Rail mounted cranes

Remote-control device for a crane

Remote-control device for a crane

Rotary tower crane

Safe load indicator

Safety apparatus for construction equipment

Safety apparatus for cranes

Safety device for crane

Safety system for hydraulically controlled hoisting apparatus

Safety system for use in association with material handling equi

Scaffold mounted hoist

Self balancing electric hoist

Self balancing electric hoist

Sensing device for indicating improper orientation of a hoist li

Stabilizing device

Structure for damping the oscillation of building cranes

Suspension type transporter for a bolt drawing machine and posit

Sway control arrangement for hoist systems

Swivel for use in cranes and the like

System for learning control commands to robotically move a load,