Object rotating, lifting and storage system
Obstacle crossing apparatus for directing cable
Obstacle detector for a descending or ascending load
Ocean bottom cable handling system and method of using same
Oceanographic apparatus
Off-road snow jack
Off-road vehicle fairlead assembly for fibre-optic communication
Off-shore drilling platform and method of mounting
Offset wheel bracket assembly
Offshore crane wave motion compensation apparatus
Offshore drilling platform with vertically movable legs
Oil derrick string-up apparatus and methods
Oil well service rig
On-vehicle spring compressor tool
One man lift for motorcycles
One piece load rest
One step, ready-to-tuft, mock space-dyed multifilament yarn
One-handed cam action fish tape puller
One-way winch brake
Open end construction for jack