Jet propelled surfboard
Lateral thrust drive for watercraft
Linear actuator for flapping hydrofoil
Linear propulsor with linear motion
Linear propulsor with radial motion
Man-powered boat propulsion device
Marine propulsion unit
Method and device for propulsion of vessels
Method of using a linear propulsor array for propulsion and...
Naval propulsion system fed by refuse derived fuel and...
Oar with pivotal blades
Oscillating appendage for fin propulsion
Oscillating-foil type underwater propulsor with a joint
Propulsion device for a watercraft
Propulsion device for small boats
Propulsion mechanism employing flapping foils
Propulsion mechanism for a boat
Propulsion system
Pulsating impeller
Reciprocating marine propulsion engine