Crane with gantry backhitch and boom hoist assembly removable as

Crane with left cylinder and journal lock and release device

Crane with removable superstructure

Cranes

Cranes with look independent of sheave block

Cross tube construction

Cylinder attachment means for an excavator and method for using

Davit fall recovery method and system

Demountable gantry, boom hoist and counterweight

Derrick crane with wide horizontal swinging range of boom

Device for controlling the boom elevation of a side crane

Device for removing coke oven chamber door

Device for the purpose of preventing a body depending from ropes

Devices for erecting a building from prefabricated sections

Devices for transferring heavy loads at sea

Double slewing crane construction

Drum carriage for logging operations

Drum roller dispenser for dry particles, particularly...

Dual-purpose skyline log-yarding carriage

Electric motor driven traversing balancer hoist