LandOfFree - US Patents - Listing for Marine propulsion

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

Underwater exhaust system for boats of stepped-hull construction

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

Underwater exhaust system for marine engine

Marine propulsion – Oscillating propelling means – Fishtail motion propelling means

Underwater propelling apparatus which stably carries out a...

Marine propulsion – Screw propeller – Shafting

Underwater propulsion apparatus performance enhancement...

Marine propulsion – Screw propeller – Shafting

Underwater propulsion apparatus performance enhancement...

Marine propulsion – Electric drive for propelling means

Underwater propulsion method and apparatus

Marine propulsion – Electric drive for propelling means

Underwater propulsive device

Marine propulsion – Screw propeller – Propeller guard

Underwater protective system to inhibit marine growth

Marine propulsion – Jet drive

Underwater sound and bubbles for powered watercraft

Marine propulsion – Towing

Underwater towing of marine vessels

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

Underwater vehicle porting system

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

Unicycle for operation in water

Marine propulsion – Electric drive for propelling means

Unitary inboard electric marine propulsion system

Marine propulsion – Oar or paddle – Support

Universal kayak accessory paddle mounting bracket

Marine propulsion – Oar or paddle

Universal kayak/canoe paddle

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

Universal marine drive apparatus and uses thereof

Marine propulsion – Screw propeller – Propulsion unit casing

Universal nose cone and method for profiling same

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

Universal platform for human powered floatation devices

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

Universal tiller handle with shift and throttle