Method for limiting movement of a boom

Method of damping the sway of the load of a crane

Methods of and system for swing damping movement of suspended ob

Mobile engine hoist and rebuild stand assembly

Mounting for an outrigger cylinder on a crane

Multi-section telescopic jibs

Multiple-cable lifting head with load weighing mechanism for aer

Optical digital sensor for crane operating aid

Outrigger system for vehicles

Overhead gantry

Overhoist prevention system

Overload protection system for a crane

Overturning-preventing device for crane trucks and similar machi

Pedestal crane

Pivot ring

Portable hydraulic crane

Portal crane

Positive grip lifting mechanism

Procedure for the control of a crane

Propulsion means for hoisting systems