Patent 7594834 was granted and assigned to Honda on September, 2009 by the United States Patent and Trademark Office.
A marine propulsion apparatus includes an anti-cavitation plate on a casing that supports a propeller. A lift generation plate, which generates lift during propulsion, is disposed at a position rearward of the casing and above the anti-cavitation plate and extends in a width direction of a hull. The lift generation plate is mounted on the casing via a stay.