LandOfFree - US Patents - Listing for Marine propulsion

Marine propulsion – Oar or paddle – Support

Adjustable rowlock

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

Adjustable steering apparatus for outboard motors

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

Adjustable swim fin

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

Adjustable transom

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

Adjustable trim position system

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas

Adjustable variable vent opening plugs for engine exhaust

Marine propulsion – Screw propeller – Variable pitch

Adjustable-pitch propeller, especially for sport boats

Marine propulsion – Screw propeller – Variable pitch

Adjusting mechanism for variable pitch watercraft propellers

Marine propulsion – Jet drive

Advanced steering and propulsion system for ships

Marine propulsion – Means for accomodating or moving engine fluids – Cooling for engine

Aftermarket supercharger for personal watercraft

Marine propulsion – Screw propeller – Having transmission

Ahead/astern shifting device for marine propulsion unit

Marine propulsion – Jet drive

Air aspiration prevention pan

Marine propulsion – Air propelled boat

Air boat

Marine propulsion – Air propelled boat

Air boat slime plow and methods of use

Marine propulsion – Self-propelled vehicle having land and water propulsion means

Air boat with retractable wheels for ground and water travel

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas

Air cooled marine engine exhaust

Marine propulsion – Screw propeller – Having means to control flow around propeller

Air encircling marine propeller apparatus

Marine propulsion – Screw propeller – Having means to control flow around propeller

Air encircling marine propulsion apparatus

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas

Air exhaust by-pass for underwater exhaust systems