Active flap steering system

Actuation means for marine propulsion device transmission

Adaptor plate mounting system for marine jet propulsion unit

Additional drive system by diverting a fluid flow

Adjustable boat stabilizer

Adjustable mast step

Adjustable position steering

Adjustable propeller for marine vessel drive

Adjustable rowing shoe device

Adjustable steering column

Adjuster system for sailboard booms

Advanced steering and propulsion system for ships

Advantageous use of battery mass in electric watercraft

Aide au nageur

Air aspiration prevention pan

Air bubble assist for working ships

Air envelope and shaping elements used to shape sails

Air intake structure for a small vessel

Air intake structure for small watercraft

Air thrust propulsion boat-drive train