Advantageous use of battery mass in electric watercraft
Air bearing pontoon system for shipping containers
Amphibious all-terrain tracklaying vehicle
Amphibious multihull boat
Amphibious vehicle
Apparatus for attaching a pontoon to a watercraft
Apparatus for controlling the buoyancy and draft of a vessel
Apparatus for reconfiguration of a variable-draft vessel
Aquatic show boat
Aquatic vehicle
Arrangement for jointing two surfboards as a whole
Articulated multi-hull water craft
Asymmetric pontoons for a water craft
Asymmetrical sailing catamaran keels