LandOfFree - US Patents - Listing for Marine propulsion

Marine propulsion – Means to control the supply of energy responsive to a sensed...

Warning device for a watercraft provided with a plurality of mar

Marine propulsion – Means to control the supply of energy responsive to a sensed...

Warning device for a watercraft provided with a plurality of mar

Marine propulsion – Means to control the supply of energy responsive to a sensed...

Warning device for marine engines for small craft

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

Water apparatus

Marine propulsion – Operator powered drive for propelling means

Water bicycle

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

Water bicycle

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

Water bicycle

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

Water bicycle

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

Water bicycle and detachable device therefor

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

Water cooled electric fuel pump for marine propulsion

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

Water cooled, four-cycle internal combustion engine for outboard

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

Water cooling system for a marine propulsion unit

Marine propulsion – Operator powered drive for propelling means – Rocking watercraft

Water craft

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

Water craft and method for removing weeds and pollutants from na

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

Water craft apparatus

Marine propulsion – Oar or paddle

Water craft paddle device for one-arm use

Marine propulsion – Oscillating propelling means – Fishtail motion propelling means

Water craft propelled by a double-flipper device actuated by...

Marine propulsion – Paddle wheel

Water craft with a hydrofoil-bladed wheel assembly

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

Water craft with guide fins