Marine derrick arrangement
Method and apparatus for mounting lift crane on offshore structu
Mobile crane with counterweight and auxiliary counterweight
Mobile crane with main and auxiliary counterweight assemblies
Mobile harbor crane for normal and heavy load operation
Motion compensator and control system for crane
Offshore station articulated boom maintenance unit
Palletizing apparatus
Pipe-laying machine
Self-balancing crane
Semi-submersible crane vessel
Sheave adjustable balance crane
Ship's derrick
Split topping lift gear
Stabilized shipboard crane
Stabilizing arrangements in and for load-bearing apparatus
Stacker-reclaimer including counterbalance weight
Suspended counterweight control system
Suspended load positioning stabilizing system
Tower crane with overbooming protection