Quick change traveling block

Rack type jacking apparatus

Ratchet type operator for cable winches and the like

Rig skidding system

Rope clamping arrangements for sailboats or other applications

Rope or cable winch

Rotary speed limiter device

Safety catch apparatus for a suspension system

Safety device

Safety line and mechanism

Safety lock for a hoisting mechanism that ascends and descends a

Safety locking mechanism for a mechanical lifting jack

Sea swell compensation

Secondary overspeed brake for cable climber

Self tailing winch

Self-energizing winch brake and drive

Self-locking windlass

Self-tailing winch

Self-tailing winch

Self-tailing winch