Mobile roof crane
Movable sheave assembly for a crane
Multiple pedestal ring for ringer crane
Multiple position wire rope guide
Outrigger assembly for support of mobile cranes, excavators...
Pendant-supported telescoping boom crane
Portable and towable lift mechanism
Portable crane
Portable hoisting system
Portable lifting frame
Procedure for descent of equipment to bottom of sea
Railborne mobile crane with an auxiliary car coupled to the cran
Re-configurable crane carrier
Ring lift crane
Ring lifting crane
Ringlift crane
Self-propelled boom with extendible axles
Supporting bracket for mobile machine tools
Telescopic boom
Telescopic boom of a crane