Adjustably submersible breakwater

Air bubble lubricated boat hull

Amphibious air cushion vehicle

Amphibious air track vehicle

Amphibious vehicle

Anchorage of floating structures

Anchored marine fluid transfer buoy

Anti-cavitation shroud and rudder

Apparatus facilitating removal of a kort rudder ring on a marine

Apparatus for and method of interconnecting and controlling unit

Apparatus for and method of loading loose granular material from

Apparatus for ice disaggregation

Apparatus for launching battered leg jackets for offshore platfo

Apparatus for mounting and dismounting a submerged propeller uni

Apparatus for protecting bridge pillars

Apparatus for stabilizing underwater devices

Apparatus for use in replacing broken guidelines

Arctic drilling base

Arrangement for hauling up, launching and storing of boats and t

Attachment for motor vehicles with rear windows