Attitude control devices for stern drive power boats

Automatic control system for hydrofoil craft

Automatic inflating boat flotation device

Automatic inflating watercraft flotation device

Automatic roughneck

Automatically energizable lifesaving equipment

Automatically surfacing marker buoy for lobster or crab traps or

Autonomous container ship

Autonomous container ship

Autonomous container ship with hull incorporating a...

Autonomous swimming cargo containers

Autonomous swimming cargo containers

Auxiliary flotation gear for fishing boats

Auxiliary steering control for electric trolling motor

Balanced torsional deflection of flexible shafts in either direc

Balcony arrangement for a ship

Ballast tank internal gas controlling type tanker

Ballast water treatment

Ballast-cargo grid system for tankers

Barge and walkway connection system