Control method for hydraulic-driven winch and apparatus...
Control system for drawworks operations
Control system for transfer means
Control systems for hydraulically operated elements circuits or
Convertible winch
Conveying device
Cordless hoist
Counterweight assisted winch
Crab pot line hauler
Crane claw tilt sensing and recovery
Crown block compensator
Crown block compensator
Deep submicron MOS transistors with a self-aligned gate electrod
Deepwater king crab pot line hauler
Deepwater subsea lowering/lifting system
Deepwater subsea lowering/lifting system
Deepwater subsea lowering/lifting system
Deployment and recovery system for self deployed...
Deployment and recovery system for self deployed...
Derrick