LandOfFree - US Patents - Listing for Marine propulsion

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

Raising and lowering aid for trolling motors

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

Rapid cooling system for liquid-cooled engines

Marine propulsion – Miscellaneous

Rear light for a motor boat propeller to facilitate safe...

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

Recess flow plate for a boat hull

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

Recessed trolling motor mounting

Marine propulsion – Jet drive

Rechargeable open cycle underwater propulsion system

Marine propulsion – Oscillating propelling means – Having nonpropelling cycle segment

Reciprocating marine propulsion engine

Marine propulsion – Engine – motor – or transmission control means

Recoil starter lock and neutral gear throttle limit for marine d

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

Recreational boat having twin electric trolling motors

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm

Recreational water craft

Marine propulsion – Oscillating propelling means – Fishtail motion propelling means

Recreational water craft

Marine propulsion – Paddle wheel

Recreational watercraft

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm

Recreational watercraft

Marine propulsion – Operator powered drive for propelling means

Recreational watercraft with hydrofoil

Marine propulsion – Oar or paddle – Support

Recumbent quadrimanual forward-rowing device

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

Reduced pressure mixing device for marine vessel exhaust gas

Marine propulsion – Engine – motor – or transmission control means – For transmission

Redundant marine engine control system

Marine propulsion – Screw propeller

Reflective propeller safety cover

Marine propulsion – Wave powered propelling means

Regenerative surfing