaneous

Dismounting device for heavy load hoisting member

Traversing hoists – With haul-in line

Displacement apparatus

Traversing hoists – Traveling bridge – Bridge mounted motor for load lifting

Dockside container handling crane with high speed hoist system

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

Dolly equipped with loading-unloading scissor hoist

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

Dolly with detachable boom

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

Double center luffing crane

Traversing hoists – Having vertically swinging boom – And compensating means to maintain horizontal movement of load

Double link level luffing crane

Double slewing crane construction

Traversing hoists – Having horizontally swinging boom or bridge – And means to swing boom horizontally

Dragline modular swing drive unit

Traversing hoists – Having horizontally swinging boom or bridge – And means to swing boom horizontally

Dragline rotating frame structure

Drum carriage for logging operations

Reexamination Certificate

Drum roller dispenser for dry particles, particularly...

Reexamination Certificate

Traversing hoists – With haul-in line

Drum rotation indicator

Traversing hoists – Traveling bridge – Having vertical supporting legs

Dual beam header connector plate

Traversing hoists – With motor control – Remote control or at dual control positions

Dual control for vehicular cranes

Traversing hoists – Having random condition sensor combined with an indicator or... – Hoisting stops upon load being raised to a predetermined...

Dual weight assembly for a crane

Dual-purpose skyline log-yarding carriage