Hook lock for traveling block

Hook-mounted vertical motion compensation apparatus

Hooks

Horizontal handling arm

Horizontal load positioner

Hose control system

Hydraulic actuated grab bucket

Hydraulic auxiliary hoist and crane control for high...

Hydraulic control and drive system for amphibious vehicle...

Hydraulic control valve circuit

Hydraulic crane

Hydraulic crane mechanism operable to provide enlarged...

Hydraulic motors for actuating and controlling an anti-swing...

Hydraulic snubber for grapple and method

Hydraulic system for swinging a crane boom

Hydraulic turntable

Hydraulically actuated gripping device for grasping, moving,...

Hydraulically operated cranes

Hydraulically operated hoisting apparatus for a ship for...