Safety locking device for a lifting hook

Safety mounting for side stowable boom extension or jib

Scab line carriage system method and apparatus

Scab line carriage system method and apparatus

Screw lamp extractor and replacer

Screw-type lifting clamp

Scrub crusher

Sea crane tiedown

Self-adjusting slide block for telescopic crane jibs

Self-adjusting transformer sling

Self-aligning and end fixity connector for connecting a...

Self-aligning grapple swivel

Self-cinching cargo sling

Self-cinching lifting sling and a method for manufacturing...

Self-closing lift hook

Self-erecting mast and boom

Self-powered lift apparatus

Self-propelled pedestrian-controlled tractor for towing...

Self-releasing lift hook

Self-storing outrigger float assembly