Hoist load brake
Hoist or winch mechanism adapted for multiple variable rigging
Hoist system
Hoist with load brake having release mechanism therefor
Hoist with load limiting device
Hoisting gear
Hydraulic chain jack automatic latch control system
Hydraulic jacks
Hydraulic motion compensating apparatus
Hydraulic well derrick with cable lifts
Hydraulic winch for shipboard use
In-post tennis net tightener
Jack bar quick release
Jack bar with extendable tubes and fixturing mechanism
Jack-up platform apparatus
Jacking apparatus
Jacking apparatus
Jacking apparatus
Jacking apparatus
Jacking apparatus adjustable for alignment variations