Method and apparatus to increase the velocity of sailing vessels
Personal watercraft center keel
Retractable wing keel for sailboats
Roll motion damping device for a floating body
Rudder tab for suppression of tip vortex cavitation
Sailboat control apparatus
Sailboat keel
Sailboat keel apparatus
Sailboat keel having a cantilevered trailing edge flap
Sailboat keel hoist assembly
Sailboat keel with a rotatable secondary foil
Sailboat rotatable keel appendage
Sailboat with leeway reducing keel
Sailing craft keel and rudder flow modifiers
Self activating keel
Slidable and impact absorbing keel
Sliding keel sailboat with a hull with reduced rolling
Split-hinged, winged, self-cradling shallow draft keel for saili
Steerable keel
Tandem winch reels